NOMADS Grib Filter

NCEP GEFS CHEM 0.25 Degree Model Forecasts

Directory:  

Available Data Dates:

gefs.20261020
gefs.20261019
gefs.20261018
gefs.20261017

Cycle:

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

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NCEP NOMADS Version 2.3.26, September 2026