12 - 18 hour files: total 5 TRaP members. /data/Petrap/2015/21W/201521W.WTPN31.PGTW.220300.SSMISB.09212108.18.Z /data/Petrap/2015/21W/201521W.WTPN31.PGTW.220300.SSMISD.09212111.18.Z /data/Petrap/2015/21W/201521W.WTPN31.PGTW.220900.AMSUNN.09220812.12.Z /data/Petrap/2015/21W/201521W.WTPN31.PGTW.220900.AMSUNP.09220420.12.Z /data/Petrap/2015/21W/201521W.WTPN31.PGTW.220900.SSMISB.09220821.12.Z Grid information: nc,nr,clat,clon: 800 800 18.05 -139.35 Total independent TRaPs used: 5 Total Ensemble TRaP members: 5