000 WTNT80 EGRR 260418 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 26.08.2016 TROPICAL STORM GASTON ANALYSED POSITION : 22.6N 45.6W ATCF IDENTIFIER : AL072016 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 26.08.2016 22.6N 45.6W MODERATE 12UTC 26.08.2016 25.0N 47.9W MODERATE LITTLE CHANGE 00UTC 27.08.2016 26.7N 50.8W MODERATE LITTLE CHANGE 12UTC 27.08.2016 28.1N 53.3W MODERATE LITTLE CHANGE 00UTC 28.08.2016 29.5N 54.4W MODERATE LITTLE CHANGE 12UTC 28.08.2016 30.7N 55.6W MODERATE LITTLE CHANGE 00UTC 29.08.2016 31.4N 56.5W STRONG LITTLE CHANGE 12UTC 29.08.2016 31.8N 56.3W STRONG LITTLE CHANGE 00UTC 30.08.2016 32.3N 55.1W STRONG INTENSIFYING SLIGHTLY 12UTC 30.08.2016 32.8N 53.4W STRONG INTENSIFYING SLIGHTLY 00UTC 31.08.2016 32.8N 51.5W STRONG LITTLE CHANGE 12UTC 31.08.2016 33.6N 50.1W INTENSE INTENSIFYING SLIGHTLY 00UTC 01.09.2016 34.7N 48.5W STRONG LITTLE CHANGE TROPICAL STORM LESTER ANALYSED POSITION : 17.1N 113.7W ATCF IDENTIFIER : EP132016 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 26.08.2016 17.1N 113.7W MODERATE 12UTC 26.08.2016 17.8N 115.1W MODERATE INTENSIFYING SLIGHTLY 00UTC 27.08.2016 17.8N 116.9W MODERATE LITTLE CHANGE 12UTC 27.08.2016 17.5N 119.0W MODERATE LITTLE CHANGE 00UTC 28.08.2016 17.2N 121.5W MODERATE LITTLE CHANGE 12UTC 28.08.2016 17.2N 124.3W MODERATE LITTLE CHANGE 00UTC 29.08.2016 17.2N 127.7W MODERATE WEAKENING SLIGHTLY 12UTC 29.08.2016 17.0N 130.4W MODERATE LITTLE CHANGE 00UTC 30.08.2016 17.3N 133.1W MODERATE LITTLE CHANGE 12UTC 30.08.2016 17.3N 135.7W MODERATE LITTLE CHANGE 00UTC 31.08.2016 17.5N 138.1W MODERATE LITTLE CHANGE 12UTC 31.08.2016 17.3N 140.4W MODERATE LITTLE CHANGE 00UTC 01.09.2016 17.3N 142.3W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 18 HOURS FORECAST POSITION AT T+ 18 : 13.8N 135.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2016 14.4N 136.4W WEAK WEAKENING RAPIDLY 12UTC 27.08.2016 15.7N 137.8W WEAK LITTLE CHANGE 00UTC 28.08.2016 16.7N 138.9W WEAK LITTLE CHANGE 12UTC 28.08.2016 17.2N 140.4W WEAK LITTLE CHANGE 00UTC 29.08.2016 18.1N 142.1W WEAK LITTLE CHANGE 12UTC 29.08.2016 18.7N 144.2W WEAK LITTLE CHANGE 00UTC 30.08.2016 19.4N 145.8W WEAK LITTLE CHANGE 12UTC 30.08.2016 19.9N 147.9W WEAK LITTLE CHANGE 00UTC 31.08.2016 20.4N 149.7W WEAK LITTLE CHANGE 12UTC 31.08.2016 20.7N 151.8W WEAK LITTLE CHANGE 00UTC 01.09.2016 20.8N 154.2W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 30 HOURS FORECAST POSITION AT T+ 30 : 12.9N 155.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.08.2016 13.1N 156.0W WEAK LITTLE CHANGE 00UTC 28.08.2016 14.0N 155.6W WEAK LITTLE CHANGE 12UTC 28.08.2016 14.9N 155.3W WEAK LITTLE CHANGE 00UTC 29.08.2016 15.5N 156.4W WEAK LITTLE CHANGE 12UTC 29.08.2016 15.9N 157.2W WEAK LITTLE CHANGE 00UTC 30.08.2016 15.9N 158.7W WEAK LITTLE CHANGE 12UTC 30.08.2016 16.6N 159.8W WEAK LITTLE CHANGE 00UTC 31.08.2016 16.5N 160.7W WEAK LITTLE CHANGE 12UTC 31.08.2016 16.3N 161.2W WEAK LITTLE CHANGE 00UTC 01.09.2016 16.3N 161.5W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 66 HOURS FORECAST POSITION AT T+ 66 : 25.3N 81.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 29.08.2016 25.5N 82.5W WEAK LITTLE CHANGE 12UTC 29.08.2016 25.8N 83.6W WEAK LITTLE CHANGE 00UTC 30.08.2016 26.0N 85.1W WEAK LITTLE CHANGE 12UTC 30.08.2016 26.0N 85.8W MODERATE LITTLE CHANGE 00UTC 31.08.2016 26.3N 86.2W MODERATE INTENSIFYING SLIGHTLY 12UTC 31.08.2016 26.6N 86.5W MODERATE INTENSIFYING SLIGHTLY 00UTC 01.09.2016 27.0N 86.3W STRONG INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 120 HOURS FORECAST POSITION AT T+120 : 17.0N 19.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 31.08.2016 17.0N 19.7W WEAK 12UTC 31.08.2016 17.3N 22.0W WEAK LITTLE CHANGE 00UTC 01.09.2016 18.0N 25.5W 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 260418