g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
|    gdas.20260104 |
|    gdas.20260103 |
|    gdas.20260102 |
|    gdas.20260101 |
|    gdas.20251231 |
|    gdas.20251230 |
|    gdas.20251229 |
|    gdas.20251228 |
|    gdas.20251227 |
|    gdas.20251226 |
|    enkfgdas.20260104 |
|    enkfgdas.20240228 |
NCEP NOMADS Version 1.2