Short-range GFS MOS Products

GFS-based forecast guidance from 6 to 72 hours in advance, for over 1500 stations in the United States, including Alaska and Hawaii. This message is generated four times a day, at 0000, 0600, 1200 and 1800 UTC. For details about the products, see the About MAV page. 

GFS MOS Alphanumeric Text Message (MAV Bulletin)

MAV Text Products

All Stations MAV (Full Text Message) 
00Z cycle

 

All Stations MAV (Full Text Message) 
06Z cycle

 

All Stations MAV (Full Text Message) 
12Z cycle

 

All Stations MAV (Full Text Message) 
18Z cycle

 

MOS Bulletins By State, List, or Individual Station
All cycles

Canadian Short-range MOS Min/Max Temperature Guidance

All Canadian Stations 
Most recent cycle

MAV 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.

GFS MOS Graphical Viewer: CONUS

 GFS MOS viewer CONUS

 

GFS MOS Graphical Viewer: Alaska

 GFS MOS viewer Alaska

Short-Range GFS MOS Data Download

Full Text Messages

MAV Full Text Messages will be available in the following directory, in the following directory/files:
gfsmos.YYYYMMDD/mdl_gfsmav.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_gfsmav.t00z)

Data Product Region Format URL
MAV Full Text Messages all 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
MAV Raw Data all BUFR ftp://tgftp.nws.noaa.gov/SL.us008001/DF.bf/DC.mos/DS.mavjs/
MAV Raw Data (General Suite) CONUS GRIB ftp://tgftp.nws.noaa.gov/SL.us008001/DF.gr1/DC.mos/DS.mavcns/
MAV Raw Data (General Suite) Alaska GRIB ftp://tgftp.nws.noaa.gov/SL.us008001/DF.gr1/DC.mos/DS.mavak/
MAV Raw Data (Severe Weather) CONUS GRIB ftp://tgftp.nws.noaa.gov/SL.us008001/DF.gr1/DC.mos/DS.mavsvr/

MOS