367 WTNT80 EGRR 081613 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 08.09.2024 TROPICAL STORM 91L ANALYSED POSITION : 20.2N 93.8W ATCF IDENTIFIER : AL912024 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2024 20.2N 93.8W WEAK 00UTC 09.09.2024 20.4N 93.9W WEAK LITTLE CHANGE 12UTC 09.09.2024 21.8N 94.2W WEAK LITTLE CHANGE 00UTC 10.09.2024 23.1N 94.9W WEAK LITTLE CHANGE 12UTC 10.09.2024 24.7N 95.8W MODERATE LITTLE CHANGE 00UTC 11.09.2024 25.6N 95.3W MODERATE INTENSIFYING SLIGHTLY 12UTC 11.09.2024 27.7N 93.6W MODERATE INTENSIFYING SLIGHTLY 00UTC 12.09.2024 29.8N 91.2W MODERATE LITTLE CHANGE 12UTC 12.09.2024 32.7N 90.8W MODERATE LITTLE CHANGE 00UTC 13.09.2024 35.0N 90.2W MODERATE LITTLE CHANGE 12UTC 13.09.2024 36.3N 89.5W WEAK WEAKENING SLIGHTLY 00UTC 14.09.2024 37.4N 88.8W WEAK WEAKENING SLIGHTLY 12UTC 14.09.2024 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 92L ANALYSED POSITION : 13.4N 42.4W ATCF IDENTIFIER : AL922024 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2024 13.4N 42.4W WEAK 00UTC 09.09.2024 13.9N 42.0W WEAK LITTLE CHANGE 12UTC 09.09.2024 14.3N 41.3W WEAK LITTLE CHANGE 00UTC 10.09.2024 14.8N 41.5W WEAK LITTLE CHANGE 12UTC 10.09.2024 15.0N 42.5W WEAK LITTLE CHANGE 00UTC 11.09.2024 15.0N 43.8W WEAK LITTLE CHANGE 12UTC 11.09.2024 15.5N 45.7W WEAK LITTLE CHANGE 00UTC 12.09.2024 15.8N 48.0W WEAK LITTLE CHANGE 12UTC 12.09.2024 BELOW TROPICAL STORM STRENGTH TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 36.9N 68.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2024 36.9N 68.0W WEAK 00UTC 09.09.2024 40.6N 62.3W WEAK LITTLE CHANGE 12UTC 09.09.2024 44.9N 56.9W 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 : 11.8N 34.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 11.09.2024 11.8N 34.3W WEAK 00UTC 12.09.2024 14.0N 36.1W WEAK LITTLE CHANGE 12UTC 12.09.2024 16.6N 38.9W WEAK LITTLE CHANGE 00UTC 13.09.2024 18.0N 43.2W WEAK LITTLE CHANGE 12UTC 13.09.2024 18.6N 46.8W WEAK LITTLE CHANGE 00UTC 14.09.2024 19.7N 49.0W WEAK LITTLE CHANGE 12UTC 14.09.2024 20.8N 51.6W WEAK LITTLE CHANGE 00UTC 15.09.2024 22.0N 52.7W WEAK LITTLE CHANGE 12UTC 15.09.2024 22.9N 53.9W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 96 HOURS FORECAST POSITION AT T+ 96 : 37.8N 53.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 12.09.2024 37.8N 53.2W WEAK 00UTC 13.09.2024 37.8N 51.6W WEAK LITTLE CHANGE 12UTC 13.09.2024 39.5N 47.2W WEAK LITTLE CHANGE 00UTC 14.09.2024 BELOW TROPICAL STORM STRENGTH 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 081613