16 variables in FSL maps *98??.grib (upper air) files where HH=00,01,02,03,06,09,10,12 at reference time but HH=10 exist at YYYYMMDD03 and YYYYMMDD18 ----------------------------------------------------------------------------------------------------------------- height - b HGT gpm 7,100, 250, 99999 HH 00 000 height - b HGT gpm 7,100, 500, 99999 HH 00 000 height - b HGT gpm 7,100, 850, 99999 HH 00 000 height - b HGT gpm 7,100, 1000, 99999 HH 00 000 temperature - p TMP K 11,100, 850, 99999 HH 00 000 temperature - p TMP K 11,116, 0, 30 HH 00 000 u-component of wind - b U GRD m/s 33,100, 250, 99999 HH 00 000 u-component of wind - b U GRD m/s 33,100, 850, 99999 HH 00 000 u-component of wind - b U GRD m/s 33,116, 0, 30 HH 00 000 v-component of wind - b V GRD m/s 34,100, 250, 99999 HH 00 000 v-component of wind - b V GRD m/s 34,100, 850, 99999 HH 00 000 v-component of wind - b V GRD m/s 34,116, 0, 30 HH 00 000 vertical velocity - b V VEL Pa/s 39,100, 700, 99999 HH 00 000 500 hPa absolute vorticity 41,100, 500, 99999 HH 00 000 specific humidity SPF H % 51,100, 850, 99999 HH 00 000 specific humidity SPF H % 51,116, 0, 30 HH 00 000 -----------------------------------------------------------------------------------------------------------------