569 WTNT80 EGRR 310411 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 31.08.2023 TROPICAL STORM IDALIA ANALYSED POSITION : 32.4N 80.6W ATCF IDENTIFIER : AL102023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 31.08.2023 32.4N 80.6W MODERATE 12UTC 31.08.2023 33.6N 76.9W MODERATE WEAKENING SLIGHTLY 00UTC 01.09.2023 33.1N 72.9W MODERATE WEAKENING SLIGHTLY 12UTC 01.09.2023 32.6N 69.8W WEAK WEAKENING SLIGHTLY 00UTC 02.09.2023 31.5N 67.3W WEAK LITTLE CHANGE 12UTC 02.09.2023 31.6N 66.3W WEAK LITTLE CHANGE 00UTC 03.09.2023 32.0N 66.1W WEAK LITTLE CHANGE 12UTC 03.09.2023 31.6N 65.7W WEAK LITTLE CHANGE 00UTC 04.09.2023 31.9N 64.0W WEAK LITTLE CHANGE 12UTC 04.09.2023 32.5N 62.6W WEAK LITTLE CHANGE 00UTC 05.09.2023 33.5N 62.1W WEAK LITTLE CHANGE 12UTC 05.09.2023 34.9N 61.7W WEAK LITTLE CHANGE 00UTC 06.09.2023 36.3N 63.1W WEAK LITTLE CHANGE 12UTC 06.09.2023 37.5N 66.4W WEAK LITTLE CHANGE 00UTC 07.09.2023 38.4N 68.3W WEAK LITTLE CHANGE TROPICAL DEPRESSION 94L ANALYSED POSITION : 15.6N 22.9W ATCF IDENTIFIER : AL942023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 31.08.2023 15.6N 22.9W WEAK 12UTC 31.08.2023 17.1N 24.4W WEAK LITTLE CHANGE 00UTC 01.09.2023 18.0N 26.2W WEAK LITTLE CHANGE 12UTC 01.09.2023 20.2N 27.5W WEAK LITTLE CHANGE 00UTC 02.09.2023 22.2N 29.5W WEAK LITTLE CHANGE 12UTC 02.09.2023 23.2N 30.8W WEAK LITTLE CHANGE 00UTC 03.09.2023 24.7N 32.3W WEAK LITTLE CHANGE 12UTC 03.09.2023 26.1N 33.5W WEAK LITTLE CHANGE 00UTC 04.09.2023 27.3N 34.5W WEAK LITTLE CHANGE 12UTC 04.09.2023 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION GERT ANALYSED POSITION : 28.0N 58.6W ATCF IDENTIFIER : AL062023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 31.08.2023 28.0N 58.6W WEAK 12UTC 31.08.2023 28.3N 57.3W WEAK LITTLE CHANGE 00UTC 01.09.2023 28.2N 55.8W WEAK LITTLE CHANGE 12UTC 01.09.2023 BELOW TROPICAL STORM STRENGTH HURRICANE FRANKLIN ANALYSED POSITION : 34.4N 65.2W ATCF IDENTIFIER : AL082023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 31.08.2023 34.4N 65.2W STRONG 12UTC 31.08.2023 35.2N 62.4W STRONG WEAKENING SLIGHTLY 00UTC 01.09.2023 36.5N 59.4W MODERATE WEAKENING RAPIDLY 12UTC 01.09.2023 38.6N 55.8W MODERATE LITTLE CHANGE 00UTC 02.09.2023 40.2N 50.9W STRONG INTENSIFYING SLIGHTLY 12UTC 02.09.2023 43.3N 45.2W STRONG WEAKENING SLIGHTLY 00UTC 03.09.2023 45.6N 40.0W STRONG LITTLE CHANGE 12UTC 03.09.2023 47.1N 35.2W MODERATE WEAKENING SLIGHTLY 00UTC 04.09.2023 47.7N 30.3W MODERATE WEAKENING SLIGHTLY 12UTC 04.09.2023 48.2N 26.7W MODERATE WEAKENING SLIGHTLY 00UTC 05.09.2023 48.0N 26.1W WEAK LITTLE CHANGE 12UTC 05.09.2023 44.8N 25.6W MODERATE LITTLE CHANGE 00UTC 06.09.2023 41.0N 22.7W MODERATE LITTLE CHANGE 12UTC 06.09.2023 40.0N 18.8W MODERATE LITTLE CHANGE 00UTC 07.09.2023 41.7N 16.9W WEAK LITTLE CHANGE TROPICAL DEPRESSION 11L ANALYSED POSITION : 28.1N 52.2W ATCF IDENTIFIER : AL112023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 31.08.2023 28.1N 52.2W WEAK 12UTC 31.08.2023 28.9N 51.8W WEAK LITTLE CHANGE 00UTC 01.09.2023 31.1N 52.1W WEAK LITTLE CHANGE 12UTC 01.09.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 78 HOURS FORECAST POSITION AT T+ 78 : 27.5N 52.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 03.09.2023 27.7N 52.5W WEAK WEAKENING SLIGHTLY 00UTC 04.09.2023 27.8N 52.2W WEAK LITTLE CHANGE 12UTC 04.09.2023 28.3N 51.6W WEAK LITTLE CHANGE 00UTC 05.09.2023 27.8N 51.3W WEAK LITTLE CHANGE 12UTC 05.09.2023 27.9N 50.3W WEAK LITTLE CHANGE 00UTC 06.09.2023 27.5N 49.5W WEAK LITTLE CHANGE 12UTC 06.09.2023 27.5N 48.5W WEAK LITTLE CHANGE 00UTC 07.09.2023 27.7N 48.3W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 144 HOURS FORECAST POSITION AT T+144 : 13.8N 42.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 06.09.2023 13.8N 42.6W WEAK 12UTC 06.09.2023 14.1N 45.7W WEAK LITTLE CHANGE 00UTC 07.09.2023 15.2N 47.4W 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 310411