NOMADS Grib Filter

NCEP GEFS CHEM 0.25 Degree Model Forecasts

Available Data Dates:

gefs.20260806
gefs.20260805
gefs.20260804
gefs.20260803

Cycle:

18
12
06
00

Subdirectories:

chem
pgrb2ap25

Available Files (file size):

Parameters    

  all  AOTK   ASYSFK   COLMD   PMTC   PMTF   SCTAOTK   SSALBK  

Levels    

  all surface  entire atmosphere  
 

Subregion

 make subregion:    top latitude
 left longitude right longitude
bottom latitude

Download

In order to not overload the server, please pause before resubmitting requests.

  





NCEP NOMADS Version 2.3.20, August 2026