407 WTNT80 EGRR 131602 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 13.09.2018 TROPICAL DEPRESSION 95L ANALYSED POSITION : 25.2N 94.6W ATCF IDENTIFIER : AL952018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 13.09.2018 25.2N 94.6W WEAK 00UTC 14.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 93E ANALYSED POSITION : 20.4N 108.4W ATCF IDENTIFIER : EP932018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 13.09.2018 20.4N 108.4W WEAK 00UTC 14.09.2018 BELOW TROPICAL STORM STRENGTH HURRICANE FLORENCE ANALYSED POSITION : 33.1N 75.0W ATCF IDENTIFIER : AL062018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 13.09.2018 33.1N 75.0W INTENSE 00UTC 14.09.2018 33.9N 76.7W INTENSE INTENSIFYING SLIGHTLY 12UTC 14.09.2018 33.9N 77.7W INTENSE WEAKENING SLIGHTLY 00UTC 15.09.2018 33.9N 78.5W STRONG WEAKENING RAPIDLY 12UTC 15.09.2018 33.5N 79.2W STRONG WEAKENING SLIGHTLY 00UTC 16.09.2018 33.3N 80.1W MODERATE WEAKENING SLIGHTLY 12UTC 16.09.2018 33.9N 81.1W MODERATE WEAKENING SLIGHTLY 00UTC 17.09.2018 35.0N 82.3W MODERATE WEAKENING SLIGHTLY 12UTC 17.09.2018 37.8N 83.4W WEAK LITTLE CHANGE 00UTC 18.09.2018 39.7N 81.4W WEAK LITTLE CHANGE 12UTC 18.09.2018 43.0N 76.3W MODERATE LITTLE CHANGE 00UTC 19.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL STORM HELENE ANALYSED POSITION : 24.2N 37.3W ATCF IDENTIFIER : AL082018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 13.09.2018 24.2N 37.3W MODERATE 00UTC 14.09.2018 26.9N 37.1W MODERATE WEAKENING SLIGHTLY 12UTC 14.09.2018 30.3N 36.5W MODERATE LITTLE CHANGE 00UTC 15.09.2018 33.6N 34.9W MODERATE LITTLE CHANGE 12UTC 15.09.2018 36.7N 32.8W MODERATE LITTLE CHANGE 00UTC 16.09.2018 38.8N 29.3W STRONG INTENSIFYING RAPIDLY 12UTC 16.09.2018 39.8N 24.8W STRONG LITTLE CHANGE 00UTC 17.09.2018 41.4N 21.1W STRONG INTENSIFYING SLIGHTLY 12UTC 17.09.2018 42.8N 18.1W STRONG LITTLE CHANGE 00UTC 18.09.2018 45.2N 13.6W STRONG WEAKENING SLIGHTLY 12UTC 18.09.2018 49.1N 7.4W MODERATE WEAKENING RAPIDLY 00UTC 19.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL STORM ISAAC ANALYSED POSITION : 15.5N 60.8W ATCF IDENTIFIER : AL092018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 13.09.2018 15.5N 60.8W WEAK 00UTC 14.09.2018 15.2N 63.6W WEAK LITTLE CHANGE 12UTC 14.09.2018 15.5N 66.6W WEAK LITTLE CHANGE 00UTC 15.09.2018 15.3N 68.9W WEAK LITTLE CHANGE 12UTC 15.09.2018 15.4N 71.7W WEAK LITTLE CHANGE 00UTC 16.09.2018 16.1N 73.6W WEAK LITTLE CHANGE 12UTC 16.09.2018 16.6N 75.9W WEAK LITTLE CHANGE 00UTC 17.09.2018 17.8N 78.2W WEAK LITTLE CHANGE 12UTC 17.09.2018 17.9N 80.5W WEAK LITTLE CHANGE 00UTC 18.09.2018 18.8N 82.8W WEAK LITTLE CHANGE 12UTC 18.09.2018 19.3N 85.3W WEAK LITTLE CHANGE 00UTC 19.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL STORM JOYCE ANALYSED POSITION : 33.8N 43.6W ATCF IDENTIFIER : AL102018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 13.09.2018 33.8N 43.6W WEAK 00UTC 14.09.2018 33.1N 44.4W WEAK LITTLE CHANGE 12UTC 14.09.2018 32.0N 45.0W WEAK LITTLE CHANGE 00UTC 15.09.2018 31.4N 44.7W WEAK LITTLE CHANGE 12UTC 15.09.2018 32.5N 42.6W MODERATE LITTLE CHANGE 00UTC 16.09.2018 34.5N 40.1W WEAK LITTLE CHANGE 12UTC 16.09.2018 36.2N 37.0W WEAK LITTLE CHANGE 00UTC 17.09.2018 36.7N 32.6W WEAK LITTLE CHANGE 12UTC 17.09.2018 36.4N 27.2W MODERATE INTENSIFYING SLIGHTLY 00UTC 18.09.2018 36.0N 22.8W MODERATE INTENSIFYING SLIGHTLY 12UTC 18.09.2018 36.3N 20.4W MODERATE LITTLE CHANGE 00UTC 19.09.2018 36.4N 19.0W MODERATE WEAKENING SLIGHTLY 12UTC 19.09.2018 36.7N 16.9W MODERATE LITTLE CHANGE TROPICAL DEPRESSION OLIVIA ANALYSED POSITION : 19.3N 161.3W ATCF IDENTIFIER : EP172018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 13.09.2018 19.3N 161.3W WEAK 00UTC 14.09.2018 19.1N 163.6W WEAK LITTLE CHANGE 12UTC 14.09.2018 19.1N 166.4W WEAK LITTLE CHANGE 00UTC 15.09.2018 19.1N 168.5W WEAK LITTLE CHANGE 12UTC 15.09.2018 19.8N 170.4W WEAK LITTLE CHANGE 00UTC 16.09.2018 21.0N 172.3W WEAK LITTLE CHANGE 12UTC 16.09.2018 22.3N 174.0W WEAK LITTLE CHANGE 00UTC 17.09.2018 23.4N 175.7W WEAK LITTLE CHANGE 12UTC 17.09.2018 23.8N 177.2W WEAK LITTLE CHANGE 00UTC 18.09.2018 23.8N 177.9W WEAK LITTLE CHANGE 12UTC 18.09.2018 23.6N 177.4W MODERATE INTENSIFYING SLIGHTLY 00UTC 19.09.2018 23.6N 177.9W MODERATE INTENSIFYING SLIGHTLY 12UTC 19.09.2018 22.5N 179.6W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 126 HOURS FORECAST POSITION AT T+126 : 16.1N 118.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 19.09.2018 16.7N 118.8W WEAK WEAKENING SLIGHTLY 12UTC 19.09.2018 17.1N 120.0W 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 131602