472 WTNT80 EGRR 021614 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 02.09.2023 TROPICAL STORM IDALIA ANALYSED POSITION : 32.0N 63.8W ATCF IDENTIFIER : AL102023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 02.09.2023 32.0N 63.8W MODERATE 00UTC 03.09.2023 32.1N 62.8W MODERATE INTENSIFYING SLIGHTLY 12UTC 03.09.2023 33.5N 60.7W MODERATE LITTLE CHANGE 00UTC 04.09.2023 35.8N 59.5W MODERATE LITTLE CHANGE 12UTC 04.09.2023 38.4N 58.8W MODERATE LITTLE CHANGE 00UTC 05.09.2023 40.6N 58.7W MODERATE LITTLE CHANGE 12UTC 05.09.2023 41.3N 61.4W MODERATE LITTLE CHANGE 00UTC 06.09.2023 42.1N 62.6W MODERATE LITTLE CHANGE 12UTC 06.09.2023 42.0N 62.5W MODERATE LITTLE CHANGE 00UTC 07.09.2023 42.5N 64.2W WEAK LITTLE CHANGE 12UTC 07.09.2023 40.8N 63.3W WEAK LITTLE CHANGE 00UTC 08.09.2023 41.9N 62.5W WEAK LITTLE CHANGE 12UTC 08.09.2023 42.6N 62.8W WEAK LITTLE CHANGE 00UTC 09.09.2023 43.5N 62.6W WEAK LITTLE CHANGE 12UTC 09.09.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM KATIA ANALYSED POSITION : 23.6N 29.5W ATCF IDENTIFIER : AL122023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 02.09.2023 23.6N 29.5W WEAK 00UTC 03.09.2023 25.1N 31.2W WEAK LITTLE CHANGE 12UTC 03.09.2023 26.3N 32.5W WEAK LITTLE CHANGE 00UTC 04.09.2023 26.8N 33.7W WEAK LITTLE CHANGE 12UTC 04.09.2023 27.5N 34.9W WEAK LITTLE CHANGE 00UTC 05.09.2023 27.9N 35.4W WEAK LITTLE CHANGE 12UTC 05.09.2023 28.1N 35.6W WEAK LITTLE CHANGE 00UTC 06.09.2023 28.0N 35.4W WEAK LITTLE CHANGE 12UTC 06.09.2023 27.8N 34.5W WEAK LITTLE CHANGE 00UTC 07.09.2023 27.3N 33.7W WEAK LITTLE CHANGE 12UTC 07.09.2023 26.7N 33.3W WEAK LITTLE CHANGE 00UTC 08.09.2023 26.1N 33.9W WEAK LITTLE CHANGE 12UTC 08.09.2023 25.6N 35.2W WEAK LITTLE CHANGE 00UTC 09.09.2023 24.8N 36.3W WEAK LITTLE CHANGE 12UTC 09.09.2023 24.1N 37.5W WEAK LITTLE CHANGE TROPICAL DEPRESSION 95L ANALYSED POSITION : 11.5N 18.5W ATCF IDENTIFIER : AL952023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 02.09.2023 11.5N 18.5W WEAK 00UTC 03.09.2023 BELOW TROPICAL STORM STRENGTH TROPICAL STORM GERT ANALYSED POSITION : 27.8N 54.1W ATCF IDENTIFIER : AL062023 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 02.09.2023 27.8N 54.1W WEAK 00UTC 03.09.2023 28.8N 53.5W WEAK LITTLE CHANGE 12UTC 03.09.2023 30.8N 52.3W WEAK LITTLE CHANGE 00UTC 04.09.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 66 HOURS FORECAST POSITION AT T+ 66 : 37.2N 19.3E VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 05.09.2023 36.0N 19.3E WEAK WEAKENING SLIGHTLY 00UTC 06.09.2023 33.9N 17.6E WEAK LITTLE CHANGE 12UTC 06.09.2023 34.0N 18.5E WEAK LITTLE CHANGE 00UTC 07.09.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 72 HOURS FORECAST POSITION AT T+ 72 : 14.0N 16.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 05.09.2023 14.0N 16.6W WEAK 00UTC 06.09.2023 15.0N 18.0W WEAK LITTLE CHANGE 12UTC 06.09.2023 17.1N 19.2W WEAK LITTLE CHANGE 00UTC 07.09.2023 18.5N 20.4W WEAK LITTLE CHANGE 12UTC 07.09.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 120 HOURS FORECAST POSITION AT T+120 : 33.1N 16.2E VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 07.09.2023 33.1N 16.2E WEAK 00UTC 08.09.2023 34.0N 16.4E WEAK LITTLE CHANGE 12UTC 08.09.2023 33.0N 15.8E WEAK LITTLE CHANGE 00UTC 09.09.2023 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 138 HOURS FORECAST POSITION AT T+138 : 13.4N 122.4W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.09.2023 13.5N 123.8W WEAK LITTLE CHANGE 00UTC 09.09.2023 14.2N 126.8W WEAK LITTLE CHANGE 12UTC 09.09.2023 14.9N 130.5W 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 021614