WTNT80 EGRR 060412 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 06.09.2024 TROPICAL DEPRESSION 90L ANALYSED POSITION : 27.9N 95.3W ATCF IDENTIFIER : AL902024 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 06.09.2024 27.9N 95.3W WEAK 12UTC 06.09.2024 27.0N 95.6W WEAK LITTLE CHANGE 00UTC 07.09.2024 26.2N 94.7W WEAK LITTLE CHANGE 12UTC 07.09.2024 25.9N 94.5W WEAK LITTLE CHANGE 00UTC 08.09.2024 25.0N 95.0W WEAK LITTLE CHANGE 12UTC 08.09.2024 BELOW TROPICAL STORM STRENGTH TROPICAL STORM 99L ANALYSED POSITION : 34.5N 70.0W ATCF IDENTIFIER : AL992024 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 06.09.2024 34.5N 70.0W WEAK 12UTC 06.09.2024 37.2N 67.5W WEAK INTENSIFYING SLIGHTLY 00UTC 07.09.2024 39.7N 65.6W MODERATE INTENSIFYING SLIGHTLY 12UTC 07.09.2024 41.7N 64.7W MODERATE LITTLE CHANGE 00UTC 08.09.2024 44.8N 62.3W WEAK LITTLE CHANGE 12UTC 08.09.2024 49.2N 61.5W WEAK LITTLE CHANGE 00UTC 09.09.2024 53.2N 57.2W WEAK LITTLE CHANGE 12UTC 09.09.2024 POST-TROPICAL NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 24 HOURS FORECAST POSITION AT T+ 24 : 31.1N 80.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 07.09.2024 31.1N 80.6W WEAK 12UTC 07.09.2024 32.3N 79.0W WEAK INTENSIFYING SLIGHTLY 00UTC 08.09.2024 33.2N 75.3W WEAK LITTLE CHANGE 12UTC 08.09.2024 34.7N 70.8W WEAK LITTLE CHANGE 00UTC 09.09.2024 37.0N 65.8W WEAK LITTLE CHANGE 12UTC 09.09.2024 40.1N 60.2W WEAK LITTLE CHANGE 00UTC 10.09.2024 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 72 HOURS FORECAST POSITION AT T+ 72 : 20.5N 93.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 09.09.2024 20.5N 93.9W WEAK 12UTC 09.09.2024 20.9N 92.9W WEAK LITTLE CHANGE 00UTC 10.09.2024 22.3N 93.7W WEAK LITTLE CHANGE 12UTC 10.09.2024 23.0N 94.0W WEAK LITTLE CHANGE 00UTC 11.09.2024 24.4N 93.7W WEAK LITTLE CHANGE 12UTC 11.09.2024 26.6N 93.7W MODERATE LITTLE CHANGE 00UTC 12.09.2024 28.6N 93.6W MODERATE LITTLE CHANGE 12UTC 12.09.2024 29.7N 93.2W MODERATE LITTLE CHANGE 00UTC 13.09.2024 30.6N 92.6W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 72 HOURS FORECAST POSITION AT T+ 72 : 33.6N 148.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 09.09.2024 33.6N 148.0W WEAK 12UTC 09.09.2024 34.7N 148.5W WEAK LITTLE CHANGE 00UTC 10.09.2024 33.1N 150.2W WEAK LITTLE CHANGE 12UTC 10.09.2024 33.9N 151.6W WEAK LITTLE CHANGE 00UTC 11.09.2024 33.9N 153.8W WEAK LITTLE CHANGE 12UTC 11.09.2024 34.0N 156.5W WEAK LITTLE CHANGE 00UTC 12.09.2024 33.1N 157.7W WEAK LITTLE CHANGE 12UTC 12.09.2024 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 84 HOURS FORECAST POSITION AT T+ 84 : 15.1N 41.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 09.09.2024 15.1N 41.5W WEAK 00UTC 10.09.2024 14.9N 40.8W WEAK LITTLE CHANGE 12UTC 10.09.2024 15.2N 41.2W WEAK LITTLE CHANGE 00UTC 11.09.2024 15.4N 42.4W WEAK LITTLE CHANGE 12UTC 11.09.2024 15.1N 43.9W WEAK LITTLE CHANGE 00UTC 12.09.2024 15.1N 45.5W WEAK LITTLE CHANGE 12UTC 12.09.2024 15.3N 46.9W WEAK LITTLE CHANGE 00UTC 13.09.2024 15.8N 48.0W 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 060411