921 WTNT80 EGRR 140411 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 14.09.2023 HURRICANE MARGOT ANALYSED POSITION : 35.1N 40.6W ATCF IDENTIFIER : AL142023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 14.09.2023 35.1N 40.6W STRONG 12UTC 14.09.2023 36.2N 40.3W STRONG LITTLE CHANGE 00UTC 15.09.2023 36.7N 39.4W STRONG LITTLE CHANGE 12UTC 15.09.2023 36.7N 39.2W MODERATE WEAKENING SLIGHTLY 00UTC 16.09.2023 36.1N 39.4W MODERATE WEAKENING SLIGHTLY 12UTC 16.09.2023 35.8N 40.1W MODERATE WEAKENING SLIGHTLY 00UTC 17.09.2023 35.4N 41.7W WEAK WEAKENING SLIGHTLY 12UTC 17.09.2023 35.6N 43.2W WEAK WEAKENING SLIGHTLY 00UTC 18.09.2023 36.6N 43.6W WEAK LITTLE CHANGE 12UTC 18.09.2023 38.3N 42.7W WEAK LITTLE CHANGE 00UTC 19.09.2023 40.3N 39.2W WEAK LITTLE CHANGE 12UTC 19.09.2023 41.3N 34.8W WEAK LITTLE CHANGE 00UTC 20.09.2023 41.0N 31.2W WEAK LITTLE CHANGE 12UTC 20.09.2023 40.8N 27.7W WEAK LITTLE CHANGE 00UTC 21.09.2023 41.1N 23.6W WEAK LITTLE CHANGE HURRICANE LEE ANALYSED POSITION : 27.5N 67.7W ATCF IDENTIFIER : AL132023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 14.09.2023 27.5N 67.7W INTENSE 12UTC 14.09.2023 29.7N 68.2W INTENSE WEAKENING SLIGHTLY 00UTC 15.09.2023 32.1N 68.2W INTENSE LITTLE CHANGE 12UTC 15.09.2023 34.4N 67.2W INTENSE WEAKENING SLIGHTLY 00UTC 16.09.2023 37.8N 65.8W INTENSE LITTLE CHANGE 12UTC 16.09.2023 41.1N 65.7W INTENSE LITTLE CHANGE 00UTC 17.09.2023 43.8N 65.5W STRONG WEAKENING SLIGHTLY 12UTC 17.09.2023 46.1N 63.0W MODERATE WEAKENING RAPIDLY 00UTC 18.09.2023 50.3N 57.4W MODERATE WEAKENING SLIGHTLY 12UTC 18.09.2023 53.0N 49.7W MODERATE LITTLE CHANGE 00UTC 19.09.2023 POST-TROPICAL TROPICAL DEPRESSION 94E ANALYSED POSITION : 10.7N 132.1W ATCF IDENTIFIER : EP942023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 14.09.2023 10.7N 132.1W WEAK 12UTC 14.09.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 97L ANALYSED POSITION : 11.7N 35.9W ATCF IDENTIFIER : AL972023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 14.09.2023 11.7N 35.9W WEAK 12UTC 14.09.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 84 HOURS FORECAST POSITION AT T+ 84 : 20.7N 49.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 17.09.2023 20.7N 49.5W WEAK 00UTC 18.09.2023 21.9N 50.7W WEAK LITTLE CHANGE 12UTC 18.09.2023 23.9N 52.9W WEAK LITTLE CHANGE 00UTC 19.09.2023 26.4N 54.7W WEAK LITTLE CHANGE 12UTC 19.09.2023 27.8N 57.7W WEAK LITTLE CHANGE 00UTC 20.09.2023 29.8N 59.5W WEAK LITTLE CHANGE 12UTC 20.09.2023 31.1N 60.5W MODERATE LITTLE CHANGE 00UTC 21.09.2023 32.2N 59.8W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 114 HOURS FORECAST POSITION AT T+114 : 34.9N 75.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 19.09.2023 36.1N 74.0W WEAK LITTLE CHANGE 12UTC 19.09.2023 38.6N 69.9W WEAK LITTLE CHANGE 00UTC 20.09.2023 40.3N 66.4W WEAK LITTLE CHANGE 12UTC 20.09.2023 40.8N 64.0W WEAK WEAKENING SLIGHTLY 00UTC 21.09.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 162 HOURS FORECAST POSITION AT T+162 : 12.7N 42.4W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.09.2023 13.1N 42.4W 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 140411