000 WTNT80 EGRR 161800 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 16.09.2011 HURRICANE MARIA ANALYSED POSITION : 43.3N 58.5W ATCF IDENTIFIER : AL142011 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 16.09.2011 43.3N 58.5W STRONG 00UTC 17.09.2011 46.6N 54.5W STRONG LITTLE CHANGE 12UTC 17.09.2011 EXTRA-TROPICAL NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 60 HOURS FORECAST POSITION AT T+ 60 : 13.0N 37.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 19.09.2011 13.0N 37.6W WEAK 12UTC 19.09.2011 13.7N 39.5W WEAK WEAKENING SLIGHTLY 00UTC 20.09.2011 13.4N 41.8W WEAK INTENSIFYING SLIGHTLY 12UTC 20.09.2011 14.3N 43.6W WEAK WEAKENING SLIGHTLY 00UTC 21.09.2011 15.0N 46.6W MODERATE INTENSIFYING SLIGHTLY 12UTC 21.09.2011 16.0N 49.6W MODERATE LITTLE CHANGE 00UTC 22.09.2011 15.8N 52.3W MODERATE INTENSIFYING RAPIDLY 12UTC 22.09.2011 16.9N 56.0W MODERATE LITTLE CHANGE 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 161642