159 WTNT80 EGRR 151613 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 15.08.2024 HURRICANE ERNESTO ANALYSED POSITION : 24.5N 69.1W ATCF IDENTIFIER : AL052024 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 15.08.2024 24.5N 69.1W STRONG 00UTC 16.08.2024 26.6N 68.5W STRONG INTENSIFYING SLIGHTLY 12UTC 16.08.2024 28.6N 67.3W STRONG LITTLE CHANGE 00UTC 17.08.2024 30.3N 66.1W STRONG LITTLE CHANGE 12UTC 17.08.2024 32.1N 65.6W STRONG LITTLE CHANGE 00UTC 18.08.2024 33.1N 65.4W STRONG LITTLE CHANGE 12UTC 18.08.2024 34.7N 65.2W STRONG WEAKENING SLIGHTLY 00UTC 19.08.2024 37.5N 64.2W STRONG INTENSIFYING SLIGHTLY 12UTC 19.08.2024 41.3N 61.4W INTENSE INTENSIFYING SLIGHTLY 00UTC 20.08.2024 45.4N 56.0W STRONG WEAKENING RAPIDLY 12UTC 20.08.2024 48.6N 47.6W MODERATE WEAKENING RAPIDLY 00UTC 21.08.2024 52.0N 38.2W MODERATE LITTLE CHANGE 12UTC 21.08.2024 54.0N 27.6W MODERATE LITTLE CHANGE 00UTC 22.08.2024 POST-TROPICAL NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 6 HOURS FORECAST POSITION AT T+ 6 : 34.7N 61.4W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 16.08.2024 36.3N 58.3W WEAK WEAKENING RAPIDLY 12UTC 16.08.2024 38.3N 55.0W WEAK LITTLE CHANGE 00UTC 17.08.2024 40.2N 51.3W WEAK LITTLE CHANGE 12UTC 17.08.2024 42.5N 46.5W WEAK LITTLE CHANGE 00UTC 18.08.2024 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 13.1N 136.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.08.2024 13.1N 136.9W WEAK 12UTC 21.08.2024 14.0N 138.5W WEAK LITTLE CHANGE 00UTC 22.08.2024 15.9N 140.8W WEAK LITTLE CHANGE 12UTC 22.08.2024 16.5N 144.2W 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 151613