g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
|    nam.20251120 |
|    nam.20251119 |
|    nam.20251118 |
|    nam.20251117 |
|    nam.20251116 |
|    nam.20251115 |
|    nam.20251114 |
|    nam.20251113 |
NCEP NOMADS Version 1.2