642 WTNT80 EGRR 030401 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 03.09.2021 TROPICAL DEPRESSION 91L ANALYSED POSITION : 16.4N 90.1W ATCF IDENTIFIER : AL912021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 03.09.2021 16.4N 90.1W WEAK 12UTC 03.09.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 92L ANALYSED POSITION : 13.3N 19.1W ATCF IDENTIFIER : AL922021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 03.09.2021 13.3N 19.1W WEAK 12UTC 03.09.2021 BELOW TROPICAL STORM STRENGTH HURRICANE LARRY ANALYSED POSITION : 13.9N 36.8W ATCF IDENTIFIER : AL122021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 03.09.2021 13.9N 36.8W MODERATE 12UTC 03.09.2021 14.5N 40.3W MODERATE LITTLE CHANGE 00UTC 04.09.2021 15.5N 43.1W MODERATE LITTLE CHANGE 12UTC 04.09.2021 16.6N 45.8W STRONG LITTLE CHANGE 00UTC 05.09.2021 18.0N 47.8W STRONG INTENSIFYING SLIGHTLY 12UTC 05.09.2021 19.4N 49.9W STRONG LITTLE CHANGE 00UTC 06.09.2021 20.8N 52.0W STRONG INTENSIFYING SLIGHTLY 12UTC 06.09.2021 22.0N 53.8W INTENSE INTENSIFYING SLIGHTLY 00UTC 07.09.2021 23.3N 55.5W INTENSE INTENSIFYING RAPIDLY 12UTC 07.09.2021 25.2N 57.6W INTENSE LITTLE CHANGE 00UTC 08.09.2021 27.2N 59.5W INTENSE INTENSIFYING SLIGHTLY 12UTC 08.09.2021 29.5N 61.4W INTENSE INTENSIFYING SLIGHTLY 00UTC 09.09.2021 32.5N 62.5W INTENSE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 78 HOURS FORECAST POSITION AT T+ 78 : 13.6N 20.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 06.09.2021 13.7N 22.0W WEAK LITTLE CHANGE 00UTC 07.09.2021 14.5N 24.4W WEAK LITTLE CHANGE 12UTC 07.09.2021 15.1N 27.0W WEAK LITTLE CHANGE 00UTC 08.09.2021 15.4N 29.8W WEAK LITTLE CHANGE 12UTC 08.09.2021 15.6N 32.7W WEAK LITTLE CHANGE 00UTC 09.09.2021 16.0N 35.9W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 102 HOURS FORECAST POSITION AT T+102 : 13.3N 122.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 07.09.2021 14.1N 122.3W WEAK LITTLE CHANGE 00UTC 08.09.2021 14.8N 121.6W WEAK LITTLE CHANGE 12UTC 08.09.2021 14.7N 120.5W WEAK LITTLE CHANGE 00UTC 09.09.2021 BELOW TROPICAL STORM STRENGTH 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 030401