196 WTNT80 EGRR 241601 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 24.08.2021 TROPICAL DEPRESSION HENRI ANALYSED POSITION : 42.2N 69.8W ATCF IDENTIFIER : AL082021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 24.08.2021 42.2N 69.8W WEAK 00UTC 25.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION LINDA ANALYSED POSITION : 19.2N 156.6W ATCF IDENTIFIER : EP122021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 24.08.2021 19.2N 156.6W WEAK 00UTC 25.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 98L ANALYSED POSITION : 10.0N 25.2W ATCF IDENTIFIER : AL982021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 24.08.2021 10.0N 25.2W WEAK 00UTC 25.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL STORM 97L ANALYSED POSITION : 21.8N 47.6W ATCF IDENTIFIER : AL972021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 24.08.2021 21.8N 47.6W WEAK 00UTC 25.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 95E ANALYSED POSITION : 12.4N 94.5W ATCF IDENTIFIER : EP952021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 24.08.2021 12.4N 94.5W WEAK 00UTC 25.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION MARTY ANALYSED POSITION : 20.3N 117.4W ATCF IDENTIFIER : EP132021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 24.08.2021 20.3N 117.4W WEAK 00UTC 25.08.2021 20.5N 119.7W WEAK LITTLE CHANGE 12UTC 25.08.2021 20.5N 122.1W WEAK LITTLE CHANGE 00UTC 26.08.2021 20.3N 124.2W WEAK LITTLE CHANGE 12UTC 26.08.2021 20.1N 126.8W WEAK LITTLE CHANGE 00UTC 27.08.2021 19.6N 128.9W WEAK LITTLE CHANGE 12UTC 27.08.2021 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 12 HOURS FORECAST POSITION AT T+ 12 : 11.6N 128.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 25.08.2021 11.6N 128.9W WEAK 12UTC 25.08.2021 11.9N 126.7W WEAK LITTLE CHANGE 00UTC 26.08.2021 12.6N 125.2W WEAK LITTLE CHANGE 12UTC 26.08.2021 13.1N 124.5W WEAK LITTLE CHANGE 00UTC 27.08.2021 13.4N 123.8W WEAK LITTLE CHANGE 12UTC 27.08.2021 13.3N 123.4W WEAK LITTLE CHANGE 00UTC 28.08.2021 13.0N 123.0W WEAK LITTLE CHANGE 12UTC 28.08.2021 12.5N 122.4W WEAK LITTLE CHANGE 00UTC 29.08.2021 12.3N 121.4W WEAK LITTLE CHANGE 12UTC 29.08.2021 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 30 HOURS FORECAST POSITION AT T+ 30 : 11.2N 141.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 26.08.2021 11.2N 141.8W WEAK LITTLE CHANGE 12UTC 26.08.2021 11.1N 141.8W WEAK LITTLE CHANGE 00UTC 27.08.2021 10.8N 142.5W WEAK LITTLE CHANGE 12UTC 27.08.2021 10.5N 143.4W WEAK LITTLE CHANGE 00UTC 28.08.2021 10.0N 144.4W WEAK LITTLE CHANGE 12UTC 28.08.2021 9.8N 145.6W WEAK LITTLE CHANGE 00UTC 29.08.2021 10.0N 147.2W WEAK LITTLE CHANGE 12UTC 29.08.2021 10.5N 148.6W WEAK LITTLE CHANGE 00UTC 30.08.2021 11.4N 150.2W WEAK LITTLE CHANGE 12UTC 30.08.2021 12.0N 151.7W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 54 HOURS FORECAST POSITION AT T+ 54 : 31.2N 56.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2021 31.8N 56.4W WEAK WEAKENING SLIGHTLY 12UTC 27.08.2021 32.4N 55.3W WEAK LITTLE CHANGE 00UTC 28.08.2021 32.1N 53.9W WEAK LITTLE CHANGE 12UTC 28.08.2021 32.2N 52.5W WEAK INTENSIFYING SLIGHTLY 00UTC 29.08.2021 32.5N 51.5W MODERATE INTENSIFYING SLIGHTLY 12UTC 29.08.2021 33.1N 49.9W MODERATE INTENSIFYING SLIGHTLY 00UTC 30.08.2021 33.9N 46.4W STRONG INTENSIFYING RAPIDLY 12UTC 30.08.2021 36.7N 41.5W INTENSE INTENSIFYING RAPIDLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 60 HOURS FORECAST POSITION AT T+ 60 : 13.9N 102.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2021 13.9N 102.6W WEAK 12UTC 27.08.2021 14.1N 106.1W WEAK LITTLE CHANGE 00UTC 28.08.2021 15.0N 108.6W MODERATE LITTLE CHANGE 12UTC 28.08.2021 15.6N 109.5W MODERATE LITTLE CHANGE 00UTC 29.08.2021 16.3N 110.8W MODERATE LITTLE CHANGE 12UTC 29.08.2021 16.7N 111.3W MODERATE LITTLE CHANGE 00UTC 30.08.2021 17.8N 111.3W MODERATE LITTLE CHANGE 12UTC 30.08.2021 18.9N 112.0W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 114 HOURS FORECAST POSITION AT T+114 : 20.0N 91.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 29.08.2021 20.8N 92.6W WEAK LITTLE CHANGE 00UTC 30.08.2021 22.8N 94.9W WEAK LITTLE CHANGE 12UTC 30.08.2021 23.9N 96.6W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 138 HOURS FORECAST POSITION AT T+138 : 12.8N 94.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 30.08.2021 13.3N 94.5W 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 241601