000 WHXX01 KWBC 040644 CHGHUR TROPICAL CYCLONE GUIDANCE MESSAGE NWS NATIONAL HURRICANE CENTER MIAMI FL 0644 UTC SUN SEP 4 2011 DISCLAIMER...NUMERICAL MODELS ARE SUBJECT TO LARGE ERRORS. PLEASE REFER TO NHC OFFICIAL FORECASTS FOR TROPICAL CYCLONE AND SUBTROPICAL CYCLONE INFORMATION. ATLANTIC OBJECTIVE AIDS FOR TROPICAL CYCLONE KATIA (AL122011) 20110904 0600 UTC ...00 HRS... ...12 HRS... ...24 HRS. .. ...36 HRS... 110904 0600 110904 1800 110905 0600 110905 1800 LAT LON LAT LON LAT LON LAT LON BAMS 20.9N 57.8W 21.8N 59.8W 22.6N 61.9W 23.5N 63.7W BAMD 20.9N 57.8W 22.4N 59.7W 23.9N 61.6W 25.3N 63.4W BAMM 20.9N 57.8W 22.0N 59.6W 23.0N 61.3W 24.1N 62.9W LBAR 20.9N 57.8W 22.2N 59.3W 23.5N 61.2W 24.9N 63.2W SHIP 60KTS 64KTS 67KTS 72KTS DSHP 60KTS 64KTS 67KTS 72KTS ...48 HRS... ...72 HRS... ...96 HRS. .. ..120 HRS... 110906 0600 110907 0600 110908 0600 110909 0600 LAT LON LAT LON LAT LON LAT LON BAMS 24.6N 65.1W 27.1N 67.0W 29.7N 69.1W 33.4N 70.5W BAMD 26.7N 64.8W 28.6N 67.0W 29.8N 69.6W 32.3N 70.9W BAMM 25.4N 64.1W 28.1N 65.9W 30.4N 68.9W 33.7N 70.7W LBAR 26.4N 64.9W 29.5N 68.6W 33.4N 71.6W 38.4N 69.0W SHIP 74KTS 81KTS 85KTS 85KTS DSHP 74KTS 81KTS 85KTS 85KTS ...INITIAL CONDITIONS... LATCUR = 20.9N LONCUR = 57.8W DIRCUR = 305DEG SPDCUR = 9KT LATM12 = 19.9N LONM12 = 56.2W DIRM12 = 306DEG SPDM12 = 9KT LATM24 = 18.8N LONM24 = 54.6W WNDCUR = 60KT RMAXWD = 30NM WNDM12 = 60KT CENPRS = 992MB OUTPRS = 1012MB OUTRAD = 275NM SDEPTH = D RD34NE = 150NM RD34SE = 120NM RD34SW = 75NM RD34NW = 105NM $$ NNNN