g2subset (grib2 subset) allows you to subset (time, field, level, or region) a GRIB2 file and
sends you the result
Subdirectory
   gfs.20210415 |
   gfs.20210414 |
   gfs.20210413 |
   gfs.20210412 |
   gfs.20210411 |
   gfs.20210410 |
   gfs.20210409 |
   gfs.20210408 |
   gfs.20210407 |
   gfs.20210406 |
g2sub 1.1.0.beta-6 and comments: Wesley.Ebisuzaki@noaa.gov, Jun.Wang@noaa.gov