g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
|    nam.20251102 |
|    nam.20251101 |
|    nam.20251031 |
|    nam.20251030 |
|    nam.20251029 |
|    nam.20251028 |
|    nam.20251027 |
|    nam.20251026 |
NCEP NOMADS Version 1.2