679 WTNT80 EGRR 230402 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 23.09.2018 TROPICAL DEPRESSION 98L ANALYSED POSITION : 28.4N 65.9W ATCF IDENTIFIER : AL982018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2018 28.4N 65.9W WEAK 12UTC 23.09.2018 27.9N 67.1W WEAK LITTLE CHANGE 00UTC 24.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL STORM 90L ANALYSED POSITION : 33.6N 45.0W ATCF IDENTIFIER : AL902018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2018 33.6N 45.0W WEAK 12UTC 23.09.2018 32.7N 46.6W WEAK LITTLE CHANGE 00UTC 24.09.2018 33.8N 48.2W WEAK LITTLE CHANGE 12UTC 24.09.2018 32.4N 48.3W WEAK LITTLE CHANGE 00UTC 25.09.2018 33.6N 47.4W WEAK LITTLE CHANGE 12UTC 25.09.2018 33.6N 46.0W WEAK LITTLE CHANGE 00UTC 26.09.2018 34.2N 43.0W WEAK INTENSIFYING SLIGHTLY 12UTC 26.09.2018 37.0N 40.3W MODERATE INTENSIFYING RAPIDLY 00UTC 27.09.2018 38.3N 40.8W STRONG INTENSIFYING SLIGHTLY 12UTC 27.09.2018 38.0N 42.9W STRONG LITTLE CHANGE 00UTC 28.09.2018 36.9N 42.9W STRONG LITTLE CHANGE 12UTC 28.09.2018 36.7N 44.1W MODERATE WEAKENING SLIGHTLY 00UTC 29.09.2018 37.0N 43.9W MODERATE LITTLE CHANGE TROPICAL DEPRESSION 11L ANALYSED POSITION : 13.9N 54.0W ATCF IDENTIFIER : AL112018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2018 13.9N 54.0W WEAK 12UTC 23.09.2018 14.7N 55.5W WEAK LITTLE CHANGE 00UTC 24.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL STORM KIRK ANALYSED POSITION : 8.9N 25.3W ATCF IDENTIFIER : AL122018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2018 8.9N 25.3W WEAK 12UTC 23.09.2018 8.8N 28.8W WEAK LITTLE CHANGE 00UTC 24.09.2018 8.8N 31.9W WEAK LITTLE CHANGE 12UTC 24.09.2018 8.9N 35.2W WEAK LITTLE CHANGE 00UTC 25.09.2018 9.6N 38.7W MODERATE INTENSIFYING SLIGHTLY 12UTC 25.09.2018 10.0N 42.2W MODERATE INTENSIFYING SLIGHTLY 00UTC 26.09.2018 11.0N 45.0W MODERATE INTENSIFYING SLIGHTLY 12UTC 26.09.2018 11.7N 48.0W MODERATE LITTLE CHANGE 00UTC 27.09.2018 12.8N 50.1W MODERATE LITTLE CHANGE 12UTC 27.09.2018 14.2N 51.5W MODERATE LITTLE CHANGE 00UTC 28.09.2018 15.7N 52.3W MODERATE LITTLE CHANGE 12UTC 28.09.2018 16.9N 53.0W MODERATE WEAKENING SLIGHTLY 00UTC 29.09.2018 17.8N 53.2W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 54 HOURS FORECAST POSITION AT T+ 54 : 30.5N 75.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 25.09.2018 31.1N 76.2W WEAK WEAKENING RAPIDLY 00UTC 26.09.2018 32.6N 76.9W WEAK LITTLE CHANGE 12UTC 26.09.2018 34.4N 76.4W WEAK LITTLE CHANGE 00UTC 27.09.2018 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 96 HOURS FORECAST POSITION AT T+ 96 : 17.7N 113.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.09.2018 17.7N 113.5W WEAK 12UTC 27.09.2018 18.3N 114.6W WEAK LITTLE CHANGE 00UTC 28.09.2018 18.9N 115.8W MODERATE INTENSIFYING SLIGHTLY 12UTC 28.09.2018 19.7N 116.9W MODERATE LITTLE CHANGE 00UTC 29.09.2018 21.1N 118.1W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 11.9N 97.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 28.09.2018 11.9N 97.8W WEAK 00UTC 29.09.2018 12.7N 99.6W 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 230402