981 WTNT80 EGRR 200410 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 20.08.2023 HURRICANE HILARY ANALYSED POSITION : 24.2N 114.1W ATCF IDENTIFIER : EP092023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 20.08.2023 24.2N 114.1W INTENSE 12UTC 20.08.2023 28.2N 115.1W STRONG WEAKENING RAPIDLY 00UTC 21.08.2023 33.4N 117.2W MODERATE WEAKENING RAPIDLY 12UTC 21.08.2023 40.9N 117.1W WEAK WEAKENING SLIGHTLY 00UTC 22.08.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 06L ANALYSED POSITION : 16.4N 51.1W ATCF IDENTIFIER : AL062023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 20.08.2023 16.4N 51.1W WEAK 12UTC 20.08.2023 16.7N 53.9W WEAK LITTLE CHANGE 00UTC 21.08.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 90L ANALYSED POSITION : 13.0N 62.3W ATCF IDENTIFIER : AL902023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 20.08.2023 13.0N 62.3W WEAK 12UTC 20.08.2023 14.0N 64.4W WEAK LITTLE CHANGE 00UTC 21.08.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM 98L ANALYSED POSITION : 18.1N 36.6W ATCF IDENTIFIER : AL982023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 20.08.2023 18.1N 36.6W WEAK 12UTC 20.08.2023 18.5N 38.5W WEAK LITTLE CHANGE 00UTC 21.08.2023 19.1N 40.1W WEAK LITTLE CHANGE 12UTC 21.08.2023 20.0N 41.8W WEAK LITTLE CHANGE 00UTC 22.08.2023 20.4N 44.1W WEAK LITTLE CHANGE 12UTC 22.08.2023 21.9N 46.0W WEAK LITTLE CHANGE 00UTC 23.08.2023 23.2N 47.5W WEAK LITTLE CHANGE 12UTC 23.08.2023 24.5N 48.8W WEAK LITTLE CHANGE 00UTC 24.08.2023 26.3N 50.1W WEAK LITTLE CHANGE 12UTC 24.08.2023 30.0N 51.0W WEAK LITTLE CHANGE 00UTC 25.08.2023 32.0N 51.4W WEAK LITTLE CHANGE 12UTC 25.08.2023 36.7N 51.4W WEAK LITTLE CHANGE 00UTC 26.08.2023 41.3N 48.8W WEAK LITTLE CHANGE 12UTC 26.08.2023 47.2N 43.6W WEAK LITTLE CHANGE 00UTC 27.08.2023 51.4N 35.6W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 96 HOURS FORECAST POSITION AT T+ 96 : 14.4N 18.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 24.08.2023 14.4N 18.0W WEAK 12UTC 24.08.2023 15.9N 20.6W WEAK LITTLE CHANGE 00UTC 25.08.2023 17.1N 23.0W WEAK LITTLE CHANGE 12UTC 25.08.2023 18.9N 25.3W WEAK LITTLE CHANGE 00UTC 26.08.2023 20.5N 26.3W WEAK LITTLE CHANGE 12UTC 26.08.2023 22.5N 26.3W WEAK LITTLE CHANGE 00UTC 27.08.2023 25.0N 25.8W WEAK WEAKENING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 114 HOURS FORECAST POSITION AT T+114 : 22.4N 42.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 25.08.2023 23.2N 43.8W WEAK LITTLE CHANGE 12UTC 25.08.2023 23.9N 45.9W WEAK LITTLE CHANGE 00UTC 26.08.2023 25.3N 48.0W WEAK LITTLE CHANGE 12UTC 26.08.2023 26.2N 50.0W WEAK LITTLE CHANGE 00UTC 27.08.2023 27.1N 51.3W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 22.1N 72.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 25.08.2023 22.1N 72.7W WEAK 00UTC 26.08.2023 22.2N 72.6W WEAK LITTLE CHANGE 12UTC 26.08.2023 22.8N 72.0W WEAK LITTLE CHANGE 00UTC 27.08.2023 23.3N 72.2W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 162 HOURS FORECAST POSITION AT T+162 : 14.6N 103.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2023 15.3N 104.1W WEAK INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 168 HOURS FORECAST POSITION AT T+168 : 36.7N 3.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2023 36.7N 3.3W WEAK 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 200410