000 WTNT80 EGRR 261618 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 26.08.2016 TROPICAL STORM GASTON ANALYSED POSITION : 25.0N 47.9W ATCF IDENTIFIER : AL072016 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 26.08.2016 25.0N 47.9W MODERATE 00UTC 27.08.2016 26.7N 50.6W MODERATE LITTLE CHANGE 12UTC 27.08.2016 28.0N 53.0W MODERATE LITTLE CHANGE 00UTC 28.08.2016 29.2N 53.9W MODERATE INTENSIFYING SLIGHTLY 12UTC 28.08.2016 30.4N 54.6W MODERATE LITTLE CHANGE 00UTC 29.08.2016 30.9N 55.0W STRONG LITTLE CHANGE 12UTC 29.08.2016 31.1N 54.9W STRONG LITTLE CHANGE 00UTC 30.08.2016 31.6N 54.3W STRONG LITTLE CHANGE 12UTC 30.08.2016 31.8N 53.3W STRONG INTENSIFYING SLIGHTLY 00UTC 31.08.2016 32.0N 52.3W STRONG LITTLE CHANGE 12UTC 31.08.2016 32.6N 51.5W INTENSE LITTLE CHANGE 00UTC 01.09.2016 34.0N 50.1W INTENSE INTENSIFYING SLIGHTLY 12UTC 01.09.2016 36.1N 47.5W INTENSE INTENSIFYING SLIGHTLY TROPICAL STORM LESTER ANALYSED POSITION : 17.3N 115.0W ATCF IDENTIFIER : EP132016 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 26.08.2016 17.3N 115.0W MODERATE 00UTC 27.08.2016 17.5N 116.7W MODERATE LITTLE CHANGE 12UTC 27.08.2016 17.5N 118.9W MODERATE LITTLE CHANGE 00UTC 28.08.2016 17.4N 121.4W MODERATE LITTLE CHANGE 12UTC 28.08.2016 17.4N 124.2W MODERATE LITTLE CHANGE 00UTC 29.08.2016 17.5N 127.5W MODERATE LITTLE CHANGE 12UTC 29.08.2016 17.4N 130.3W MODERATE LITTLE CHANGE 00UTC 30.08.2016 17.7N 133.0W MODERATE LITTLE CHANGE 12UTC 30.08.2016 18.0N 135.7W MODERATE LITTLE CHANGE 00UTC 31.08.2016 18.2N 138.2W MODERATE LITTLE CHANGE 12UTC 31.08.2016 18.4N 140.6W MODERATE LITTLE CHANGE 00UTC 01.09.2016 18.6N 143.1W MODERATE LITTLE CHANGE 12UTC 01.09.2016 18.6N 145.3W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 6 HOURS FORECAST POSITION AT T+ 6 : 14.2N 135.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2016 14.7N 136.6W WEAK WEAKENING SLIGHTLY 12UTC 27.08.2016 15.7N 138.1W WEAK LITTLE CHANGE 00UTC 28.08.2016 16.7N 139.7W WEAK LITTLE CHANGE 12UTC 28.08.2016 17.2N 141.1W WEAK LITTLE CHANGE 00UTC 29.08.2016 18.3N 142.5W WEAK LITTLE CHANGE 12UTC 29.08.2016 19.3N 144.8W WEAK LITTLE CHANGE 00UTC 30.08.2016 20.1N 146.7W WEAK LITTLE CHANGE 12UTC 30.08.2016 20.9N 149.0W WEAK LITTLE CHANGE 00UTC 31.08.2016 21.5N 151.2W WEAK LITTLE CHANGE 12UTC 31.08.2016 21.9N 153.3W WEAK LITTLE CHANGE 00UTC 01.09.2016 21.9N 155.4W WEAK LITTLE CHANGE 12UTC 01.09.2016 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 54 HOURS FORECAST POSITION AT T+ 54 : 13.0N 157.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 29.08.2016 13.3N 157.7W WEAK WEAKENING SLIGHTLY 12UTC 29.08.2016 14.3N 157.6W WEAK LITTLE CHANGE 00UTC 30.08.2016 15.0N 157.9W WEAK LITTLE CHANGE 12UTC 30.08.2016 15.1N 158.9W WEAK LITTLE CHANGE 00UTC 31.08.2016 16.2N 159.7W WEAK LITTLE CHANGE 12UTC 31.08.2016 16.3N 160.2W WEAK LITTLE CHANGE 00UTC 01.09.2016 16.7N 160.6W WEAK LITTLE CHANGE 12UTC 01.09.2016 17.2N 161.2W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 66 HOURS FORECAST POSITION AT T+ 66 : 25.7N 82.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 29.08.2016 25.8N 82.9W WEAK WEAKENING RAPIDLY 00UTC 30.08.2016 26.1N 84.5W WEAK LITTLE CHANGE 12UTC 30.08.2016 26.2N 86.1W WEAK LITTLE CHANGE 00UTC 31.08.2016 26.4N 87.0W WEAK INTENSIFYING SLIGHTLY 12UTC 31.08.2016 26.4N 87.9W MODERATE LITTLE CHANGE 00UTC 01.09.2016 26.7N 88.8W MODERATE INTENSIFYING SLIGHTLY 12UTC 01.09.2016 27.0N 89.5W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 90 HOURS FORECAST POSITION AT T+ 90 : 16.4N 17.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 30.08.2016 17.0N 18.5W WEAK WEAKENING RAPIDLY 00UTC 31.08.2016 17.5N 21.8W WEAK LITTLE CHANGE 12UTC 31.08.2016 18.0N 25.7W WEAK LITTLE CHANGE 00UTC 01.09.2016 18.6N 30.5W WEAK LITTLE CHANGE 12UTC 01.09.2016 18.5N 35.0W WEAK 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. BULLETINS ARE NOW AVAILABLE WHICH PROVIDE EXPLICIT GUIDANCE ON CENTRAL PRESSURE AND MAXIMUM WIND SPEED. FOR FURTHER INFORMATION CONTACT TROPICAL_CYCLONES@METOFFICE.GOV.UK MET OFFICE, EXETER, UK TOO 261618