IS0: Indicator Section

Standard

octet(s)	content	value	meaning	notes
1-4	"grib" definition	71, 82, 73, 76	'GRIB'	Coded according to the International Alphabet Number 5
5-6	reserved
7	discipline	0	meteorological
8	grib edition number	2
9	total length of grib message in octets	varies

IS1: Identification Section

Standard

octet(s)	content	value	meaning
1-4	length of section in octets	21
5	section number	1
6	ID of originating center	7	National Weather Service - NCEP
8	ID of origin sub-center	14	MDL
10	GRIB master tables version number	1
11	GRIB local tables' version number	0
12	significance of reference time	1	start of forecast
13-14	Year	varies
15	Month	varies
16	Day	varies
17	Hour	0
18	Minute	0
19	Second	0
20	Production Status of Processed data in the GRIB message	0	operational product
21	Type of processed data in this GRIB message	1	forecast products

tstm03

octet(s)	content	value	meaning
1-4	length of section in octets	21
5	section number	1
6	ID of originating center	7	National Weather Service - NCEP
8	ID of origin sub-center	9	Storm Prediction Center
10	GRIB master tables version number	2
11	GRIB local tables' version number	1
12	significance of reference time	1	start of forecast
13-14	Year	varies
15	Month	varies
16	Day	varies
17	Hour	0
18	Minute	0
19	Second	0
20	Production Status of Processed data in the GRIB message	1	operational test product
21	Type of processed data in this GRIB message	1	forecast products

spc_svr

octet(s)	content	value	meaning
1-4	length of section in octets	21
5	section number	1
6	ID of originating center	7	National Weather Service - NCEP
8	ID of origin sub-center	9	Storm Prediction Center
10	GRIB master tables version number	1
11	GRIB local tables' version number	1
12	significance of reference time	1	start of forecast
13-14	Year	varies
15	Month	varies
16	Day	varies
17	Hour	0
18	Minute	0
19	Second	0
20	Production Status of Processed data in the GRIB message	1	operational product
21	Type of processed data in this GRIB message	1	forecast products

IS2: Local Use Section

This section is not used by NBM products at this time. All octet values=0

IS3: Grid Definition Section

CONUS

octet(s)	content	value	meaning	notes
1-4	Length of the section	81
5	section number	3
6	Source of grid definition	0		Specified in Code - oct 3.13
7-10	Number of data points	3744965
11	Number of octets for optional list of numbers defining number of points	0	grid is regular; no appended data
12	Interpretation of list of numbers defining number of points	0	There is no appended list
13-14	Grid definition template number	30	Lambert Conformal	Can be Secant, Tangent, Conical, or Bipolar;
15	Shape of the Earth	1	Earth assumed spherical with radius specified (in m) by data producer
16	Scale factor of radius of spherical Earth	0
17-20	Scale value of radius of spherical Earth	6371200
21	Scale factor of major axis of oblate spheroid Earth	255
22-25	Scaled value of major axis of oblate spheroid Earth	255
26	Scale factor of minor axis of oblate spheroid Earth	255
27-30	Scaled value of minor axis of oblate spheroid Earth	255
31-34	Nx ― number of points along the x-axis	2345
35-38	Ny — number of points along the y-axis	1597
39-42	La1― latitude of first grid point	19229000
43-46	Lo1― longitude of first grid point	233723400
47	Resolution and component flags	48	i direction increments given; j direction increments given; Resolved u and v components of vector quantities relative to easterly and northerly directions	convert value to binary to read in table 3.3 (48 = 00110000)
48-51	LaD ― latitude where Dx and Dy are specified	25000000
52-55	LoV ― longitude of meridian parallel to y-axis along which latitude increases as the y-coordinate increases	265000000
56-59	Dx ― x-direction grid length	2539703		Grid length is in units of 10-3 m at the latitude specified by LaD
60-63	Dy ― y-direction grid length	2539703		Grid length is in units of 10-3 m at the latitude specified by LaD
64	Projection centre flag	0	North Pole is on the projection plane; Only one projection center is used	convert value to binary to read in table 3.5 (0 = 00000000)
65	Scanning mode	80	Points in the first row or column scan in the +i (+x) direction. Points in the first row or column scan in the +j (+y) direction. Adjacent points in the j (x) direction are consecutive. Adjacent rows scan in the opposite direction.	convert value to binary to read in table 3.4 (64 = 01010000)
66	Latin 1 ― first latitude from the pole at which the secant cone cuts the sphere	25000000
70	Latin 2 ― second latitude from the pole at which the secant cone cuts the sphere	25000000
74-77	Latitude of the southern pole of projection	-90		For tstm03 this =0; for all others output read=4204967296 (for non-tstorm) Doesn't seem to be a valid entry; output degrib text=0-90; perhaps it is a bug in code for read-out for -90 value (after corrections)?;
78-81	Longitude of the southern pole of projection	0

CONUS (dryts03/dryts06/spc_svr)

octet(s)	content	value	meaning	notes
1-4	Length of the section	81
5	section number	3
6	Source of grid definition	0
7-10	Number of data points	3744965
11	Number of octets for optional list of numbers defining number of points	0	grid is regular; no appended data
12	Interpetation of list of numbers defining number of points	0	There is no appended list
13-14	Grid definition template number	30	Lambert Conformal
15	Shape of the Earth	6	Earth assumed spherical with radius = 6,371,229.0
16	Scale factor of radius of spherical Earth	0
17-20	Scale value of radius of spherical Earth	0
21	Scale factor of major axis of oblate spheroid Earth	0
22-25	Scaled value of major axis of oblate spheroid Earth	0
26	Scale factor of minor axis of oblate spheroid Earth	0
27-30	Scaled value of minor axis of oblate spheroid Earth	0
31-34	Nx ― number of points along the x-axis	2345
35-38	Ny — number of points along the y-axis	1597
39-42	La1― latitude of first grid point	19229000
43-46	Lo1― longitude of first grid point	233723400
47	Resolution and component flags	56	i direction increments given; j direction increments given; Resolved u and v components of vector quantities relative to the defined grid in the direction of increasing x and y (or i and j) coordinates, respectively	convert value to binary to read meaning in table 3.3 (56 =00111000)
48-51	LaD ― latitude where Dx and Dy are specified	25000000
52-55	LoV ― longitude of meridian parallel to y-axis along which latitude increases as the y-coordinate increases	265000000
56-59	Dx ― x-direction grid length	2539703
60-63	Dy ― y-direction grid length	2539703
64	Projection centre flag	0	North Pole is on the projection plane; Only one projection center is used
65	Scanning mode	64	Points in the first row or column scan in the +i (+x) direction; Points in the first row or column scan in the +j (+y) direction; Adjacent points in the i (x) direction are consecutive; All rows scan in the same direction; Points within odd rows are not offset in i(x) direction; Points within even rows are not offset in i(x) direction; Points are not offset in j(y) direction; Rows have Ni grid points and columns have Nj grid points	convert value to binary to read in table 3.4 (64 = 01000000)
66	Latin 1 ― first latitude from the pole at which the secant cone cuts the sphere	25000000
70	Latin 2 ― second latitude from the pole at which the secant cone cuts the sphere	25000000
74-77	Latitude of the southern pole of projection	0
78-81	Longitude of the southern pole of projection	0

Alaska

octet(s)	content	value	meaning	notes
1-4	Length of the section	65
5	section number	3
6	Source of grid definition	0	Specified in Code - oct 3.13
7-10	Number of data points	1822145
11	Number of octets for optional list of numbers defining number of points	0	grid is regular; no appended data
12	Interpretation of list of numbers defining number of points	0	There is no appended list
13-14	Grid definition template number	20	Polar Stereographic
15	Shape of the Earth	1	Earth assumed spherical with radius specified (in m) by data producer
16	Scale factor of radius of spherical Earth	0
17-20	Scale value of radius of spherical Earth	6371200
21	Scale factor of major axis of oblate spheroid Earth	255
22-25	Scaled value of major axis of oblate spheroid Earth	255
26	Scale factor of minor axis of oblate spheroid Earth	255
27-30	Scaled value of minor axis of oblate spheroid Earth	255
31-24	Nx ― number of points along the x-axis	1649
35-38	Ny ― number of points along the y-axis	1105
39-42	La1 ― latitude of first grid point	40530000
43-46	Lo1 ― longitude of first grid point	181429000
47	Resolution and component flags	48	i direction increments given; j direction increments given; Resolved u and v components of vector quantities relative to easterly and northerly directions	convert value to binary to read in table 3.3 (48 = 00110000)
48-51	LaD ― latitude where Dx and Dy are specified	60000000
64	Projection centre flag	0	North Pole is on the projection plane; Only one projection center is used	convert value to binary to read in table 3.5 (0 = 00000000)
65	Scanning mode	80	Points in the first row or column scan in the +i (+x) direction. Points in the first row or column scan in the +j (+y) direction. Adjacent points in the j (x) direction are consecutive. Adjacent rows scan in the opposite direction.	convert value to binary to read in table 3.4 (64 = 01010000)

Hawaii

octet(s)	content	value	meaning	notes
1-4	Length of the section	72
5	section number	3
6	Source of grid definition	0	Specified in Code - oct 3.13
7-10	Number of data points	350625
11	Number of octets for optional list of numbers defining number of points	0	grid is regular; no appended data
12	Interpretation of list of numbers defining number of points	0	There is no appended list
13-14	Grid definition template number	10	Mercator
15	Shape of the Earth	1	Earth assumed spherical with radius specified (in m) by data producer
16	Scale factor of radius of spherical Earth	0
17-20	Scale value of radius of spherical Earth	6371200
21	Scale factor of major axis of oblate spheroid Earth	255
22-25	Scaled value of major axis of oblate spheroid Earth	255
26	Scale factor of minor axis of oblate spheroid Earth	255
27-30	Scaled value of minor axis of oblate spheroid Earth	255
31-34	Nj—number of points along a parallel	625
35-38	Nj—number of points along a meridian	561
39-42	La1 ― latitude of first grid point	14351500
43-46	Lo1 ― longitude of first grid point	195030500
47	Resolution and component flags	0	i direction increments not given, j direction increments not given, Resolved u and v components of vector quantities relative to easterly and northerly directions	convert value to binary to read meaning in table 3.3
48-51	LaD — latitude(s) at which the Mercator projection intersects the Earth (Latitude(s) where Di and Dj are specified)	20000000
52-55	La2 ― latitude of last grid point	26860500
56-59	Lo2 — longitude of last grid point	209959800
60	Scanning mode	64	Points in the first row or column scan in the +i (+x) direction. Points in the first row or column scan in the +j (+y) direction. Adjacent points in the j (x) direction are consecutive. Adjacent rows scan in the opposite direction.	convert value to binary to read in table 3.4 (64 = 01010000)
61-64	Orientation of the grid, angle between i direction on the map and the Equator	200000000		Limited to the range of 0 to 90 degrees; if the angle of orientation of the grid is neither 0 nor 90 degrees, Di and Dj must be equal to each other
65-68	Dj — longitudinal direction grid length	2500000		Grid lengths are in units of 10-3 m, at the latitude specified by LaD
69-72	Dj ― latitudinal direction grid length	2500000		Grid lengths are in units of 10-3 m, at the latitude specified by LaD

Puerto Rico

octet(s)	content	value	meaning	notes
1-4	Length of the section	72
5	section number	3
6	Source of grid definition	0	Specified in Code - oct 3.13
7-10	Number of data points	76275
11	Number of octets for optional list of numbers defining number of points	0	grid is regular; no appended data
12	Interpretation of list of numbers defining number of points	0	There is no appended list
13-14	Grid definition template number	10	Mercator
15	Shape of the Earth	1	Earth assumed spherical with radius specified (in m) by data producer
16	Scale factor of radius of spherical Earth	0
17-20	Scale value of radius of spherical Earth	6371200
21	Scale factor of major axis of oblate spheroid Earth	255
22-25	Scaled value of major axis of oblate spheroid Earth	255
26	Scale factor of minor axis of oblate spheroid Earth	255
27-30	Scaled value of minor axis of oblate spheroid Earth	255
31-34	Nj—number of points along a parallel	339
35-38	Nj—number of points along a meridian	225
39-42	La1 ― latitude of first grid point	16977500
43-46	Lo1 ― longitude of first grid point	291972200
47	Resolution and component flags	0	i direction increments not given, j direction increments not given, Resolved u and v components of vector quantities relative to easterly and northerly directions	convert value to binary to read meaning in table 3.3
48-51	LaD — latitude(s) at which the Mercator projection intersects the Earth (Latitude(s) where Di and Dj are specified)	20000000
52-55	La2 ― latitude of last grid point	19522100
56-59	Lo2 — longitude of last grid point	296015600
60	Scanning mode	80	Points in the first row or column scan in the +i (+x) direction. Points in the first row or column scan in the +j (+y) direction. Adjacent points in the j (x) direction are consecutive. Adjacent rows scan in the opposite direction.	convert value to binary to read in table 3.4 (64 = 01010000)
61-64	Orientation of the grid, angle between i direction on the map and the Equator	295000000		Limited to the range of 0 to 90 degrees; if the angle of orientation of the grid is neither 0 nor 90 degrees, Di and Dj must be equal to each other
65-68	Dj — longitudinal direction grid length	1250000		Grid lengths are in units of 10-3 m, at the latitude specified by LaD
69-72	Dj ― latitudinal direction grid length	1250000		Grid lengths are in units of 10-3 m, at the latitude specified by LaD

Oceanic

octet(s)	content	value	meaning	notes
1-4	Length of the section	72
5	section number	3
6	Source of grid definition	0	Specified in Code - oct 3.13
7-10	Number of data points	4573389
11	Number of octets for optional list of numbers defining number of points	0	grid is regular; no appended data
12	Interpretation of list of numbers defining number of points	0	There is no appended list
13-14	Grid definition template number	10	Mercator
15	Shape of the Earth	1	Earth assumed spherical with radius specified (in m) by data producer
16	Scale factor of radius of spherical Earth	0
17-20	Scale value of radius of spherical Earth	6371200
21	Scale factor of major axis of oblate spheroid Earth	255
22-25	Scaled value of major axis of oblate spheroid Earth	255
26	Scale factor of minor axis of oblate spheroid Earth	255
27-30	Scaled value of minor axis of oblate spheroid Earth	255
31-34	Nj—number of points along a parallel	2517
35-38	Nj—number of points along a meridian	1817
39-42	La1 ― latitude of first grid point	-30419200
43-46	Lo1 ― longitude of first grid point	129905800
47	Resolution and component flags	48	i direction increments given, j direction increments given, Resolved u and v components of vector quantities relative to easterly and northerly directions	convert value to binary to read meaning in table 3.3
48-51	LaD — latitude(s) at which the Mercator projection intersects the Earth (Latitude(s) where Di and Dj are specified)	20000000
52-55	La2 ― latitude of last grid point	80383000
56-59	Lo2 — longitude of last grid point	10689200
60	Scanning mode	80	Points in the first row or column scan in the +i (+x) direction. Points in the first row or column scan in the +j (+y) direction. Adjacent points in the j (x) direction are consecutive. Adjacent rows scan in the opposite direction.	convert value to binary to read in table 3.4 (64 = 01010000)
61-64	Orientation of the grid, angle between i direction on the map and the Equator	0		Limited to the range of 0 to 90 degrees; if the angle of orientation of the grid is neither 0 nor 90 degrees, Di and Dj must be equal to each other
65-68	Dj — longitudinal direction grid length	10000000		Grid lengths are in units of 10-3 m, at the latitude specified by LaD
69-72	Dj ― latitudinal direction grid length	10000000		Grid lengths are in units of 10-3 m, at the latitude specified by LaD

Global

octet(s)	content	value	meaning	notes
1-4	Length of the section	72
5	section number	3
6	Source of grid definition	0	Specified in Code - oct 3.13
7-10	Number of data points	639999
11	Number of octets for optional list of numbers defining number of points	0	grid is regular; no appended data
12	Interpretation of list of numbers defining number of points	0	There is no appended list
13-14	Grid definition template number	10	Mercator
15	Shape of the Earth	1	Earth assumed spherical with radius specified (in m) by data producer
16	Scale factor of radius of spherical Earth	0
17-20	Scale value of radius of spherical Earth	6371200
21	Scale factor of major axis of oblate spheroid Earth	255
22-25	Scaled value of major axis of oblate spheroid Earth	255
26	Scale factor of minor axis of oblate spheroid Earth	255
27-30	Scaled value of minor axis of oblate spheroid Earth	255
31-34	Nj—number of points along a parallel	801
35-38	Nj—number of points along a meridian	799
39-42	La1 ― latitude of first grid point	-85000000
43-46	Lo1 ― longitude of first grid point	180000000
47	Resolution and component flags	48	i direction increments given, j direction increments given, Resolved u and v components of vector quantities relative to easterly and northerly directions	convert value to binary to read meaning in table 3.3
48-51	LaD — latitude(s) at which the Mercator projection intersects the Earth (Latitude(s) where Di and Dj are specified)	0
52-55	La2 ― latitude of last grid point	84999900
56-59	Lo2 — longitude of last grid point	179717600
60	Scanning mode	80	Points in the first row or column scan in the +i (+x) direction. Points in the first row or column scan in the +j (+y) direction. Adjacent points in the j (x) direction are consecutive. Adjacent rows scan in the opposite direction.	convert value to binary to read in table 3.4 (64 = 01010000)
61-64	Orientation of the grid, angle between i direction on the map and the Equator	0		Limited to the range of 0 to 90 degrees; if the angle of orientation of the grid is neither 0 nor 90 degrees, Di and Dj must be equal to each other
65-68	Dj — longitudinal direction grid length	50000000		Grid lengths are in units of 10-3 m, at the latitude specified by LaD
69-72	Dj ― latitudinal direction grid length	50000000		Grid lengths are in units of 10-3 m, at the latitude specified by LaD

IS4: Product Definition Section

appt

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	21	Apparent Temperature : K : APTMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_1_base

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	11	Cloud Base : m : CDCB
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	195	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_1_coverage

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	1	Total Cloud Cover : % : TCDC
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	195	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_1_top

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	12	Cloud Top : m : CDCTOP
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	195	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_2_base

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	11	Cloud Base : m : CDCB
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	196	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_2_coverage

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	1	Total Cloud Cover : % : TCDC
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	196	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_2_top

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	12	Cloud Top : m : CDCTOP
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	196	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_3_base

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	11	Cloud Base : m : CDCB
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	197	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_3_coverage

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	1	Total Cloud Cover : % : TCDC
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	197	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_cldlayer_3_top

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	12	Cloud Top : m : CDCTOP
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	197	Reserved for Local Use
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_prominent_cldlayer_above_FL250_base

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	11	Cloud Base : m : CDCB
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	234	High cloud layer
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_awcdas_prominent_cldlayer_above_FL250_coverage

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	1	Total Cloud Cover : % : TCDC
12	Type of generating process	2	Forecast
13	Background generating process identifier	0
14	Analysis or forecast generating process identified	105	Rapid Refresh (RAP)
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	234	High cloud layer
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

cape

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	7	Thermodynamic Stability indicies
11	Parameter number	6	Convective Available Potential Energy : J kg-1 : CAPE
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

capesd

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	7	Thermodynamic Stability indicies
11	Parameter number	6	Convective Available Potential Energy : J kg-1 : CAPE
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255

cig

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	13	Ceiling : m : CEIL
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	215	Cloud ceiling
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

cigp_lt1000

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	13	Ceiling : m : CEIL
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	215	Cloud ceiling
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	3
36	Total number of forecast probabilities	7
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	30480
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

cigp_lt2000

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	13	Ceiling : m : CEIL
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	215	Cloud ceiling
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	4
36	Total number of forecast probabilities	7
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	60960
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

cigp_lt500

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	13	Ceiling : m : CEIL
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	215	Cloud ceiling
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	2
36	Total number of forecast probabilities	7
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	15240
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

cigp_lte3000

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	13	Ceiling : m : CEIL
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	215	Cloud ceiling
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	5
36	Total number of forecast probabilities	7
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	91450
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

cigp_lte6500

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	13	Ceiling : m : CEIL
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	215	Cloud ceiling
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	6
36	Total number of forecast probabilities	7
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	201168
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

cldbse

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	13	Ceiling : m : CEIL
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	2	Cloud Base Level
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

cwasp

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	239	Craven-Wiedenfeld Aggregate Severe Parameter : Numeric : CWASP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	241	Reserved for Local Use
36	Number of forecasts in the ensemble	241

cwasp_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	239	Craven-Wiedenfeld Aggregate Severe Parameter : Numeric : CWASP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95

cwasp_prbXX

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	239	Craven-Wiedenfeld Aggregate Severe Parameter : Numeric : CWASP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	50

cwasp_prb65

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	239	Craven-Wiedenfeld Aggregate Severe Parameter : Numeric : CWASP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	65,70,75,85

dewp

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	6	Dew Point Temperature : K : DPT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

dewpsd

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	6	Dew Point Temperature : K : DPT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255

dryts03

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	237	Dry Thunderstorm Probability : % : DRYTPROB
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	113	Products from NCEP SREF processing
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	3
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

dswrf

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	4	Short-wave radiation
11	Parameter number	7	Downward Short-Wave Radiation Flux : W m-2 : DSWRF
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

dswrf_analysis

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	4	Short-wave radiation
11	Parameter number	7	Downward Short-Wave Radiation Flux : W m-2 : DSWRF
12	Type of generating process	0	Analysis
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

echotop

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	16	Forecast Radar Imagery
11	Parameter number	3	Echo Top : m : RETOP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	3	Level of Cloud Tops
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

ellrod

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	238	Ellrod Index : unknown : ELLINX
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	40000
29	Type of second fixed surface	100	Isobaric Surface : Pa
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	30000

flaticeXX

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	1,6,24,48,72
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

frzspray

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Surface Properties
11	Parameter number	204	Freezing Spray : unknown : FRZSPR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

gust_cdf-50p

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	22	Wind Speed (Gust) : m s-1 : GUST
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	50

haines_analysis

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	4	Fire Weather Products
11	Parameter number	2	Haines Index : Numeric : HINDEX
12	Type of generating process	0	Analysis
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	241	Reserved for Local Use
36	Number of forecasts in the ensemble	241

hgt_250mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	5	Geopotential Height : gpm : HGT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	25000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

hgt_500mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	5	Geopotential Height : gpm : HGT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	50000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

hgt_700mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	5	Geopotential Height : gpm : HGT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	70000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

hgt_850mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	5	Geopotential Height : gpm : HGT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	85000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

hgt_925mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	5	Geopotential Height : gpm : HGT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	92500
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

hgtsd_500mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	5	Geopotential Height : gpm : HGT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	50000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	100

hgtsd_700mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	5	Geopotential Height : gpm : HGT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	70000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	100

ice06_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	6

ice24_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	24

ice48_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	48
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	48

ice72_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	72
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	72

iceXXprb001

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	3
44-47	Scaled value of threshold upper limit	254
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24,4872
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

iceXXprb010

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	2
44-47	Scaled value of threshold upper limit	254
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

iceXXprb025

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	2
44-47	Scaled value of threshold upper limit	635
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

iceXXprb050

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	1
44-47	Scaled value of threshold upper limit	127
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

iceXXprb100

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	228	Flat Ice Accumulation (FRAM) : kg m-2 : FICEAC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	1
44-47	Scaled value of threshold upper limit	254
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

icec

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Ice
11	Parameter number	0	Ice Cover : Proportion : ICEC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

icetk

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Ice
11	Parameter number	1	Ice Thickness : m : ICETK
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_ifi_icprb

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	233	Icing probability : non-dim : ICPRB
12	Type of generating process	2	Forecast
13	Background generating process identifier	193
14	Analysis or forecast generating process identified	193	Forecast product from NCEP/AWC
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	102	Specific Altitude Above Mean Sea Level : m
24	Scale factor of first fixed surface	1
25-28	Scaled value of first fixed surface	1524
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_ifi_icsev

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	234	Icing Severity : non-dim : ICSEV
12	Type of generating process	2	Forecast
13	Background generating process identifier	193
14	Analysis or forecast generating process identified	193	Forecast product from NCEP/AWC
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	102	Specific Altitude Above Mean Sea Level : m
24	Scale factor of first fixed surface	1
25-28	Scaled value of first fixed surface	1524
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

blend_ifi_sipd

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	217	Supercooled Large Droplet (SLD) Icing : (See Table 4.207 for units) : SIPD
12	Type of generating process	2	Forecast
13	Background generating process identifier	193
14	Analysis or forecast generating process identified	193	Forecast product from NCEP/AWC
15-16	Hours of observational data cutoff after reference time	0
17	Minutes of observational data cutoff after reference time	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	102	Specific Altitude Above Mean Sea Level : m
24	Scale factor of first fixed surface	1
25-28	Scaled value of first fixed surface	1524
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

llturb

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	10	Turbulence : (See Table 4.208 for units) : TURB
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	103	Specified Height Level Above Ground : m
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	1372

llwsdir

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	103	Specified Height Level Above Ground : m
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	610

llwshgt

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	6	Geometric Height : m : DIST
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	103	Specified Height Level Above Ground : m
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	610

llwsspd

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	103	Specified Height Level Above Ground : m
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	610

maxffwi

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	4	Fire Weather Products
11	Parameter number	4	Fosberg Index : Numeric : FOSINDX
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	2	Maximum
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

maxhi

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	4	Fire Weather Products
11	Parameter number	2	Haines Index : Numeric : HINDEX
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	2	Maximum
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

maxref

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	16	Forecast Radar Imagery
11	Parameter number	198	Hourly Maximum of Simulated Reflectivity : dB : MAXREF
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	1000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	2	Maximum
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

maxrh

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	27	Maximum Relative Humidity : % : MAXRH
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	2	Maximum
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

maxt

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	0	Temperature
11	Parameter number	4	Maximum Temperature : K : TMAX
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	2	Maximum
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

maxtsd

octet(s)	content	value	meaning
1-4	length of section in octets	60
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	12	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer, in a continuous or non-continuous time interval
10	Parameter category	0	Temperature
11	Parameter number	4	Maximum Temperature : K : TMAX
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255
37-38	Year of end of overall time interval	varies
39	Month of end of overall time interval	varies
40	Day of end of overall time overall time interval	varies
41	Hour of end of overall time interval	varies
42	Minute of end overall time interval	varies
43	Second of end of overall time interval	varies
44	nnumber of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
45-48	Total number of data values missing in the statistical process	0
49	Statistical process used to calculate the processed field from the field at each time increment during the time range	2	Maximum
50	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
51	Indicator of unit of time for time range over which statistical processing is done	1	Hour
52-55	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
56	Indicator of unit of time for the increment between the successive fields used	1	Hour
57-60	Time increment between successive fields, in units defined by the previous octet	0

minrh

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	198	Minimum Relative Humidity : % : MINRH
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	3	Minimum
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

mint

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	0	Temperature
11	Parameter number	5	Minimum Temperature : K : TMIN
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	3	Minimum
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

mintsd

octet(s)	content	value	meaning
1-4	length of section in octets	60
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	12	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer, in a continuous or non-continuous time interval
10	Parameter category	0	Temperature
11	Parameter number	5	Minimum Temperature : K : TMIN
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255
37-38	Year of end of overall time interval	varies
39	Month of end of overall time interval	varies
40	Day of end of overall time overall time interval	varies
41	Hour of end of overall time interval	varies
42	Minute of end overall time interval	varies
43	Second of end of overall time interval	varies
44	nnumber of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
45-48	Total number of data values missing in the statistical process	0
49	Statistical process used to calculate the processed field from the field at each time increment during the time range	3	Minimum
50	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
51	Indicator of unit of time for time range over which statistical processing is done	1	Hour
52-55	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
56	Indicator of unit of time for the increment between the successive fields used	1	Hour
57-60	Time increment between successive fields, in units defined by the previous octet	0

mixhgt

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	3	Mixed Layer Depth : m : MIXHT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

mixhgt_analysis

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	3	Mixed Layer Depth : m : MIXHT
12	Type of generating process	0	Analysis
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

mslp_cdf-XXp

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	3	Mass
11	Parameter number	1	Pressure Reduced to MSL : Pa : PRMSL
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	101	Mean Sea Level
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	10,25,50,75,90

pdur

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	234	Precipitation Duration : hour : PCPDUR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

pop01

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	8	Total Precipitation : kg m-2 : APCP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	3
44-47	Scaled value of threshold upper limit	254
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

pop06

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	8	Total Precipitation : kg m-2 : APCP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	3
44-47	Scaled value of threshold upper limit	254
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

pop12

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	8	Total Precipitation : kg m-2 : APCP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	3
44-47	Scaled value of threshold upper limit	254
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

prb0p25frzn

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	53	Total Snowfall Rate Water Equivalent : kg m-2 s-1 : TSRWE
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	7
44-47	Scaled value of threshold upper limit	735
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

predomwx

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	226	Predominant Weather : Numeric : PWTHER
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	0	Reserved
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

prfzrn

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	19	Precipitation Type : (See Table 4.201 for units) : PTYPE
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	1
36	Total number of forecast probabilities	1
37	Probability type	2	Probability of event between upper and lower limits (the range includes lower limit but not the upper limit)
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	3
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	4

prrain

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	19	Precipitation Type : (See Table 4.201 for units) : PTYPE
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	1
36	Total number of forecast probabilities	1
37	Probability type	2	Probability of event between upper and lower limits (the range includes lower limit but not the upper limit)
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	1
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	2

prsleet

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	19	Precipitation Type : (See Table 4.201 for units) : PTYPE
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	1
36	Total number of forecast probabilities	1
37	Probability type	2	Probability of event between upper and lower limits (the range includes lower limit but not the upper limit)
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	8
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	9

prsnow

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	19	Precipitation Type : (See Table 4.201 for units) : PTYPE
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	1
36	Total number of forecast probabilities	1
37	Probability type	2	Probability of event between upper and lower limits (the range includes lower limit but not the upper limit)
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	5
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	7

ptstm01

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	2	Thunderstorm Probability : % : TSTM
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

ptstm03

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	2	Thunderstorm Probability : % : TSTM
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	3
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

ptstm06

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	2	Thunderstorm Probability : % : TSTM
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

ptstm12

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	2	Thunderstorm Probability : % : TSTM
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	12
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

qmd_qpf01

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	8	Total Precipitation : kg m-2 : APCP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

qpf01

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	8	Total Precipitation : kg m-2 : APCP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

qpf06

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	8	Total Precipitation : kg m-2 : APCP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

rh

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	1	Relative Humidity : % : RH
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

rh_250mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	1	Relative Humidity : % : RH
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	25000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

rh_500mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	1	Relative Humidity : % : RH
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	50000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

rh_700mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	1	Relative Humidity : % : RH
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	70000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

rh_850mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	1	Relative Humidity : % : RH
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	85000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

rh_925mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	1	Relative Humidity : % : RH
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	92500
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

sigwv

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Waves
11	Parameter number	3	Significant Height of Combined Wind Waves and Swell : m : HTSGW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

sigwv_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Waves
11	Parameter number	3	Significant Height of Combined Wind Waves and Swell : m : HTSGW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	10,50,90

sigwvsd

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Waves
11	Parameter number	3	Significant Height of Combined Wind Waves and Swell : m : HTSGW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255

sky

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	1	Total Cloud Cover : % : TCDC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

skysd

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	6	Cloud
11	Parameter number	1	Total Cloud Cover : % : TCDC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255

slr_05p

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	233	Snow Liquid ratio : kg kg-1 : SNOWLR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95

slrblend

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	1	Moisture
11	Parameter number	233	Snow Liquid ratio : kg kg-1 : SNOWLR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

snow01

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

snow01_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	1

snow01prb003

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	5
44-47	Scaled value of threshold upper limit	762
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow01prb005

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	5
44-47	Scaled value of threshold upper limit	1270
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow01prb007

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	5
44-47	Scaled value of threshold upper limit	1778
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow01prb015

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	381
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow01prb020

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	508
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow01prb025

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	635
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow06

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

snow06_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	6

snowXXprb030

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1,6	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	762
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow06prb050

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	1270
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow24

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

snow24_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	24

snowXXprb001

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	5
44-47	Scaled value of threshold upper limit	254
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1,6,24
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb100

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	2540
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow48

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	48
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

snow48_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	48
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	48

snowXXprb020

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	508
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1,6,24,48
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow72

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	72
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

snow72_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	59
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	10	Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by previous octet	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95
36-37	Year of end of overall time interval	varies
38	Month of end of overall time interval	varies
39	Day of end of overall time overall time interval	varies
40	Hour of end of overall time interval	varies
41	Minute of end of overall time interval	varies
42	Second of end of overall time interval	varies
43	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
44-47	Total number of data values missing in the statistical process	0
48	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
49	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
50	Indicator of unit of time range over which statistical processing is done	1	Hour
51-54	Length of the time range over which statistical processing is done, in units defined by the previous octet	72
55	Indicator of unit of time for the increment between the successive fields used	1	Hour
56-59	Time increment between successive fields, in units defined by the previous octet	72

snowXXprb010

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	254
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1,6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb040

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	1016
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1,6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb060

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	1524
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb080

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	2032
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb120

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	3048
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	6,24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb180

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	4572
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb240

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	6096
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	24,48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb300

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	7620
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowXXprb360

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	4
44-47	Scaled value of threshold upper limit	9144
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	48,72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snow72prb480

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	1	Moisture
11	Parameter number	29	Total Snowfall : m : ASNOW
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identifier	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	255
36	Total number of forecast probabilities	255
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	-127
39-42	Scaled value of threshold lower limit	255
43	Scale factor of threshold upper limit	3
44-47	Scaled value of threshold upper limit	1219
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	72
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

snowlvl

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	236	Snow Level : m : SNOWLVL
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	102	Specific Altitude Above Mean Sea Level : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

snowlvl_XXp

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	236	Snow Level : m : SNOWLVL
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	5,10,25,50,75,90,95

snowlvl_analysis

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	236	Snow Level : m : SNOWLVL
12	Type of generating process	0	Analysis
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	102	Specific Altitude Above Mean Sea Level : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

spc_post_hail24hr

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	198	Hail probability : % : HAILPROB
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_hail4hr

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	198	Hail probability : % : HAILPROB
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	4
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_svrday3-8_sig New

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	215	Total Probability of Severe Thunderstorms (Days 2,3) : % : PRSVR
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_svrday3-8_std New

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	215	Total Probability of Severe Thunderstorms (Days 2,3) : % : PRSVR
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_thunder1hr

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	2	Thunderstorm Probability : % : TSTM
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_thunder4hr

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	2	Thunderstorm Probability : % : TSTM
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	4
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_tor24hr

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	197	Tornado probability : % : TORPROB
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_tor4hr

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	197	Tornado probability : % : TORPROB
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	4
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_wind24hr

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	199	Wind probability : % : WINDPROB
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	24
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_post_wind4hr

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	199	Wind probability : % : WINDPROB
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	0	Reserved
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	4
67	Indicator of unit of time for the increment between the successive fields used	255
68-71	Time increment between successive fields, in units defined by the previous octet	0

spc_sref_dryts03

octet(s)	content	value	meaning
1-4	length of section in octets	71
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	9	Probability forecasts at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	237	Dry Thunderstorm Probability : % : DRYTPROB
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	0
14	Forecast generating process identifier	113	Products from NCEP SREF processing
15-16	Hours after reference time data cutoff	0
17	Minutes after reference time data cutoff	0
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	0
36	Total number of forecast probabilities	21
37	Probability Type	1	Probability of event above upper limit
38	Scale factor of threshold lower limit	0
39-42	Scaled value of threshold lower limit	0
43	Scale factor of threshold upper limit	0
44-47	Scaled value of threshold upper limit	0
48-49	Year of end of overall time interval	varies
50	Month of end of overall time interval	varies
51	Day of end of overall time interval	varies
52	Hour of end of overall time interval	varies
53	Minute of end of overall time interval	varies
54	Second of end of overall time interval	varies
55	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
56-59	Total number of data values missing in the statistical process	0
60	Statistical process used to calculate the processed field from the field at each time increment during the time range	1	Accumulation
61	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
62	Indicator of unit of time for time range over which statistical processing is done	1	Hour
63-66	Length of the time range over which statistical processing is done, in units defined by the previous octet	3
67	Indicator of unit of time for the increment between the successive fields used	1	Hour
68-71	Time increment between successive fields, in units defined by the previous octet	0

sst

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

sst_cdf-50p

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

temp

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

temp_cdf-50p

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	50

tempsd

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	2
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255

tmp_250mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	25000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

tmp_500mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	50000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

tmp_700mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	70000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

tmp_850mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	85000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

tmp_925mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	0	Temperature : K : TMP
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	92500
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

trwdir

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	226	Transport Wind Direction : Deg : TRWDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

trwdir_analysis

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	226	Transport Wind Direction : Deg : TRWDIR
12	Type of generating process	0	Analysis
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

trwspd

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	225	Transport Wind Speed : m s-1 : TRWSPD
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

trwspd_analysis

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	225	Transport Wind Speed : m s-1 : TRWSPD
12	Type of generating process	0	Analysis
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

tstm_coverage

octet(s)	content	value	meaning
1-4	length of section in octets	58
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	8	Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval
10	Parameter category	6	Cloud
11	Parameter number	10	Thunderstorm Coverage : (See Table 4.204 for units) : THUNC
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	10	Entire Atmosphere
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35-36	YearTime of end of overall time interval	varies
37	MonthTime of end of overall time interval	varies
38	DayTime of end of overall time interval	varies
39	HourTime of end of overall time interval	varies
40	MinuteTime of end of overall time interval	varies
41	SecondTime of end of overall time interval	varies
42	number of time ranges specifications describing the time intervals used to calculate the statistically-processed field	1
43-46	Total number of data values missing in statistical process	0
47	Statistical process used to calculate the processed field from the field at each time increment during the time range	255
48	Type of time increment between successive fields used in the statistical processing	2	Successive times processed have same start time of forecast, forecast time is incremented.
49	Indicator of unit of time for time range over which statistical processing is done	1	Hour
50-53	Length of the time range over which statistical processing is done, in units defined by the previous octet	1
54	Indicator of unit of time for the increment between the successive fields used	1	Hour
55-58	Time increment between successive fields, in units defined by the previous octet	0

vil

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	15	Radar
11	Parameter number	3	Vertically-Integrated Liquid Water : kg m-2 : VIL
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	10	Entire Atmosphere
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

vis

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	0	Visibility : m : VIS
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

vis_cdf-50p

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	0	Visibility : m : VIS
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	50

visp_lt1

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	0	Visibility : m : VIS
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	2
36	Total number of forecast probabilities	6
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	160934
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

visp_lt2

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	0	Visibility : m : VIS
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	3
36	Total number of forecast probabilities	6
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	321869
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

visp_lt3

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	0	Visibility : m : VIS
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	4
36	Total number of forecast probabilities	6
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	482803
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

visp_lte5

octet(s)	content	value	meaning
1-4	length of section in octets	47
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	5	Probability forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	19	Physical atmospheric properties
11	Parameter number	0	Visibility : m : VIS
12	Type of generating process	5	Probability Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	108	Localized Aviation MOS Program (LAMP)
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Forecast probability number	5
36	Total number of forecast probabilities	6
37	Probability type	0	Probability of event below lower limit
38	Scale factor of threshold lower limit	2
39-42	Scaled value of threshold lower limit	804673
43	Scale factor of threshold upper limit	-127
44-47	Scaled value of threshold upper limit	255

vrate

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	224	Ventilation Rate : m2 s-1 : VRATE
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

vrate_analysis

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	224	Ventilation Rate : m2 s-1 : VRATE
12	Type of generating process	0	Analysis
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	200	Entire atmosphere (considered as a single layer)
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wbgt

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	0	Temperature
11	Parameter number	206	Wet Bulb Globe Temperature : K : WETGLBT
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	1	Ground or Water Surface
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	0
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wdir

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wdir_tropical_blend

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	231	Tropical Wind Direction : ° : TPWDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wdir30

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	30
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	-127
31-34	Scaled value of second fixed surface	-2147483647

wdir30_cdf-50p

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	30
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	-127
31-34	Scaled value of second fixed surface	-2147483647
35	Percentile value	50

wdir80

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	80
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	-127
31-34	Scaled value of second fixed surface	-2147483647

wdir80_cdf-50p

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	80
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	-127
31-34	Scaled value of second fixed surface	-2147483647
35	Percentile value	50

wdir_250mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	25000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wdir_500mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	50000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wdir_700mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	70000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wdir_850mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	85000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wdir_925mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	92500
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wdir_cdf-XXp

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	0	Wind Direction (from which blowing) : ° : WDIR
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	50,75,90

wgust

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	22	Wind Speed (Gust) : m s-1 : GUST
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wgustsd

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	22	Wind Speed (Gust) : m s-1 : GUST
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255

wind_250mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	25000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wind_500mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	50000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wind_700mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	70000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wind_850mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	85000
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wind_925mb

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	100	Isobaric Surface : Pa
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	92500
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	255
36	Number of forecasts in the ensemble	100

wspd

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wspd_tropical_blend

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	232	Tropical Wind Speed : m s-1 : TPWSPD
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wspd10_cdf-XXp

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	10,25,50,75,90

wspd30

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	30
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wspd30_cdf-50p

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	30
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	50

wspd80

octet(s)	content	value	meaning
1-4	length of section in octets	34
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	0	Analysis or forecast at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Analysis or forecast generating process identified	104	National Blend GRIB
15-16	Hours of observational data cutoff after reference time	65535
17	Minutes of observational data cutoff after reference time	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	80
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0

wspd80_cdf-50p

octet(s)	content	value	meaning
1-4	length of section in octets	35
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	6	Percentile forecasts at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	80
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Percentile value	50

wspdsd

octet(s)	content	value	meaning
1-4	length of section in octets	36
5	section number	4
6-7	Number of coordinate values after template	0	no vertical discretization has occured for this data
8-9	product template	2	Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer at a point in time
10	Parameter category	2	Momentum
11	Parameter number	1	Wind Speed : m s-1 : WIND
12	Type of generating process	2	Forecast
13	Background generating process identifier	255
14	Forecast generating process identified	104	National Blend GRIB
15-16	Hours after reference time data cutoff	65535
17	Minutes after reference time data cutoff	255
18	Indicator of unit of time range	1	Hour
19-22	Forecast time in units defined by octet 18	varies
23	Type of first fixed surface	103	Specified Height Level Above Ground : m
24	Scale factor of first fixed surface	0
25-28	Scaled value of first fixed surface	10
29	Type of second fixed surface	255
30	Scale factor of second fixed surface	0
31-34	Scaled value of second fixed surface	0
35	Derived forecast	2	Standard Deviation with respect to Cluster Mean
36	Number of forecasts in the ensemble	255

IS5: Data Representation Section

Standard (all except tstm03 / tstm06)

octet(s)	content	value	meaning	notes
1-4	length of section in octets	49
5	section number	5
6-9	"Number of data points where one or more values are specified in Section 7 when a bit map is present; total number of data points when a bit map is absent"	varies by grid (see IS3)		3744965 (co); 1822145(ak); 76275(pr); 350625(hi); 4573389(oc)
10-11	template number	3	Grid Point Data - Complex Packing and Spatial Differencing
12-15	Reference value (R) (IEEE 32-bit floating-point value)	varies
16-17	Binary scale factor (E)	varies		usually stable by element: vis=7; cig/cldbse/snowlevel=3; appt/dewp/mxwbalft/temp/wgust/wspd=2; negengy/pop12/posengy/ppi/prfzrn/probiceprsnt/probrefzslt/ prrain/prsleet/prsnow/qpf01/qpf06/rh/sky/slrblend/wdir=0
18-19	Decimal scale factor (D)	varies		usually stable by element; usually 0 or 1; qpf01/qpf06=3; wdir=4294967295
20	Number of bits used for each packed value for simple packing, or for each group reference value for complex packing or spatial differencing	varies
21	Type of original field values	0	Floating Point
22	Group splitting method used	1	General Group Splitting
23	Missing value management used	1	Primary missing values included within the data values
24-27	Primary missing value substitute	9999
28-31	Secondary missing value substitute	0
32-35	NG ― number of groups of data values into which field is split	varies
36	Reference for group widths	varies		usually 0 - 1
37	Number of bits used for the group widths (value after - oct 5.36)	varies
38-41	Reference for group lengths	1		may vary; probrefzslt has value 2147483647
42	Length increment for the group lengths	1		may vary
43-46	True length of last group	varies
47	Number of bits used for the scaled group lengths (after - oct5.38 and % by oct5.42)	varies
48	Order of spatial difference	2	Second-Order Spatial Differencing
49	Number of octets required in the data section to specify extra descriptors needed for spatial differencing (octets 6-ww in data template 7.3)	varies		usually 1-2

tstm03 / tstm06

octet(s)	content	value	meaning	notes
1-4	length of section in octets	21
5	section number	5
6-9	"Number of data points where one or more values are specified in Section 7 when a bit map is present; total number of data points when a bit map is absent"	1943462 (tstm03); 3744965 (tstm06)		tstm03 dooes not match other conus products; tstm06 matches other conus products
10-11	template number	0	Grid Point Data - Complex Packing and Spatial Differencing
12-15	Reference value (R) (IEEE 32-bit floating-point value)	varies
16-17	Binary scale factor (E)	0		may vary
18-19	Decimal scale factor (D)	0		may vary
20	Number of bits used for each packed value for simple packing, or for each group reference value for complex packing or spatial differencing	varies
21	Type of original field values	0	Floating Point

IS6: Bit Map Section

Standard (all except tstm03 / tstm06)

octet(s)	content	value	meaning
1-4	length of section in octets	6
5	section number	6
6	bitmap indicator	255	A bit map does not apply to this product

tstm03 / tstm06

octet(s)	content	value	meaning	notes
1-4	length of section in octets	6
5	section number	6
6	bitmap indicator	0	A bit map applies to this product and is specified in this section
7+		0		All values = 0

IS7: Data Section

Standard (all except tstm03 / tstm06)

octet(s)	content	value	notes
1-4	length of section in octets	varies
5	section number	7
6+	data	0	in a format described by data Template 7.X, where X is the data representation template number in octet 5.10

tstm03 / tstm06

octet(s)	content	value	notes
1-4	length of section in octets	varies
5	section number	7
6+	data	0	in a format described by data Template 7.X, where X is the data representation template number in octet 5.10

IS8: End Section

All

octet(s)	content	value	meaning	notes
1-4		7777	[END]	Coded according to the International Alphabet Number 5.

NBM v4.2 GRIB2 All Sections - MDL

IS0: Indicator Section

Standard

IS1: Identification Section

Standard

tstm03

spc_svr

IS2: Local Use Section

IS3: Grid Definition Section

CONUS

CONUS (dryts03/dryts06/spc_svr)

Alaska

Hawaii

Puerto Rico

Oceanic

Global

IS4: Product Definition Section

appt

blend_awcdas_cldlayer_1_base

blend_awcdas_cldlayer_1_coverage

blend_awcdas_cldlayer_1_top

blend_awcdas_cldlayer_2_base

blend_awcdas_cldlayer_2_coverage

blend_awcdas_cldlayer_2_top

blend_awcdas_cldlayer_3_base

blend_awcdas_cldlayer_3_coverage

blend_awcdas_cldlayer_3_top

blend_awcdas_prominent_cldlayer_above_FL250_base

blend_awcdas_prominent_cldlayer_above_FL250_coverage

cape

capesd

cig

cigp_lt1000

cigp_lt2000

cigp_lt500

cigp_lte3000

cigp_lte6500

cldbse

cwasp

cwasp_XXp

cwasp_prbXX

cwasp_prb65

dewp

dewpsd

dryts03

dswrf

dswrf_analysis

echotop

ellrod

flaticeXX

frzspray

gust_cdf-50p

haines_analysis

hgt_250mb

hgt_500mb

hgt_700mb

hgt_850mb

hgt_925mb

hgtsd_500mb

hgtsd_700mb

ice06_XXp

ice24_XXp

ice48_XXp

ice72_XXp

iceXXprb001

iceXXprb010

iceXXprb025

iceXXprb050

iceXXprb100

icec

icetk

blend_ifi_icprb

blend_ifi_icsev

blend_ifi_sipd

llturb

llwsdir

llwshgt

llwsspd

maxffwi

maxhi