g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
   nam.20210123 |
   nam.20210121 |
   nam.20210120 |
   nam.20210119 |
   nam.20210118 |
   nam.20210117 |
   nam.20210116 |
   nam.20210115 |
g2sub 1.1.0.beta-6 and comments: Wesley.Ebisuzaki@noaa.gov, Jun.Wang@noaa.gov