627 WTNT80 EGRR 230411 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 23.09.2023 TROPICAL DEPRESSION 91C ANALYSED POSITION : 13.3N 146.0W ATCF IDENTIFIER : CP912023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2023 13.3N 146.0W WEAK 12UTC 23.09.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM OPHELIA ANALYSED POSITION : 33.2N 76.9W ATCF IDENTIFIER : AL162023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2023 33.2N 76.9W MODERATE 12UTC 23.09.2023 34.8N 76.9W MODERATE LITTLE CHANGE 00UTC 24.09.2023 36.9N 76.9W MODERATE WEAKENING SLIGHTLY 12UTC 24.09.2023 38.4N 76.4W WEAK WEAKENING SLIGHTLY 00UTC 25.09.2023 39.2N 75.2W WEAK WEAKENING SLIGHTLY 12UTC 25.09.2023 39.1N 72.2W WEAK LITTLE CHANGE 00UTC 26.09.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 90L ANALYSED POSITION : 15.4N 35.2W ATCF IDENTIFIER : AL902023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2023 15.4N 35.2W WEAK 12UTC 23.09.2023 16.6N 38.4W WEAK LITTLE CHANGE 00UTC 24.09.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 97E ANALYSED POSITION : 13.6N 115.1W ATCF IDENTIFIER : EP972023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2023 13.6N 115.1W WEAK 12UTC 23.09.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 114 HOURS FORECAST POSITION AT T+114 : 20.3N 56.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 28.09.2023 20.5N 57.6W WEAK WEAKENING SLIGHTLY 12UTC 28.09.2023 21.7N 58.8W WEAK LITTLE CHANGE 00UTC 29.09.2023 23.7N 59.7W WEAK LITTLE CHANGE 12UTC 29.09.2023 25.0N 60.9W WEAK LITTLE CHANGE 00UTC 30.09.2023 26.2N 61.6W 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 230411