655 WTNT80 EGRR 270400 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 27.08.2021 TROPICAL DEPRESSION 98L ANALYSED POSITION : 13.0N 44.8W ATCF IDENTIFIER : AL982021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2021 13.0N 44.8W WEAK 12UTC 27.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 97L ANALYSED POSITION : 33.1N 53.4W ATCF IDENTIFIER : AL972021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2021 33.1N 53.4W WEAK 12UTC 27.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL STORM IDA ANALYSED POSITION : 18.2N 79.7W ATCF IDENTIFIER : AL092021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2021 18.2N 79.7W WEAK 12UTC 27.08.2021 20.0N 81.8W WEAK LITTLE CHANGE 00UTC 28.08.2021 21.8N 83.7W WEAK LITTLE CHANGE 12UTC 28.08.2021 23.8N 86.0W MODERATE LITTLE CHANGE 00UTC 29.08.2021 25.7N 88.0W MODERATE INTENSIFYING SLIGHTLY 12UTC 29.08.2021 27.5N 90.0W MODERATE INTENSIFYING SLIGHTLY 00UTC 30.08.2021 28.9N 91.6W STRONG INTENSIFYING RAPIDLY 12UTC 30.08.2021 29.9N 92.1W INTENSE INTENSIFYING SLIGHTLY 00UTC 31.08.2021 31.3N 91.8W STRONG WEAKENING RAPIDLY 12UTC 31.08.2021 32.8N 91.1W STRONG LITTLE CHANGE 00UTC 01.09.2021 34.0N 90.0W MODERATE WEAKENING SLIGHTLY 12UTC 01.09.2021 35.0N 89.0W MODERATE LITTLE CHANGE 00UTC 02.09.2021 34.9N 87.8W MODERATE WEAKENING SLIGHTLY TROPICAL STORM NORA ANALYSED POSITION : 13.8N 101.7W ATCF IDENTIFIER : EP142021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2021 13.8N 101.7W MODERATE 12UTC 27.08.2021 15.1N 103.8W MODERATE LITTLE CHANGE 00UTC 28.08.2021 15.3N 105.9W MODERATE INTENSIFYING SLIGHTLY 12UTC 28.08.2021 16.3N 106.0W MODERATE INTENSIFYING SLIGHTLY 00UTC 29.08.2021 17.8N 106.4W STRONG INTENSIFYING SLIGHTLY 12UTC 29.08.2021 19.8N 106.5W STRONG INTENSIFYING SLIGHTLY 00UTC 30.08.2021 21.7N 107.4W INTENSE INTENSIFYING SLIGHTLY 12UTC 30.08.2021 23.0N 108.1W STRONG LITTLE CHANGE 00UTC 31.08.2021 24.2N 109.0W STRONG LITTLE CHANGE 12UTC 31.08.2021 25.3N 109.7W INTENSE INTENSIFYING SLIGHTLY 00UTC 01.09.2021 26.6N 110.3W STRONG WEAKENING SLIGHTLY 12UTC 01.09.2021 28.0N 110.7W MODERATE WEAKENING RAPIDLY 00UTC 02.09.2021 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 60 HOURS FORECAST POSITION AT T+ 60 : 16.5N 51.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 29.08.2021 16.5N 51.1W WEAK 00UTC 30.08.2021 17.6N 51.4W WEAK LITTLE CHANGE 12UTC 30.08.2021 19.1N 52.0W WEAK LITTLE CHANGE 00UTC 31.08.2021 20.0N 52.2W WEAK LITTLE CHANGE 12UTC 31.08.2021 21.4N 52.7W WEAK LITTLE CHANGE 00UTC 01.09.2021 22.5N 53.4W WEAK LITTLE CHANGE 12UTC 01.09.2021 24.4N 54.2W WEAK LITTLE CHANGE 00UTC 02.09.2021 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 72 HOURS FORECAST POSITION AT T+ 72 : 37.2N 42.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 30.08.2021 37.2N 42.2W WEAK 12UTC 30.08.2021 40.1N 37.7W MODERATE INTENSIFYING SLIGHTLY 00UTC 31.08.2021 42.8N 34.7W MODERATE LITTLE CHANGE 12UTC 31.08.2021 47.2N 35.4W MODERATE LITTLE CHANGE 00UTC 01.09.2021 49.8N 41.9W MODERATE LITTLE CHANGE 12UTC 01.09.2021 49.5N 44.7W WEAK WEAKENING SLIGHTLY 00UTC 02.09.2021 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 270400