000 WTNT80 EGRR 251617 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 25.08.2016 TROPICAL STORM GASTON ANALYSED POSITION : 20.0N 43.8W ATCF IDENTIFIER : AL072016 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 25.08.2016 20.0N 43.8W MODERATE 00UTC 26.08.2016 22.3N 46.0W MODERATE LITTLE CHANGE 12UTC 26.08.2016 24.7N 48.0W MODERATE LITTLE CHANGE 00UTC 27.08.2016 26.6N 50.9W MODERATE LITTLE CHANGE 12UTC 27.08.2016 27.8N 53.9W MODERATE LITTLE CHANGE 00UTC 28.08.2016 29.1N 56.1W MODERATE LITTLE CHANGE 12UTC 28.08.2016 30.3N 57.6W MODERATE LITTLE CHANGE 00UTC 29.08.2016 31.4N 58.4W STRONG LITTLE CHANGE 12UTC 29.08.2016 32.7N 58.6W STRONG INTENSIFYING SLIGHTLY 00UTC 30.08.2016 34.0N 57.2W STRONG LITTLE CHANGE 12UTC 30.08.2016 35.3N 54.1W STRONG INTENSIFYING SLIGHTLY 00UTC 31.08.2016 37.2N 49.4W INTENSE INTENSIFYING SLIGHTLY 12UTC 31.08.2016 40.7N 42.7W INTENSE LITTLE CHANGE TROPICAL STORM LESTER ANALYSED POSITION : 16.3N 112.5W ATCF IDENTIFIER : EP132016 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 25.08.2016 16.3N 112.5W WEAK 00UTC 26.08.2016 17.3N 114.1W MODERATE INTENSIFYING SLIGHTLY 12UTC 26.08.2016 18.1N 116.0W MODERATE LITTLE CHANGE 00UTC 27.08.2016 18.3N 117.7W MODERATE LITTLE CHANGE 12UTC 27.08.2016 18.0N 120.0W MODERATE LITTLE CHANGE 00UTC 28.08.2016 17.8N 122.3W MODERATE LITTLE CHANGE 12UTC 28.08.2016 17.6N 124.9W MODERATE LITTLE CHANGE 00UTC 29.08.2016 17.4N 127.5W MODERATE LITTLE CHANGE 12UTC 29.08.2016 17.2N 129.7W MODERATE LITTLE CHANGE 00UTC 30.08.2016 17.4N 131.9W MODERATE LITTLE CHANGE 12UTC 30.08.2016 17.5N 134.1W MODERATE LITTLE CHANGE 00UTC 31.08.2016 17.6N 136.2W MODERATE LITTLE CHANGE 12UTC 31.08.2016 17.6N 138.5W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 36 HOURS FORECAST POSITION AT T+ 36 : 14.2N 135.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2016 14.2N 135.7W WEAK 12UTC 27.08.2016 15.0N 137.6W WEAK LITTLE CHANGE 00UTC 28.08.2016 16.0N 138.6W WEAK LITTLE CHANGE 12UTC 28.08.2016 16.5N 140.1W MODERATE LITTLE CHANGE 00UTC 29.08.2016 17.1N 141.3W MODERATE LITTLE CHANGE 12UTC 29.08.2016 17.8N 142.7W MODERATE LITTLE CHANGE 00UTC 30.08.2016 18.6N 144.1W MODERATE LITTLE CHANGE 12UTC 30.08.2016 18.9N 145.6W MODERATE LITTLE CHANGE 00UTC 31.08.2016 19.0N 147.0W MODERATE LITTLE CHANGE 12UTC 31.08.2016 19.0N 148.1W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 54 HOURS FORECAST POSITION AT T+ 54 : 14.0N 155.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 28.08.2016 14.4N 154.9W WEAK LITTLE CHANGE 12UTC 28.08.2016 15.0N 155.0W WEAK LITTLE CHANGE 00UTC 29.08.2016 16.3N 154.6W WEAK LITTLE CHANGE 12UTC 29.08.2016 16.8N 155.4W WEAK LITTLE CHANGE 00UTC 30.08.2016 16.2N 156.0W WEAK LITTLE CHANGE 12UTC 30.08.2016 16.4N 156.1W WEAK LITTLE CHANGE 00UTC 31.08.2016 16.1N 155.9W WEAK LITTLE CHANGE 12UTC 31.08.2016 16.3N 156.3W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 78 HOURS FORECAST POSITION AT T+ 78 : 24.8N 81.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 29.08.2016 24.6N 81.8W WEAK LITTLE CHANGE 12UTC 29.08.2016 25.0N 83.4W WEAK LITTLE CHANGE 00UTC 30.08.2016 25.3N 84.1W WEAK LITTLE CHANGE 12UTC 30.08.2016 25.8N 84.9W MODERATE LITTLE CHANGE 00UTC 31.08.2016 26.3N 85.4W MODERATE INTENSIFYING SLIGHTLY 12UTC 31.08.2016 26.9N 86.5W MODERATE INTENSIFYING SLIGHTLY 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 251617