g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
|    nam.20260717 |
|    nam.20260716 |
|    nam.20260715 |
|    nam.20260714 |
|    nam.20260713 |
|    nam.20260712 |
|    nam.20260711 |
|    nam.20260710 |
NCEP NOMADS Version 1.2