Data Transfer: NCEP GEFS CHEM .5 Degree Model Forecasts

g2sub V1.1

g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and sends you the result
 

Subdirectory

gefs.20251230

gefs.20251229

gefs.20251228

gefs.20251227

Select subdirectory from above list.

NCEP NOMADS Version 1.2