000 WTNT80 EGRR 151800 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 15.10.2011 TROPICAL STORM IRWIN ANALYSED POSITION : 16.9N 106.7W ATCF IDENTIFIER : EP112011 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 15.10.2011 16.9N 106.7W MODERATE 00UTC 16.10.2011 15.8N 107.1W MODERATE WEAKENING SLIGHTLY 12UTC 16.10.2011 14.9N 107.8W WEAK LITTLE CHANGE 00UTC 17.10.2011 14.9N 108.8W WEAK WEAKENING SLIGHTLY 12UTC 17.10.2011 15.0N 110.8W WEAK LITTLE CHANGE 00UTC 18.10.2011 15.3N 110.6W WEAK WEAKENING SLIGHTLY 12UTC 18.10.2011 15.1N 111.3W WEAK LITTLE CHANGE 00UTC 19.10.2011 BELOW TROPICAL STORM STRENGTH MET OFFICE, EXETER, UK TOO 151628