000 WTNT80 EGRR 191800 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 19.08.2009 HURRICANE BILL ANALYSED POSITION : 18.2N 55.6W ATCF IDENTIFIER : AL032009 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 19.08.2009 18.2N 55.6W INTENSE 00UTC 20.08.2009 19.7N 58.7W INTENSE LITTLE CHANGE 12UTC 20.08.2009 21.2N 61.7W INTENSE WEAKENING SLIGHTLY 00UTC 21.08.2009 22.6N 64.6W STRONG WEAKENING SLIGHTLY 12UTC 21.08.2009 24.5N 67.3W STRONG WEAKENING RAPIDLY 00UTC 22.08.2009 26.8N 69.4W INTENSE INTENSIFYING RAPIDLY 12UTC 22.08.2009 30.1N 71.0W INTENSE LITTLE CHANGE 00UTC 23.08.2009 33.9N 71.2W INTENSE LITTLE CHANGE 12UTC 23.08.2009 38.5N 70.0W INTENSE LITTLE CHANGE 00UTC 24.08.2009 43.3N 66.7W STRONG WEAKENING RAPIDLY 12UTC 24.08.2009 46.9N 59.3W STRONG LITTLE CHANGE 00UTC 25.08.2009 EXTRA-TROPICAL TROPICAL STORM GUILLERMO ANALYSED POSITION : 29.4N 154.4W ATCF IDENTIFIER : EP102009 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 19.08.2009 29.4N 154.4W WEAK 00UTC 20.08.2009 31.1N 156.6W WEAK LITTLE CHANGE 12UTC 20.08.2009 33.1N 158.6W WEAK LITTLE CHANGE 00UTC 21.08.2009 35.0N 158.0W WEAK LITTLE CHANGE 12UTC 21.08.2009 37.2N 158.6W WEAK WEAKENING SLIGHTLY 00UTC 22.08.2009 BELOW TROPICAL STORM STRENGTH THIS INFORMATION IS PROVIDED AS GUIDANCE FOR TROPICAL CYCLONE RSMCS. IT REQUIRES INTERPRETATION BY TROPICAL CYCLONE SPECIALISTS AND SHOULD NOT BE CONSIDERED AS A FINAL PRODUCT MET OFFICE, EXETER, UK TOO 191657