903 WTNT80 EGRR 231605 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 23.09.2018 TROPICAL STORM LESLIE ANALYSED POSITION : 32.8N 46.4W ATCF IDENTIFIER : AL132018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 23.09.2018 32.8N 46.4W WEAK 00UTC 24.09.2018 33.6N 48.3W WEAK LITTLE CHANGE 12UTC 24.09.2018 32.6N 48.3W WEAK LITTLE CHANGE 00UTC 25.09.2018 33.3N 47.8W WEAK LITTLE CHANGE 12UTC 25.09.2018 32.7N 46.2W WEAK LITTLE CHANGE 00UTC 26.09.2018 32.8N 42.9W WEAK INTENSIFYING SLIGHTLY 12UTC 26.09.2018 34.1N 39.8W MODERATE INTENSIFYING SLIGHTLY 00UTC 27.09.2018 37.0N 37.3W STRONG INTENSIFYING RAPIDLY 12UTC 27.09.2018 38.5N 39.1W STRONG INTENSIFYING SLIGHTLY 00UTC 28.09.2018 38.0N 40.6W STRONG WEAKENING SLIGHTLY 12UTC 28.09.2018 37.3N 42.3W STRONG LITTLE CHANGE 00UTC 29.09.2018 36.6N 43.6W STRONG LITTLE CHANGE 12UTC 29.09.2018 36.1N 44.5W STRONG LITTLE CHANGE TROPICAL DEPRESSION 98L ANALYSED POSITION : 27.4N 67.4W ATCF IDENTIFIER : AL982018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 23.09.2018 27.4N 67.4W WEAK 00UTC 24.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 11L ANALYSED POSITION : 14.5N 55.5W ATCF IDENTIFIER : AL112018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 23.09.2018 14.5N 55.5W WEAK 00UTC 24.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL STORM KIRK ANALYSED POSITION : 9.5N 29.1W ATCF IDENTIFIER : AL122018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 23.09.2018 9.5N 29.1W WEAK 00UTC 24.09.2018 9.6N 33.5W WEAK LITTLE CHANGE 12UTC 24.09.2018 9.5N 37.1W WEAK LITTLE CHANGE 00UTC 25.09.2018 9.6N 40.3W WEAK LITTLE CHANGE 12UTC 25.09.2018 9.9N 43.6W MODERATE INTENSIFYING SLIGHTLY 00UTC 26.09.2018 10.5N 46.4W MODERATE LITTLE CHANGE 12UTC 26.09.2018 11.4N 48.9W MODERATE LITTLE CHANGE 00UTC 27.09.2018 12.5N 51.1W MODERATE LITTLE CHANGE 12UTC 27.09.2018 13.7N 52.8W MODERATE LITTLE CHANGE 00UTC 28.09.2018 14.9N 54.0W MODERATE LITTLE CHANGE 12UTC 28.09.2018 15.7N 55.1W MODERATE WEAKENING SLIGHTLY 00UTC 29.09.2018 16.4N 56.0W MODERATE LITTLE CHANGE 12UTC 29.09.2018 16.4N 56.8W WEAK WEAKENING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 42 HOURS FORECAST POSITION AT T+ 42 : 30.7N 75.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 25.09.2018 31.3N 77.0W WEAK WEAKENING RAPIDLY 00UTC 26.09.2018 32.2N 77.4W WEAK LITTLE CHANGE 12UTC 26.09.2018 34.1N 77.0W WEAK LITTLE CHANGE 00UTC 27.09.2018 36.3N 74.1W WEAK LITTLE CHANGE 12UTC 27.09.2018 37.9N 70.6W WEAK LITTLE CHANGE 00UTC 28.09.2018 39.6N 67.5W WEAK LITTLE CHANGE 12UTC 28.09.2018 41.5N 64.7W WEAK LITTLE CHANGE 00UTC 29.09.2018 43.3N 61.5W WEAK LITTLE CHANGE 12UTC 29.09.2018 44.0N 57.9W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 84 HOURS FORECAST POSITION AT T+ 84 : 16.8N 112.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.09.2018 16.8N 112.8W WEAK 12UTC 27.09.2018 17.2N 114.1W WEAK LITTLE CHANGE 00UTC 28.09.2018 17.5N 115.8W MODERATE LITTLE CHANGE 12UTC 28.09.2018 18.0N 117.2W MODERATE LITTLE CHANGE 00UTC 29.09.2018 19.1N 118.5W MODERATE LITTLE CHANGE 12UTC 29.09.2018 20.5N 120.0W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 126 HOURS FORECAST POSITION AT T+126 : 11.0N 134.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 29.09.2018 11.1N 134.7W WEAK INTENSIFYING SLIGHTLY 12UTC 29.09.2018 11.0N 135.0W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 144 HOURS FORECAST POSITION AT T+144 : 11.9N 158.4W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 29.09.2018 11.9N 158.4W WEAK 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 231605