Extended-range GFS MOS Products

GFS-based forecast guidance from 24 to 192 hours in advance, for over 1600 stations in the United States, including Alaska and Hawaii. This message is created twice a day, at 0000 and 1200 UTC. For more information, please see the About MEX page. 

MEX Graphics

Attention users: Due to discontinuation of deprecated GRIB1 files used in MOS image generation, these products will be discontinued on or about Tuesday, November 5, 2019. MOS text bulletin data will continue to be available. We apologize for any inconvenience this may cause.

Data Download

Full Text Messages

MEX Full Text Messages will be available in the following directory, in the following directory/files:
gfsmos.YYYYMMDD/mdl_gfsmex.tCCz, where YYYYMMDD is the run datestamp, and CC is the cycle.
(Ex: http://ftpprd.ncep.noaa.gov/data/nccf/com/gfs/prod/gfsmos.20161120/mdl_gfsmex.t00z)

Canadian Extended-range MOS Min/Max Temperature Guidance will be available in the follwing directory/files:
gfsmos.YYYYMMDD/mdl_fecn21.tCCz, where YYYYMMDD is the run datestamp, and CC is the cycle.
(Ex: http://ftpprd.ncep.noaa.gov/data/nccf/com/gfs/prod/gfsmos.20161120/mdl_fecn21.t00z)

Data Product Region Format URL
MEX Full Text Messages all Text http://ftpprd.ncep.noaa.gov/data/nccf/com/gfs/prod/
Canadian Extended-range MOS Min/Max Temperature Guidance Full Text Messages all Canadian stations Text http://ftpprd.ncep.noaa.gov/data/nccf/com/gfs/prod/

Other Data

Messages can be found on NWS FTP Server (TGFTP). On this server, GRIB files are stored in directories called RD.YYYYMMDD, where YYYYMMDD is the year, month and day. Within the RD.YYYYMMDD directory, the files will be named cy.XX.txt, where XX is the cycle. These data will be available for two days.

Data Product Region Format URL
MEX Raw Data all BUFR ftp://tgftp.nws.noaa.gov/SL.us008001/DF.bf/DC.mos/DS.mexjs/
MEX Raw Data (General Suite) CONUS GRIB ftp://tgftp.nws.noaa.gov/SL.us008001/DF.gr1/DC.mos/DS.mexcns/
MEX Raw Data (General Suite) Alaska GRIB ftp://tgftp.nws.noaa.gov/SL.us008001/DF.gr1/DC.mos/DS.mexak/
MEX Raw Data (Severe Weather) CONUS GRIB ftp://tgftp.nws.noaa.gov/SL.us008001/DF.gr1/DC.mos/DS.mexsvr/

Old Notices

  • As of November 15, 2016, the location of the FTP site for Text Messages has moved. Please see information above to update your bookmarks!