NBM Data Download

Operational Products (NBM v3.1)

NBM Grib2 Files

The master files contain all available elements in Grib2 format (specifications can be found on the NBM v3.1 Grib Specifications Page). Files are in directories where YYYYMMDD is the run datestamp, and CC is the cycle. File names are as follows: blend.tCCz.master.fXXX.RR.grib2, where CC is the cycle, XXX is the forecast hour, and RR is the region. (Example: blend.t00z.master.f001.co.grib2) These files are available for 1-2 days.

Grib2 NBM master files
Format grib2
Regions CONUS (co), Alaska (ak), Hawaii(hi), Puerto Rico(pr)
FTP ftp://ftp.ncep.noaa.gov/pub/data/nccf/com/blend/prod/blend.YYYYMMDD/CC/grib2/
HTTP URL http://nomads.ncep.noaa.gov/pub/data/nccf/com/blend/prod/blend.YYYYMMDD/CC/grib2/


NBM Full Text Bulletin Files

NBM text files contain bulletins for all available station locations in a single file. Files are as follows, where YYYYMMDD is the run datestamp, and CC is the cycle. These files come in four types: hourly (blend_nbhtx.tCCz),short-range(blend_nbstx.tCCz),extended-range(blend_nbetx.tCCz) and super-extended range (blend_nbxtx.tCCz) (specifications can be found on the NBM Text Bulletin Key). These files are available for 1-2 days.

Data can be viewed for specific stations at our NBM Text Bulletin Page.

NBM text bulletin master files
Format ASCII text
Regions all (in one file)
FTP ftp://ftp.ncep.noaa.gov/pub/data/nccf/com/blend/prod/blend.YYYYMMDD/CC/text/
HTTP URL http://nomads.ncep.noaa.gov/pub/data/nccf/com/blend/prod/blend.YYYYMMDD/CC/text/

Experimental Products (NBM v3.2)

If you desire access to NBM products prior to operational implementation, please email the address noted in the "Contact NBM" portion of this page.


Contact NBM

For further information about the National Blend of Models, please contact Cassie.Stearns@noaa.gov.


You can also join the NBM Mailing List by following sign-up instructions here.