123 WTNT80 EGRR 091611 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 09.08.2024 TROPICAL DEPRESSION DEBBY ANALYSED POSITION : 40.6N 78.2W ATCF IDENTIFIER : AL042024 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 09.08.2024 40.6N 78.2W WEAK 00UTC 10.08.2024 44.7N 73.6W MODERATE INTENSIFYING SLIGHTLY 12UTC 10.08.2024 49.0N 64.8W MODERATE LITTLE CHANGE 00UTC 11.08.2024 50.5N 50.9W MODERATE LITTLE CHANGE 12UTC 11.08.2024 51.7N 38.9W MODERATE INTENSIFYING SLIGHTLY 00UTC 12.08.2024 52.2N 31.4W MODERATE LITTLE CHANGE 12UTC 12.08.2024 52.8N 23.2W MODERATE LITTLE CHANGE 00UTC 13.08.2024 POST-TROPICAL NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 108 HOURS FORECAST POSITION AT T+108 : 33.8N 75.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 14.08.2024 33.8N 75.9W WEAK 12UTC 14.08.2024 33.6N 72.4W WEAK LITTLE CHANGE 00UTC 15.08.2024 32.8N 69.3W WEAK LITTLE CHANGE 12UTC 15.08.2024 32.7N 65.9W WEAK LITTLE CHANGE 00UTC 16.08.2024 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 150 HOURS FORECAST POSITION AT T+150 : 23.1N 71.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 16.08.2024 23.9N 71.7W WEAK INTENSIFYING SLIGHTLY 12UTC 16.08.2024 24.7N 72.5W 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 091611