GBFILE nam12_2009072012f003.grib INDXFL GDOUTF nam12_2009072012f003.grid PROJ MER GRDAREA KXKY 10;10 MAXGRD 200 CPYFIL nam12_2009072012f003.grib GAREA dset OUTPUT T GBTBLS GBDIAG PDSEXT NO OVERWR NO