Gridded MOS Change Log

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MOS Change Log

DATE	CYCLE	CHANGES	NWS Notifications
TBD (Spring 2016)	1200 UTC	We are implementing updates to the NAM MOS Temp/wind guidance to include output from the latest version of the NAM model (v3.1). Due to changes in the reporting habits of individual sites and data available for development, certain sites will be gaining or losing temperature and/or wind guidance for the seasons listed.	TBD
January 13, 2016	1200 UTC	MDL implements NAM MOS guidance for thunderstorms/severe weather, precipitation type and snowfall amount. In addition, this update introduces new NAM MOS probabilistic and categorical guidance for cool-season precipitation type. Details about January 13, 2006 changes	TIN 15-33
March 24, 2015	1200 UTC	MDL implements a refresh of the GFS-based MOS guidance in response to the January 14 GFS model upgrade. This update includes redeveloped warm season MOS equations and station changes to text and BUFR products. Details About March 24, 2015 Changes	TIN 15-09
January 14, 2015	1200 UTC	MDL implements a refresh of the GFS-based MOS guidance to coincide with the GFS model upgrade. This update includes redeveloped MOS equations and station changes to text and BUFR products. Details About January 14, 2015 Changes	TIN 14-47
April 8, 2014	1200 UTC	MDL adds Predominant Weather, Precipitation Type, and Probability of Precipitation Occurrence to 2.5 km Gridded GFS-MOS product suite for the 0000 UTC and 1200 UTC cycles. GRIB2 files are disseminated across the Satellite Broadcast Network (SBN) and sent to experimental National Digital Guidance Database (NDGD) on the NWS ftp server. WMO Headings Docs: CONUS Header Data (PDF) \| Alaska Header Data (PDF)	TIN 13-49
November 5, 2013	1200 UTC	MDL begins producing GFS MOS extended-range mean total sky cover for the 1200 UTC cycle and updates 0000 UTC mean total sky cover. Details About November 5, 2013 Changes	TIN 13-20
November 5, 2013	1200 UTC	MDL begins producing GFS MOS total sky cover and ceiling guidance for 15 stations in the western Pacific Ocean. TPB On Sky Cover and Ceiling (PDF)	TIN 13-22
November 5, 2013	1200 UTC	MDL implements new GFS MOS wind speed/direction equations for the cool season.	TIN 13-30
December 5, 2012	1200 UTC	MDL begins dissemination of experimental 2.5 km Gridded MOS across the Satellite Broadcast Network (SBN) and NOAAPORT. The experimental NWS FTP server continues to be populated with GRIB2 data, but they will now contain WMO headers. WMO Headings Doc (PDF)	TIN 12-09
Sept 5, 2012	1200 UTC	EMC implements fix to the GFS Land Surface Model to improve cool and moist bias in the near surface air temprature and moisture fields during the warm season.	TIN 12-42
June 12, 2012	1200 UTC	MDL implements new GFS MOS wind speed/direction equations for the warm season.	TIN 12-25
May 22, 2012	1200 UTC	EMC upgrades GFS data assimilation to a hybrid variational/ensemble-KF (Kalman Filter) system. More details can be found on the EMC Model Changes Page	N/A
March 13, 2012	1200 UTC	MDL replaces traditional Gridded MOS POP/QPF (2.5-km CONUS) with High Resolution MOS POP/QPF guidance.	TIN 12-12
February 27, 2012	1200 UTC	MDL begins producing Gridded MOS for CONUS on the 2.5 km NDGD grid.	PNS
May 9, 2011	1200 UTC	EMC implements changes to the GFS Global Data Assimilation System (GDAS) as well as various GFS model changes ("bugfix"). For full details, please see the EMC Model Changes Page	N/A
November 9, 2010	1200 UTC	MDL begins producing Gridded MOS for Hawaii on the 2.5 km NDGD grid.	TIN 10 -27
August 3, 2010	1200 UTC	MDL will change the sky cover guidance in the GFS MOS BUFR products from total sky cover to opaque sky cover. Additionally, precipitation type and snowfall guidance will be added to the extended-range GFS MOS BUFR product, and many other elements will be extended out to 264 h. MOS BUFR documentation.	TIN 10 -20
March 30, 2010	1200 UTC	MDL makes the following modifications to the CONUS GFS-based gridded MOS guidance: Addition of extended-range (out to 156-h) 24-hr Snowfall Amount for the 1200 UTC cycle. Addition of two (2) forecast projections for 24-hr Snowfall amount (out to 156-h) for the 0000 UTC cycle. Modify the CONUS output mask for all elements except 24-hr Snowfall Amount. Additionally, MDL will now produce 24-hr Snowfall Amount guidance (out to 156-h) for 0000 and 1200 UTC cycles for Alaska GFS-based gridded MOS.	TIN 10-04
March 3, 2010	1200 UTC	MDL adds 289 sites to and removes 29 from the GFS MOS BUFR and text products. Additionally, MDL implements new equations for maximum/minimum temperature, 2-m temperature and dewpoint, wind speed/direction, wind gusts, probability of thunderstorms, ceiling height, 24-h snowfall, and conditional precipitation type. Station information for March 3, 2010	TIN 09-39
January 12, 2010	1200 UTC	MDL begins producing GFS-based gridded MOS 6- and 12-hr QPF and 24-hr Snowfall Amount guidance for Alaska.	TIN 10-04
March 3, 2009	1200 UTC	MDL removes the NGM MOS guidance and all associated products. This includes the NGM-based trajectory model as well. This removal coincides with the removal of the NGM model and all associated products. A list of MDL's NGM-based products (2009) is available along with suggested replacement products.	TIN 08-90
December 16, 2008	1200 UTC	MDL begins producing GFS-based gridded MOS 6- and 12-hr POP, wind speed, direction and gusts, and sky cover guidance for Alaska.	TIN 08-69
December 9, 2008	1200 UTC	MDL replaces the Eta MOS with a new NAM-based MOS package.	TIN 08 -89
September 16, 2008	1200 UTC	MDL adds temperature and dewpoint temperature to the Pacific MOS guidance.	TIN 08-55
August 12, 2008	1200 UTC	MDL stops the cycle-averaging of station data in the GFS-based CONUS gridded MOS wind forecasts. Details About August 12, 2008 Changes	N/A
June 10, 2008	1200 UTC	MDL begins producing Gridded MOS guidance for Alaska on the 3 km NDFD grid.	TIN 07-82
May 1, 2008	0000 UTC	MDL begins producing GFS-based thunderstorm and severe weather MOS guidance for Alaska and including it in the MAV/MEX text products and GFS BUFR products.	TIN 08-10
Dec 18, 2007	1200 UTC	MDL makes modifications to the CONUS gridded MOS guidance -- 1) new land/water mask, 2) new QPF analysis scheme, and 3) removal of problem stations from analysis. Details About December 18, 2007 Changes	N/A
Sept 11, 2007	1200 UTC	MDL updates max/min climate normals for the CONUS stations in the MEX text product and increases the number of stations in the GFS-based visibility, obstruction to vision and probability of precipitation occurrance guidance.	TIN 07-42
June 5, 2007	1200 UTC	MDL replaces Total Sky Cover guidance in short-range GFS MAV MOS with new Opaque Sky Cover guidance. Verification for MAV MOS Sky Cover, 2007	TIN 07 -34
June 5, 2007	1200 UTC	MDL adds opaque sky cover, wind gusts, 24-h snowfall, and 6-h and 12-h Quantitative Precipitation Forecasts (QPF) to the Gridded MOS system. Also, MDL upgrades processing of previously existing elements, and expands forecast guidance coverage.	TIN 06-87
April 24, 2007	1200 UTC	MDL adds Probability of Precip (POP) and Probability of Precip Occurrance (POPO) to the GFS MOS guidance for the 15 island locations in the Western Pacific Ocean.	TIN 07-07
August 15, 2006	1200 UTC	MDL begins producing Gridded MOS guidance on the 5km NDFD grid. Details for August 15, 2006 Changes	TIN 05-56
August 15, 2006	1200 UTC	MDL removes obsolete short-range GFS BUFR products.	TIN 06-48
August 15, 2006	1200 UTC	MDL adds 88 stations to the GFS MOS BUFR and text products. New station list, 2006	TIN 06-32 TIN 06-33
July 11, 2006	1200 UTC	MDL modifies GFS-based extended-range wind guidance and adds WND to 12Z MEX text product.	TIN 06 -21
June 20, 2006	1200 UTC	The NWS will run an interim 32-km Eta model for the 0000 and 1200 UTC forecast cycles. Model output from this Eta run will be used as input to the Eta MOS. Direct Eta model output will no longer be available on NWS servers.	TIN 06-40
June 20, 2006	1200 UTC	MDL implements new maximum/minimum temperature, 2-m temperature, dew point, wind, and wind gust equations to generate guidance for all cycles of the GFS-based short- and extended-range MOS guidance. This should reduce the differences between the accuracy and character of the 00Z and 12Z MOS guidance. In addition, about 90 new stations were added to the equations. These new stations will be available in August 2006 - See Above.	N/A
June 20, 2006	1200 UTC	MDL adds GFS-based maximum/minimum temperature guidance text product for Alaskan RFC.	TIN 06-16
June 20, 2006	1200 UTC	MDL changes the inflation technique applied to the wind speed forecasts in the GFS- and Eta-based MOS guidance. We will no longer inflate wind speed forecasts, when the forecasts are below the mean wind speed. The result will be fewer forecasts of calm winds. Wind speeds forecast above the mean wind speed will still be inflated. Details About June 20, 2006 Changes (PDF)	N/A
May 30, 2006	1200 UTC	MDL modifies experimental ensemble messages to respond to NCEP's global ensemble upgrade.	N/A
Apr 25, 2006	1200 UTC	MDL's probability of thunderstorm guidance now based on a 40km grid instead of the original 47km grid. Thunderstorm guidance now available out to 192 hours in 1200 UTC MEX text product.	TIN 06-17
Nov 1, 2005	1200 UTC	MDL adds visibility and obstruction to vision guidance to the Eta MOS.	TIN 05-43
Nov 1, 2005	1200 UTC	MDL changes the station identifier for Kalispell, MT from KFCA to KGPI in our GFS and Eta-based text products. The NGM-based text product will change from FCA to GPI.	TIN 05-59
Oct 11, 2005	1200 UTC	MDL begins producing new extended-range GFS-based MOS BUFR products at 0000 and 1200 UTC.	TIN 05- 45
Sept 27, 2005	1200 UTC	MDL removes obsolete NGM-MOS-based Redbook graphics.	TIN 05-52
Sept 27, 2005	1200 UTC	MDL adds extended-range GFS-based text product for US and Canadian sites for the 1200 UTC model run.	TIN 05-42
June 7, 2005	1200 UTC	MDL adds wind speed and direction guidance for 13 island locations in the Western Pacific Ocean to the GFS-based short-range MOS at 0000 and 1200 UTC.	TIN 05-08
April 19, 2005	1200 UTC	MDL adds wind speed and direction guidance for 2 Pacific Ocean sites to the GFS-based short-range MOS at 0000 and 1200 UTC.	TIN 05-07
February 8, 2005	1200 UTC	MDL modifies GFS-based short-range MOS guidance BUFR products. Details on Short-range MOS BUFR Product (2005)	N/A
February 8, 2005	1200 UTC	MDL begins disseminating Eta-based MOS guidance in BUFR format. Details on MOS Eta BUFR Product (2005)	N/A
February 8, 2005	1200 UTC	MDL begins Eta-based MOS temperature and wind guidance for marine sites. Details on Marine Eta MOS (2005)	N/A
February 8, 2005	1200 UTC	MDL sends GFS-based max/min MOS guidance for cooperative observer sites on the SBN. 1200 UTC cycle extended-range message added. Details on COOP station MOS (2005).	N/A
January 11, 2005	1200 UTC	All NGM-based trajectory products removed except for Redbook graphics of net vertical displacements and trajectories.	TIN 04-59
November 18, 2004	1200 UTC	Graphical depictions of the GFS- and Eta-based snowfall forecasts are added to our webpages.	N/A
September 21, 2004	1200 UTC	Air temperature and dew point temperature added to the GFS MOS marine text products.	N/A
September 21, 2004	1200 UTC	Change to Dennison, TX station identifier in short- and extended-range GFS MOS text products.	TIN 04-29
September 21, 2004	1200 UTC	Several modifications made to GFS-based RFC MOS max/min temperature text product format and station content.	TIN 04-28
September 21, 2004	1200 UTC	NGM MOS BUFR messages no longer segmented internally.	TIN 04-31
May 26, 2004	0000 UTC	Extended-range GFS MOS guidance production time moved from 0700 UTC to 0500 UTC.	TIN 04-11
May 25, 2004	1200 UTC	MDL officially started producing short- and extended-range GFS-based COOP MOS max/min temperature text products. Test guidance had been available since December 2003. Products also made available on NWS FTP server.	N/A
May 18, 2004	1200 UTC	GFS short-range MAV MOS visibility, ceiling height, and sky cover definitions changed.	TIN 04-09
April 20, 2004	1200 UTC	MDL adds 66-hr and 72-hr forecasts added to Eta MET text message.	N/A
February 24, 2004	1200 UTC	Changes are being made to the Eta MOS content, including the format of the bulletin and the stations available. Snowfall amount and ceiling height guidance are being added. All the details of the February 2004 Eta changes are outlined Details on February 24, 2004 Changes	N/A
February 17, 2004	1200 UTC	The Eta MOS forecast equations have been updated. As a result, the guidance delivery time will be delayed by approximately 30 minutes. In addition, some of the sites in the messages have been modified. All the details are outlined Details on February 17, 2004 Changes	N/A
December 19, 2003	1200 UTC	MDL begins producing test forecasts of GFS MOS maximum/minimum temperature guidance based on data from cooperative observer network data. At this time the guidance is available only on our webpage. All the details are outlined. Details on December 19, 2003 Changes	N/A
December 16, 2003	1200 UTC	MDL makes several significant changes to the GFS MOS, including new stations, new equations, new snowfall amount forecasts, and unifying the AVN and MRF MOS into the GFS MOS system. All the details are outlined. Details on December 16, 2003 Changes	N/A
May 6, 2003	1200 UTC	MDL began producing new Marine MOS wind guidance based on the GFS model.	N/A
April 8, 2003	0000 UTC	The obsolete MRF MOS products (AWIPS category FMR) were removed from production. The alphanumeric, grib, and graphics products are no longer available. These products have been replaced with the improved MRF MOS (AWIPS category MEX) guidance.	N/A
October 1, 2002	0000 UTC	Improved AVN POP and QPF guidance for Hawaii will be implemented on October 1, 2002. Details on October 1, 2002 Changes	N/A
September 18, 2002	0000 UTC	New medium range wind guidance is being added to the MRF MOS messages. Details on September 18, 2002 Changes	N/A
September 17, 2002	1200 UTC	Visibility and obstruction to vision will be added to the 0600/1800 UTC AVN MOS guidance, and the probability of precipitation occurrence (PoPO) will be added for all four cycles of the AVN-based MOS guidance. Details on Changes to AVN MOS (September 2002)	N/A
September 17, 2002	1200 UTC	Eta-based MOS guidance is being updated to include new thunderstorm and severe weather guidance. Details on Changes to Eta MOS (September 2002)	N/A
September 16, 2002	-----	Changed Text Message by Station List web page forms posting method from POST to GET to allow automated retrieval and easier bookmarking. Details on Changes on Data Retrieval (2002)	N/A
August 21, 2002	-----	All MDL data available via ftp will be moved from tgsv1.nws.noaa.gov to tgftp.nws.noaa.gov. Details on FTP server move (2002)	N/A
July 30, 2002	1200 UTC	MDL adds climatological values of max/min temperature and PoP for some sites to the MRF MEX MOS message. Details on July 30, 2002 Changes	N/A
July 25, 2002	1200 UTC	NCEP has scheduled their quarterly test of their back-up systems. Some 1200 UTC products may be disseminated late or not at all.	N/A
June 11, 2002	1200 UTC	MDL starts disseminating new MOS guidance based on the Eta model. Details on New Eta MOS	N/A
May 21, 2002	1800 UTC	A correction is made to the 12-h PoP and QPF forecasts for the Hawaiian sites in the 0600 and 1800 UTC AVN MAV alphanumeric messages.	N/A
May 14, 2002	1200 UTC	Updated FOUS12 guidance is produced for the remaining four RFCs. Day 11 minimum temperatures added to all 9 RFC messages.	N/A
April 30, 2002	0000 UTC	The obsolete AVN MOS products (AWIPS category FAN) will be removed from production. The alphanumeric, grib, and graphics products will no longer be available after April 30, 2002. These products have been replaced with the improved AVN MOS (AWIPS category MAV) guidance.	N/A
April 24, 2002	0000 UTC	On March 6, 2002, NCEP changed the configuration of the Global Forecast System (GFS) to provide four runs of the Global Spectral Model for forecast projections out to 384 hours. Since the changes made on March 6 provide four extended runs of the GFS, NCEP is terminating the MRF, effective April 24, 2002. The impact of these changes on the current suite of AVN and MRF MOS guidance is minimal. Details on Major MOS Changes (Spring 2002)	N/A
April 18, 2002	1800 UTC	MDL has begun producing QPF guidance as part of the 0600 and 1800 UTC AVN MAV MOS package.	N/A
April 4, 2002	0000 UTC	NCEP has scheduled a test of their back-up systems. Therefore 0000 UTC NGM and AVN MOS are expected to be disseminated approximately 6 hours late.	N/A
April 2, 2002	1400 UTC	MDL's webpages will be moved to the NWS's upgraded web server. Details on MDL web page move (2002)	N/A
April 2, 2002	1200 UTC	MDL will begin producing MOS guidance for max/min temperature, surface temperature, dewpoint, and cloud cover as part of the experimental Eta MOS package. Details on Changes to Eta MOS (April 2002)	N/A
April 2, 2002	1200 UTC	MDL will begin putting graphical images of the AVN MAV, MRF MEX and experimental ETA MOS forecasts on the webpage. Details about Graphical Products (2002)	N/A
March 21, 2002	1200 UTC	MDL begins putting experimental Eta MOS text messages on the webpage. Details on Experimental Eta MOS (2002)	N/A
January 22, 2002	1200 UTC	MDL adds 323 new sites to the new AVN and MRF MOS guidance. New Stations (January 2002)	N/A
December 11, 2001	1200 UTC	FOUS12 max/min guidance for the North Central RFC has been converted from the old NGM/MRF MOS to the new AVN/MRF MOS.	N/A
November 27, 2001	1800 UTC	Maximum/minimum temperature, surface temperature, dew point, probability of thunderstorms, and conditional probability of severe thunderstorm guidance added to the 0600/1800 UTC AVN MOS. Details on November 27, 2001 Changes	N/A
November 27, 2001	1200 UTC	Updated equations for maximum/minimum temperature, surface temperature, and dew point are implemented for the 0000/1200 UTC AVN MOS guidance.	N/A
October 30, 2001	1800 UTC	Probability of Precipitation (PoP) will be added to the 0600/1800 UTC AVN MOS guidance. Details about Recent and Upcoming Changes (Oactober 2001)	N/A
October 16, 2001	1800 UTC	MDL began producing new 0600/1800 UTC AVN MOS guidance packages for the same sites and in the same format as the current 0000/1200 UTC packages, but not all elements are currently available. Please note that the same product identifiers are used as with the 0000/1200 UTC packages. Details about October 16, 2001 Changes	N/A
October 10, 2001	1200 UTC	The 1200 UTC AVN MOS guidance will NOT be available on Wednesday, October 10th, 2001 due to the NCEP site outage backup test. Details on NCEP Outage (Oct 2001)	N/A
September 25, 2001	1200 UTC	MDL has begun producing new Air Force alphanumeric bulletins. These products do not contain any new guidance, but are a repackaging of existing MEX or MAV messages for a subset of stations. Details on new Air Force products	N/A
July 24, 2001	1200 UTC	MDL has begun producing guidance for categorical forecasts of precipitation amount (QPF) in the AVN MOS alphanumeric messages. In addition, the equations used to produce the visibility and obstruction to vision guidance have been updated. Details on July 24, 2001 Changes	N/A
June 25, 2001	1200 UTC	MDL has begun producing test AVN MAV alphanumeric messages containing QPF guidance. Details on new AVN MAV products	N/A
June 19, 2001	1200 UTC	The 1200 UTC AVN MOS guidance will NOT be available on Tuesday, June 19th, 2001 due to the NCEP site outage backup test. Details on NECP Outage (Jun 2001)	N/A
May 15, 2001	1200 UTC	NCEP's changes to the physics package of the Global Spectral Model expected to impact the new AVN and MRF MOS.Details on Changes to NCEP Model Physics (2001)	N/A
May 9, 2001	0000 UTC	12- and 24-h Probability of Thunderstorms added to the MRF MOS guidance. Details on May 9, 2001 Changes	N/A
May 2, 2001	1200 UTC	Updated FOUS12 max/min temp guidance for RFCs is produced and disseminated.	N/A
April 3, 2001	1200 UTC	BUFR messages containing new AVN(MAV) and MRF(MEX) MOS forecasts are produced and disseminated. Details on MOS BUFR	N/A
April 1, 2001	0000 UTC	Warm season AVN MAV/MRF MEX forecast equations take effect. Details of Seasonal Changes to MOS	N/A
March 16, 2001	0000 UTC	Spring AVN MAV thunderstorm and severe weather equations take effect.	N/A
February 27, 2001	0000 UTC	Experimental MOS guidance based on output from the 0000 UTC Ensemble runs of the MRF made available. Details on February 27, 2001 Changes	N/A
February 12, 2001	1200 UTC	Enhancements made to AVN Visibility, Obstruction to Vision, and Conditional Probability of Severe Thunderstorm guidance. Details on Feb 12, 2001 Changes	N/A
October 10, 2000	1200 UTC	Visibility and Obstruction to Vision guidance added to AVN MOS.	N/A
October 8, 2000	----	NWS Headquarters restructure effective. TDL becomes the Meteorological Development Laboratory (MDL). The Synoptic Scale Techniques Branch (SSTB) becomes the Statistical Modeling Branch.	N/A
October 4, 2000	0000 UTC	Precipitation Type and Mean Total Sky Cover added to the MRF MOS.	N/A
September 20, 2000	1200 UTC	Severe Weather and Probability of Precipitation (PoP) added to AVN MOS. Details on Sep 20, 2000 Changes	N/A
July 19, 2000	0000 UTC	Probability of Precipitation (PoP) and Quantitative Precipitation Forecasting (QPF) added to MRF MOS. Details on July 19, 2000 Changes	N/A
July 18, 2000	1200 UTC	Precipitation Type and Total Sky Cover added to AVN MOS. Details on July 18, 2000 Changes	N/A
May 31, 2000	0000 UTC	New MRF MOS issued including Maximum/Minimum Temperature, Temperature, and Dewpoint. Details on MRF MOS (includes AWIPS ID and WMO Headers)	N/A
May 30, 2000	1200 UTC	New AVN MOS issued including Maximum/Minimum Temperature, Temperature, Dewpoint, and Winds. Details on AVN MOS (includes AWIPS ID and WMO Headers)	N/A
August 1999	----	Synoptic Scale Techniques Branch (SSTB) of TDL enhances webpage at "www.nws.noaa.gov/mdl/synop".	N/A

EKDMOS Change Log

DATE	Grid	Details	Software Version
March 27, 2012	CONUS	Initial implementation begins its parallel production test	1.0.0
March 27, 2012	Alaska	Initial implementation begins its parallel production test	1.0.0
April 30, 2012	CONUS	Initial implementation becomes operational with the 12Z cycle	1.0.0
April 30, 2012	Alaska	Initial implementation becomes operational with the 12Z cycle	1.0.0
April 21, 2015	CONUS	EKDMOS grids begin to be disseminated via the SBN with the 12Z cycle	1.0.0
April 21, 2015	Alaska	EKDMOS grids befin to be disseminated via the SBN with the 12Z cycle	1.0.0
December 2, 2015	CONUS	Updated GEFS and NAEFS spread-skill equations are implemented along side the updated GEFS, beginning with the 12Z cycle	1.1.0
December 2, 2015	Alaska	Updated GEFS and NAEFS spread-skill equations are implemented along side the updated GEFS, beginning with the 12Z cycle	1.1.0
January 6, 2016	CONUS	The EKDMOS CONUS grid is expanded northward to support the NWRFC and the NBM.	1.1.1
November 15, 2016	Alaska	The EKDMOS Alaska grid is expanded northward and eastward to support the NWRFC and the NBM.	2.0.0
November 15, 2016	Hawaii	Initial implementation of probabilistic gridded guidance for 2-m temperature, dewpoint, daytime maximum temperature and nighttime minimum temperature. Grids are for input for the NBM and will not be disseminated on the SBN. Gridded products will be available on MDL's download server.	2.0.0
November 15, 2016	Puerto Rico	Initial implementation of probabilistic gridded guidance for 2-m temperature, dewpoint, daytime maximum temperature and nighttime minimum temperature. Grids are for input for the NBM and will not be disseminated on the SBN. Gridded products will be available on MDL's download server.	2.0.0
July 18, 2018	CONUS	Expanded clipping mask to cover the off-shore marine zones off the west coast of the CONUS. Intermediate grids have been updated to cover the entire domain to support the National Blend of Models V3.0. This change will be transparent to users."	2.1.1
October 3, 2018	Alaska	Intermediate grids have been updated to cover the entire domain to support the National Blend of Models V3.1. This change will be transparent to users."	2.2.0

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