NBM v4.0 GRIB2 All Sections  MDL
IS0: Indicator Section
Standard
octet(s)  content  value  meaning  notes 

14  "grib" definition  71, 82, 73, 76  'GRIB'  Coded according to the International Alphabet Number 5 
56  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 

14  length of section in octets  21  
5  section number  1  
6  ID of originating center  7  National Weather Service  NCEP 
8  ID of origin subcenter  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 
1314  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 

14  length of section in octets  21  
5  section number  1  
6  ID of originating center  7  National Weather Service  NCEP 
8  ID of origin subcenter  14  MDL 
10  GRIB master tables version number  2  
11  GRIB local tables' version number  1  
12  significance of reference time  1  start of forecast 
1314  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 
IS2: Local Use Section
IS3: Grid Definition Section
CONUS
octet(s)  content  value  meaning  notes 

14  Length of the section  81  
5  section number  3  
6  Source of grid definition  0  Specified in Code  oct 3.13  
710  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  
1314  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  
1720  Scale value of radius of spherical Earth  6371200  
21  Scale factor of major axis of oblate spheroid Earth  255  
2225  Scaled value of major axis of oblate spheroid Earth  255  
26  Scale factor of minor axis of oblate spheroid Earth  255  
2730  Scaled value of minor axis of oblate spheroid Earth  255  
3134  Nx ― number of points along the xaxis  2345  
3538  Ny — number of points along the yaxis  1597  
3942  La1― latitude of first grid point  19229000  
4346  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) 
4851  LaD ― latitude where Dx and Dy are specified  25000000  
5255  LoV ― longitude of meridian parallel to yaxis along which latitude increases as the ycoordinate increases  265000000  
5659  Dx ― xdirection grid length  2539703  Grid length is in units of 103 m at the latitude specified by LaD  
6063  Dy ― ydirection grid length  2539703  Grid length is in units of 103 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  
7477  Latitude of the southern pole of projection  90  For tstm03 this =0; for all others output read=4204967296 (for nontstorm) Doesn't seem to be a valid entry; output degrib text=090; perhaps it is a bug in code for readout for 90 value (after corrections)?;  
7881  Longitude of the southern pole of projection  0 
CONUS (dryts03/dryts06)
octet(s)  content  value  meaning  notes 

14  Length of the section  81  
5  section number  3  
6  Source of grid definition  0  
710  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  
1314  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  
1720  Scale value of radius of spherical Earth  0  
21  Scale factor of major axis of oblate spheroid Earth  0  
2225  Scaled value of major axis of oblate spheroid Earth  0  
26  Scale factor of minor axis of oblate spheroid Earth  0  
2730  Scaled value of minor axis of oblate spheroid Earth  0  
3134  Nx ― number of points along the xaxis  2345  
3538  Ny — number of points along the yaxis  1597  
3942  La1― latitude of first grid point  19229000  
4346  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) 
4851  LaD ― latitude where Dx and Dy are specified  25000000  
5255  LoV ― longitude of meridian parallel to yaxis along which latitude increases as the ycoordinate increases  265000000  
5659  Dx ― xdirection grid length  2539703  
6063  Dy ― ydirection 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  
7477  Latitude of the southern pole of projection  0  
7881  Longitude of the southern pole of projection  0 
Alaska
octet(s)  content  value  meaning  notes 

14  Length of the section  65  
5  section number  3  
6  Source of grid definition  0  Specified in Code  oct 3.13  
710  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  
1314  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  
1720  Scale value of radius of spherical Earth  6371200  
21  Scale factor of major axis of oblate spheroid Earth  255  
2225  Scaled value of major axis of oblate spheroid Earth  255  
26  Scale factor of minor axis of oblate spheroid Earth  255  
2730  Scaled value of minor axis of oblate spheroid Earth  255  
3124  Nx ― number of points along the xaxis  1649  
3538  Ny ― number of points along the yaxis  1105  
3942  La1 ― latitude of first grid point  40530000  
4346  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) 
4851  LaD ― latitude where Dx and Dy are specified  60000000  
5255  LoV ― orientation of the grid  210000000  "LoV is the longitude value of the meridian which is parallel to the yaxis (or columns of the grid) along which latitude increases as the ycoordinate increases (the orientation longitude may or may not appear on a particular grid)."  
5659  Dx ― xdirection grid length  2976560  Grid length is in units of 103 m at the latitude specified by LaD  
6063  Dy ― ydirection grid length  2976560  Grid length is in units of 103 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) 
Hawaii
octet(s)  content  value  meaning  notes 

14  Length of the section  72  
5  section number  3  
6  Source of grid definition  0  Specified in Code  oct 3.13  
710  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  
1314  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  
1720  Scale value of radius of spherical Earth  6371200  
21  Scale factor of major axis of oblate spheroid Earth  255  
2225  Scaled value of major axis of oblate spheroid Earth  255  
26  Scale factor of minor axis of oblate spheroid Earth  255  
2730  Scaled value of minor axis of oblate spheroid Earth  255  
3134  Nj—number of points along a parallel  625  
3538  Nj—number of points along a meridian  561  
3942  La1 ― latitude of first grid point  14351500  
4346  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 
4851  LaD — latitude(s) at which the Mercator projection intersects the Earth (Latitude(s) where Di and Dj are specified)  20000000  
5255  La2 ― latitude of last grid point  26860500  
5659  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) 
6164  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  
6568  Dj — longitudinal direction grid length  2500000  Grid lengths are in units of 103 m, at the latitude specified by LaD  
6972  Dj ― latitudinal direction grid length  2500000  Grid lengths are in units of 103 m, at the latitude specified by LaD 
Puerto Rico
octet(s)  content  value  meaning  notes 

14  Length of the section  72  
5  section number  3  
6  Source of grid definition  0  Specified in Code  oct 3.13  
710  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  
1314  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  
1720  Scale value of radius of spherical Earth  6371200  
21  Scale factor of major axis of oblate spheroid Earth  255  
2225  Scaled value of major axis of oblate spheroid Earth  255  
26  Scale factor of minor axis of oblate spheroid Earth  255  
2730  Scaled value of minor axis of oblate spheroid Earth  255  
3134  Nj—number of points along a parallel  339  
3538  Nj—number of points along a meridian  225  
3942  La1 ― latitude of first grid point  16977500  
4346  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 
4851  LaD — latitude(s) at which the Mercator projection intersects the Earth (Latitude(s) where Di and Dj are specified)  20000000  
5255  La2 ― latitude of last grid point  19522100  
5659  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) 
6164  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  
6568  Dj — longitudinal direction grid length  1250000  Grid lengths are in units of 103 m, at the latitude specified by LaD  
6972  Dj ― latitudinal direction grid length  1250000  Grid lengths are in units of 103 m, at the latitude specified by LaD 
Oceanic
octet(s)  content  value  meaning  notes 

14  Length of the section  72  
5  section number  3  
6  Source of grid definition  0  Specified in Code  oct 3.13  
710  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  
1314  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  
1720  Scale value of radius of spherical Earth  6371200  
21  Scale factor of major axis of oblate spheroid Earth  255  
2225  Scaled value of major axis of oblate spheroid Earth  255  
26  Scale factor of minor axis of oblate spheroid Earth  255  
2730  Scaled value of minor axis of oblate spheroid Earth  255  
3134  Nj—number of points along a parallel  2517  
3538  Nj—number of points along a meridian  1817  
3942  La1 ― latitude of first grid point  2177902848  
4346  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 
4851  LaD — latitude(s) at which the Mercator projection intersects the Earth (Latitude(s) where Di and Dj are specified)  20000000  
5255  La2 ― latitude of last grid point  80383000  
5659  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) 
6164  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  
6568  Dj — longitudinal direction grid length  10000000  Grid lengths are in units of 103 m, at the latitude specified by LaD  
6972  Dj ― latitudinal direction grid length  10000000  Grid lengths are in units of 103 m, at the latitude specified by LaD 
.
IS4: Product Definition Section
appt
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  2  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
cape
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 kg1 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
cig
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
cigp_lt1000
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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)  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability number  3  
36  Total number of forecast probabilities  7  
37  Probability type  0  Probability of event below lower limit  
38  Scale factor of lower limit  2  
3942  Scaled value of lower limit  30480  
43  Scale factor of upper limit  255  
4447  Scaled value ofupper limit  255 
cigp_lt500
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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)  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability number  2  
36  Total number of forecast probabilities  7  
37  Probability type  0  Probability of event below lower limit  
38  Scale factor of lower limit  2  
3942  Scaled value of lower limit  15240  
43  Scale factor of upper limit  255  
4447  Scaled value ofupper limit  255 
cigp_lte3000
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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)  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability number  5  
36  Total number of forecast probabilities  7  
37  Probability type  0  Probability of event below lower limit  
38  Scale factor of lower limit  2  
3942  Scaled value of lower limit  91450  
43  Scale factor of upper limit  255  
4447  Scaled value ofupper limit  255 
cldbse
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
cwasp
octet(s)  content  value  meaning  notes 

14  length of section in octets  36  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  CravenWiedenfeld 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Derived forecast  241  NotFound  
36  Number of forecasts in the ensemble  241 
dewp
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  2  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
dryts03
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous 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  
1516  Hours after reference time data cutoff  0  
17  Minutes after reference time data cutoff  0  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  0  
3942  Scaled value of lower limit  0  
43  Scale factor of upper limit  0  
4447  Scaled value of upper limit  0  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  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  
6871  Time increment between successive fields, in units defined by the previous octet  0 
dswrf
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  0  Analysis or forecast at a horizontal level or in a horizontal layer at a point in time  
10  Parameter category  4  Shortwave radiation  
11  Parameter number  7  Downward ShortWave Radiation Flux : W m2 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
echotop
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 (See Note 1) : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
ellrod
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  40000  
29  Type of second fixed surfaced  100  Isobaric Surface : Pa  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  30000 
flatice01
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  228  Flat Ice Accumulation (FRAM) : kg m2 : 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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(see Note 1)  
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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
frzspray
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  204  Ygradient of Height : m1 : HGTY  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
haines_analysis
octet(s)  content  value  meaning  notes 

14  length of section in octets  36  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  Shortwave radiation  
11  Parameter number  2  ShortWave Radiation Flux* : W m2 : SWAVR  
12  Type of generating process  0  Analysis  
13  Background generating process identifier  255  
14  Forecast generating process identified  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Derived forecast  241  NotFound  
36  Number of forecasts in the ensemble  241 
ice24_50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  59  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  10  Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  228  Flat Ice Accumulation (FRAM) : kg m2 : FICEAC  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identifier  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50  
3637  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 overall time interval  0  
42  Second of end of overall time interval  varies  
43  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4447  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(see Note 1)  
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  
5154  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  
5659  Time increment between successive fields, in units defined by the previous octet  24 
ice24prb001
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  228  Flat Ice Accumulation (FRAM) : kg m2 : FICEAC  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identifier  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  255  
3942  Scaled value of lower limit  255  
43  Scale factor of upper limit  3  
4447  Scaled value of upper limit  254  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  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  
6871  Time increment between successive fields, in units defined by the previous octet  0 
ice48_50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  59  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  10  Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  228  Flat Ice Accumulation (FRAM) : kg m2 : FICEAC  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identifier  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50  
3637  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 overall time interval  0  
42  Second of end of overall time interval  varies  
43  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4447  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(see Note 1)  
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  
5154  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  
5659  Time increment between successive fields, in units defined by the previous octet  48 
ice48prb001
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  228  Flat Ice Accumulation (FRAM) : kg m2 : FICEAC  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identifier  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  255  
3942  Scaled value of lower limit  255  
43  Scale factor of upper limit  3  
4447  Scaled value of upper limit  254  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  Length of the time range over which statistical processing is done, in units defined by the previous octet  48  
67  Indicator of unit of time for the increment between the successive fields used  1  Hour  
6871  Time increment between successive fields, in units defined by the previous octet  0 
ice72_50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  59  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  10  Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  228  Flat Ice Accumulation (FRAM) : kg m2 : FICEAC  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identifier  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50  
3637  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 overall time interval  0  
42  Second of end of overall time interval  varies  
43  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4447  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(see Note 1)  
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  
5154  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  
5659  Time increment between successive fields, in units defined by the previous octet  72 
ice72prb001
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  228  Flat Ice Accumulation (FRAM) : kg m2 : FICEAC  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identifier  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  255  
3942  Scaled value of lower limit  255  
43  Scale factor of upper limit  3  
4447  Scaled value of upper limit  254  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  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  
6871  Time increment between successive fields, in units defined by the previous octet  0 
llturb
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  103  Specified Height Level Above Ground : m  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  1372 
llwsdir
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  103  Specified Height Level Above Ground : m  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  610 
llwshgt
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  103  Specified Height Level Above Ground : m  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  610 
llwsspd
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 s1 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  103  Specified Height Level Above Ground : m  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  610 
maxffwi
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous time interval  
10  Parameter category  4  Shortwave radiation  
11  Parameter number  4  Brightness Temperature : K : BRTMP  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  2  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
maxhi
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous time interval  
10  Parameter category  4  Shortwave radiation  
11  Parameter number  2  ShortWave Radiation Flux* : W m2 : SWAVR  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
maxref
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  1000  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
maxrh
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  2  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
maxt
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  2  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
mixhgt
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
mslp_cdf50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  35  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50 
mxwbalft
octet(s)  content  value  meaning  notes 

14  length of section in octets  37  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  15  Average, accumulation, extreme values or other statisticallyprocessed values over a spatial area at a horizontal level or in a horizontal layer at a point in time  
10  Parameter category  0  Temperature  
11  Parameter number  27  Wet Bulb Temperature : K : WETBT  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  610  
29  Type of second fixed surfaced  100  Isobaric Surface : Pa  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  40000  
35  Statistical process used within the spatial area defined by octet 36  241  NotFound  
36  Type of spatial processing used to arrive at given data value from source data  241  NotFound  
37  Number of data points used in spatial processing defined in octet 36  241 
negengy
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  201  Bourgoiun Negative Energy Layer (surface to freezing level) : J kg1 : BNEGELAY  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  4  Level of 0oC Isotherm  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
pdur
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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(see Note 1)  
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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
pop06
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  8  Total Precipitation *** : kg m2 : APCP  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identifier  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  255  
3942  Scaled value of lower limit  255  
43  Scale factor of upper limit  3  
4447  Scaled value of upper limit  254  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  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  
6871  Time increment between successive fields, in units defined by the previous octet  0 
posengy
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  202  Bourgoiun Positive Energy Layer (2k ft AGL to 400 hPa) : J kg1 : BPOSELAY  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  610  
29  Type of second fixed surfaced  100  Isobaric Surface : Pa  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  40000 
prb0p25frzn
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  53  Total Snowfall Rate Water Equivalent ** : kg m2s1 : TSRWE  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identifier  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  255  
3942  Scaled value of lower limit  255  
43  Scale factor of upper limit  7  
4447  Scaled value of upper limit  735  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  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  
6871  Time increment between successive fields, in units defined by the previous octet  0 
predomwx
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  Pblackominant Weather (see Note 1) : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  0  Reserved  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
prfzrn
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability 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 lower limit  0  
3942  Scaled value of lower limit  3  
43  Scale factor of upper limit  0  
4447  Scaled value ofupper limit  4 
probiceprsnt
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  232  Probability Cloud Ice Present : % : PROBCIP  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identified  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability number  1  
36  Total number of forecast probabilities  1  
37  Probability type  3  Probability of event above lower limit  
38  Scale factor of lower limit  0  
3942  Scaled value of lower limit  0  
43  Scale factor of upper limit  255  
4447  Scaled value ofupper limit  255 
probrefzslt
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability 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 lower limit  0  
3942  Scaled value of lower limit  8  
43  Scale factor of upper limit  0  
4447  Scaled value ofupper limit  9 
prrain
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability 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 lower limit  0  
3942  Scaled value of lower limit  1  
43  Scale factor of upper limit  0  
4447  Scaled value ofupper limit  2 
prsleet
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability 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 lower limit  0  
3942  Scaled value of lower limit  8  
43  Scale factor of upper limit  0  
4447  Scaled value ofupper limit  9 
prsnow
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability 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 lower limit  0  
3942  Scaled value of lower limit  5  
43  Scale factor of upper limit  0  
4447  Scaled value ofupper limit  7 
ptstm06
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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(see Note 1)  
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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
qpf06
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous time interval  
10  Parameter category  1  Moisture  
11  Parameter number  8  Total Precipitation *** : kg m2 : 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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(see Note 1)  
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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
rh
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  2  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
sigwv
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  3  PseudoAdiabatic Potential Temperature (or Equivalent Potential Temperature) : K : EPOT  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
sky
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
slrblend
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 kg1 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
snow06
octet(s)  content  value  meaning  notes 

14  length of section in octets  58  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
3536  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  n  number of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4346  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(see Note 1)  
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  
5053  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  
5558  Time increment between successive fields, in units defined by the previous octet  0 
snow24_50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  59  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  10  Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50  
3637  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 overall time interval  0  
42  Second of end of overall time interval  varies  
43  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4447  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(see Note 1)  
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  
5154  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  
5659  Time increment between successive fields, in units defined by the previous octet  24 
snow24prb180
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  255  
3942  Scaled value of lower limit  255  
43  Scale factor of upper limit  4  
4447  Scaled value of upper limit  4572  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  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  
6871  Time increment between successive fields, in units defined by the previous octet  0 
snow48_50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  59  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  10  Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50  
3637  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 overall time interval  0  
42  Second of end of overall time interval  varies  
43  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4447  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(see Note 1)  
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  
5154  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  
5659  Time increment between successive fields, in units defined by the previous octet  48 
snow48prb180
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  255  
3942  Scaled value of lower limit  255  
43  Scale factor of upper limit  4  
4447  Scaled value of upper limit  4572  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  Length of the time range over which statistical processing is done, in units defined by the previous octet  48  
67  Indicator of unit of time for the increment between the successive fields used  1  Hour  
6871  Time increment between successive fields, in units defined by the previous octet  0 
snow72_50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  59  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  10  Percentile forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50  
3637  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 overall time interval  0  
42  Second of end of overall time interval  varies  
43  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
4447  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(see Note 1)  
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  
5154  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  
5659  Time increment between successive fields, in units defined by the previous octet  72 
snow72prb180
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous 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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  255  
3942  Scaled value of lower limit  255  
43  Scale factor of upper limit  4  
4447  Scaled value of upper limit  4572  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  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  
6871  Time increment between successive fields, in units defined by the previous octet  0 
snowlvl
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
spc_sref_dryts03
octet(s)  content  value  meaning  notes 

14  length of section in octets  71  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  product template  9  Probability forecasts at a horizontal level or in a horizontal layer in a continuous or noncontinuous 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  
1516  Hours after reference time data cutoff  0  
17  Minutes after reference time data cutoff  0  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  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 lower limit  0  
3942  Scaled value of lower limit  0  
43  Scale factor of upper limit  0  
4447  Scaled value of upper limit  0  
4849  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  nnumber of time ranges specifications describing the time intervals used to calculate the statisticallyprocessed field  1  
5659  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(see Note 1)  
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  
6366  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  
6871  Time increment between successive fields, in units defined by the previous octet  0 
sst
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
temp
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  2  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
trwdir
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  NotFound  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
trwspd
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  NotFound  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
vil
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  VerticallyIntegrated Liquid Water : kg m2 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
vis
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
vis_cdf50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  35  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50 
visp_lt1
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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)  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability number  2  
36  Total number of forecast probabilities  6  
37  Probability type  0  Probability of event below lower limit  
38  Scale factor of lower limit  2  
3942  Scaled value of lower limit  160934  
43  Scale factor of upper limit  255  
4447  Scaled value ofupper limit  255 
visp_lt3
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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)  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability number  4  
36  Total number of forecast probabilities  6  
37  Probability type  0  Probability of event below lower limit  
38  Scale factor of lower limit  2  
3942  Scaled value of lower limit  482803  
43  Scale factor of upper limit  255  
4447  Scaled value ofupper limit  255 
visp_lte5
octet(s)  content  value  meaning  notes 

14  length of section in octets  47  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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)  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Forecastprobability number  5  
36  Total number of forecast probabilities  6  
37  Probability type  0  Probability of event below lower limit  
38  Scale factor of lower limit  2  
3942  Scaled value of lower limit  804673  
43  Scale factor of upper limit  255  
4447  Scaled value ofupper limit  255 
vrate
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  NotFound  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  0  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
wdir
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  10  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
tropical_blend
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  NotFound  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  10  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
wdir30
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  30  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  255  
3134  Scaled value of second fixed surfaces  4294967295 
wdir30_cdf50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  35  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  30  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  255  
3134  Scaled value of second fixed surfaces  4294967295  
35  Percentile value  50 
wdir_cdf50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  35  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  10  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50 
wgust
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 s1 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  10  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
gust_cdf50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  35  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 s1 : GUST  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identified  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  10  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50 
wspd
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 s1 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  10  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
tropical_blend
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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  NotFound  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Analysis or forecast generating process identified  104  National Blend GRIB  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  10  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
wspd10_cdf50p
octet(s)  content  value  meaning  notes 

14  length of section in octets  35  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 s1 : WIND  
12  Type of generating process  2  Forecast  
13  Background generating process identifier  255  
14  Forecast generating process identified  104  National Blend GRIB  
1516  Hours after reference time data cutoff  65535  
17  Minutes after reference time data cutoff  255  
18  Indicator of unit of time range  1  Hour  
1922  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  
2528  Scaled value of first fixed surface  10  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0  
35  Percentile value  50 
wspd30
octet(s)  content  value  meaning  notes 

14  length of section in octets  34  
5  section number  4  
67  Number of coordinate values after template  0  no vertical discretization has occured for this data  
89  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 s1 : 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  
1516  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  
1922  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  
2528  Scaled value of first fixed surface  30  
29  Type of second fixed surfaced  255  Missing  
30  Scale factor of second fixed surface  0  
3134  Scaled value of second fixed surfaces  0 
IS5: Data Representation Section
Standard (all except tstm03 / tstm06)
octet(s)  content  value  meaning  notes 

14  length of section in octets  49  
5  section number  5  
69  "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)  
1011  template number  3  Grid Point Data  Complex Packing and Spatial Differencing  
1215  Reference value (R) (IEEE 32bit floatingpoint value)  varies  
1617  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 

1819  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  
2427  Primary missing value substitute  9999  
2831  Secondary missing value substitute  0  
3235  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  
3841  Reference for group lengths  1  may vary; probrefzslt has value 2147483647  
42  Length increment for the group lengths  1  may vary  
4346  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  SecondOrder Spatial Differencing  
49  Number of octets required in the data section to specify extra descriptors needed for spatial differencing (octets 6ww in data template 7.3)  varies  usually 12 
tstm03 / tstm06
octet(s)  content  value  meaning  notes 

14  length of section in octets  21  
5  section number  5  
69  "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  
1011  template number  0  Grid Point Data  Complex Packing and Spatial Differencing  
1215  Reference value (R) (IEEE 32bit floatingpoint value)  varies  
1617  Binary scale factor (E)  0  may vary  
1819  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  notes 

14  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 

14  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  meaning  notes 

14  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  meaning  notes 

14  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 

14  7777  [END] 
Coded according to the International Alphabet Number 5. 