367 WTNT80 EGRR 081602 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 08.09.2018 TROPICAL DEPRESSION 94L ANALYSED POSITION : 31.7N 68.1W ATCF IDENTIFIER : AL942018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2018 31.7N 68.1W WEAK 00UTC 09.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 18E ANALYSED POSITION : 15.7N 115.2W ATCF IDENTIFIER : EP182018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2018 15.7N 115.2W WEAK 00UTC 09.09.2018 17.1N 116.2W WEAK LITTLE CHANGE 12UTC 09.09.2018 17.7N 118.1W MODERATE LITTLE CHANGE 00UTC 10.09.2018 19.4N 119.0W MODERATE LITTLE CHANGE 12UTC 10.09.2018 20.6N 120.5W MODERATE LITTLE CHANGE 00UTC 11.09.2018 21.7N 122.6W MODERATE LITTLE CHANGE 12UTC 11.09.2018 22.3N 124.9W WEAK LITTLE CHANGE 00UTC 12.09.2018 22.7N 127.3W WEAK LITTLE CHANGE 12UTC 12.09.2018 23.1N 129.8W WEAK LITTLE CHANGE 00UTC 13.09.2018 23.4N 132.4W WEAK LITTLE CHANGE 12UTC 13.09.2018 23.6N 134.5W WEAK LITTLE CHANGE 00UTC 14.09.2018 23.9N 136.1W WEAK LITTLE CHANGE 12UTC 14.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL STORM FLORENCE ANALYSED POSITION : 24.3N 54.0W ATCF IDENTIFIER : AL062018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2018 24.3N 54.0W MODERATE 00UTC 09.09.2018 24.2N 54.9W MODERATE LITTLE CHANGE 12UTC 09.09.2018 24.2N 55.8W MODERATE LITTLE CHANGE 00UTC 10.09.2018 24.5N 57.2W MODERATE LITTLE CHANGE 12UTC 10.09.2018 24.7N 59.3W STRONG INTENSIFYING SLIGHTLY 00UTC 11.09.2018 25.2N 61.5W STRONG INTENSIFYING SLIGHTLY 12UTC 11.09.2018 26.1N 64.7W STRONG LITTLE CHANGE 00UTC 12.09.2018 27.3N 68.3W STRONG LITTLE CHANGE 12UTC 12.09.2018 28.3N 71.5W STRONG INTENSIFYING SLIGHTLY 00UTC 13.09.2018 29.9N 74.1W INTENSE INTENSIFYING RAPIDLY 12UTC 13.09.2018 31.6N 76.2W INTENSE INTENSIFYING SLIGHTLY 00UTC 14.09.2018 32.7N 77.8W INTENSE LITTLE CHANGE 12UTC 14.09.2018 33.5N 78.7W INTENSE WEAKENING SLIGHTLY TROPICAL STORM HELENE ANALYSED POSITION : 13.4N 20.3W ATCF IDENTIFIER : AL082018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2018 13.4N 20.3W MODERATE 00UTC 09.09.2018 13.4N 22.1W MODERATE INTENSIFYING SLIGHTLY 12UTC 09.09.2018 13.6N 24.6W MODERATE INTENSIFYING SLIGHTLY 00UTC 10.09.2018 14.3N 27.4W MODERATE LITTLE CHANGE 12UTC 10.09.2018 14.9N 30.5W STRONG LITTLE CHANGE 00UTC 11.09.2018 15.7N 33.3W STRONG LITTLE CHANGE 12UTC 11.09.2018 16.6N 35.2W STRONG LITTLE CHANGE 00UTC 12.09.2018 18.1N 36.4W STRONG INTENSIFYING SLIGHTLY 12UTC 12.09.2018 19.7N 38.0W STRONG LITTLE CHANGE 00UTC 13.09.2018 21.7N 39.0W STRONG LITTLE CHANGE 12UTC 13.09.2018 23.3N 40.1W MODERATE WEAKENING RAPIDLY 00UTC 14.09.2018 24.7N 40.8W MODERATE WEAKENING SLIGHTLY 12UTC 14.09.2018 25.5N 40.8W WEAK LITTLE CHANGE TROPICAL DEPRESSION 09L ANALYSED POSITION : 14.4N 35.8W ATCF IDENTIFIER : AL092018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2018 14.4N 35.8W WEAK 00UTC 09.09.2018 14.4N 37.0W WEAK LITTLE CHANGE 12UTC 09.09.2018 14.5N 38.7W WEAK LITTLE CHANGE 00UTC 10.09.2018 14.2N 41.0W MODERATE LITTLE CHANGE 12UTC 10.09.2018 14.1N 43.4W MODERATE LITTLE CHANGE 00UTC 11.09.2018 13.8N 46.2W MODERATE LITTLE CHANGE 12UTC 11.09.2018 13.3N 48.9W MODERATE LITTLE CHANGE 00UTC 12.09.2018 13.1N 50.8W MODERATE LITTLE CHANGE 12UTC 12.09.2018 13.4N 52.5W MODERATE LITTLE CHANGE 00UTC 13.09.2018 14.1N 53.9W MODERATE INTENSIFYING SLIGHTLY 12UTC 13.09.2018 14.8N 55.4W MODERATE LITTLE CHANGE 00UTC 14.09.2018 15.8N 56.9W MODERATE LITTLE CHANGE 12UTC 14.09.2018 16.8N 58.7W STRONG LITTLE CHANGE TROPICAL STORM NORMAN ANALYSED POSITION : 26.1N 154.0W ATCF IDENTIFIER : EP162018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2018 26.1N 154.0W MODERATE 00UTC 09.09.2018 27.5N 154.3W MODERATE LITTLE CHANGE 12UTC 09.09.2018 28.4N 154.0W MODERATE LITTLE CHANGE 00UTC 10.09.2018 30.1N 153.0W MODERATE LITTLE CHANGE 12UTC 10.09.2018 32.4N 152.2W MODERATE INTENSIFYING SLIGHTLY 00UTC 11.09.2018 33.8N 152.6W MODERATE WEAKENING SLIGHTLY 12UTC 11.09.2018 34.2N 154.0W WEAK WEAKENING SLIGHTLY 00UTC 12.09.2018 34.8N 155.8W WEAK WEAKENING SLIGHTLY 12UTC 12.09.2018 BELOW TROPICAL STORM STRENGTH HURRICANE OLIVIA ANALYSED POSITION : 21.4N 137.4W ATCF IDENTIFIER : EP172018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2018 21.4N 137.4W STRONG 00UTC 09.09.2018 21.7N 140.1W MODERATE WEAKENING SLIGHTLY 12UTC 09.09.2018 21.8N 142.5W MODERATE LITTLE CHANGE 00UTC 10.09.2018 22.2N 144.9W MODERATE LITTLE CHANGE 12UTC 10.09.2018 22.5N 147.1W MODERATE LITTLE CHANGE 00UTC 11.09.2018 22.2N 149.0W MODERATE WEAKENING SLIGHTLY 12UTC 11.09.2018 21.5N 151.2W WEAK WEAKENING SLIGHTLY 00UTC 12.09.2018 21.0N 153.5W WEAK LITTLE CHANGE 12UTC 12.09.2018 20.6N 155.4W WEAK LITTLE CHANGE 00UTC 13.09.2018 19.7N 158.7W WEAK LITTLE CHANGE 12UTC 13.09.2018 19.5N 161.3W WEAK LITTLE CHANGE 00UTC 14.09.2018 18.9N 163.6W WEAK LITTLE CHANGE 12UTC 14.09.2018 18.8N 165.7W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 84 HOURS FORECAST POSITION AT T+ 84 : 13.8N 20.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 12.09.2018 13.8N 20.7W WEAK 12UTC 12.09.2018 14.1N 22.7W WEAK LITTLE CHANGE 00UTC 13.09.2018 13.8N 25.1W WEAK LITTLE CHANGE 12UTC 13.09.2018 14.2N 27.6W WEAK LITTLE CHANGE 00UTC 14.09.2018 15.0N 29.5W WEAK LITTLE CHANGE 12UTC 14.09.2018 16.0N 31.0W 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 081602