12 - 18 hour files: total 6 TRaP members. /data/Petrap/2018/21S/201821S.WTXS31.PGTW.280900.AMSUM1.04280309.18.Z /data/Petrap/2018/21S/201821S.WTXS31.PGTW.280900.RCLIPER.04280900.12.Z /data/Petrap/2018/21S/201821S.WTXS31.PGTW.280900.RCLIPER.04280900.18.Z /data/Petrap/2018/21S/201821S.WTXS31.PGTW.281500.AMSUNN.04281403.12.Z /data/Petrap/2018/21S/201821S.WTXS31.PGTW.281500.AMSUNP.04280941.12.Z /data/Petrap/2018/21S/201821S.WTXS31.PGTW.281500.RCLIPER.04281500.12.Z Grid information: nc,nr,clat,clon: 800 800 -11.05 -88.65 Total independent TRaPs used: 5 Total Ensemble TRaP members: 6