206 WTNT80 EGRR 211601 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 21.08.2021 TROPICAL STORM LINDA ANALYSED POSITION : 19.9N 148.3W ATCF IDENTIFIER : EP122021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 21.08.2021 19.9N 148.3W WEAK 00UTC 22.08.2021 20.0N 150.2W WEAK LITTLE CHANGE 12UTC 22.08.2021 20.2N 152.1W WEAK LITTLE CHANGE 00UTC 23.08.2021 20.3N 153.8W WEAK LITTLE CHANGE 12UTC 23.08.2021 20.5N 155.7W WEAK LITTLE CHANGE 00UTC 24.08.2021 20.1N 158.9W WEAK LITTLE CHANGE 12UTC 24.08.2021 BELOW TROPICAL STORM STRENGTH HURRICANE GRACE ANALYSED POSITION : 20.2N 97.4W ATCF IDENTIFIER : AL072021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 21.08.2021 20.2N 97.4W WEAK 00UTC 22.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL STORM HENRI ANALYSED POSITION : 33.5N 72.5W ATCF IDENTIFIER : AL082021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 21.08.2021 33.5N 72.5W MODERATE 00UTC 22.08.2021 37.4N 71.4W MODERATE LITTLE CHANGE 12UTC 22.08.2021 40.4N 71.9W MODERATE LITTLE CHANGE 00UTC 23.08.2021 41.7N 73.4W MODERATE WEAKENING SLIGHTLY 12UTC 23.08.2021 42.5N 74.3W WEAK WEAKENING SLIGHTLY 00UTC 24.08.2021 42.2N 72.4W WEAK LITTLE CHANGE 12UTC 24.08.2021 43.4N 68.4W WEAK LITTLE CHANGE 00UTC 25.08.2021 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 36 HOURS FORECAST POSITION AT T+ 36 : 21.3N 109.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.08.2021 21.3N 109.0W WEAK 12UTC 23.08.2021 22.2N 111.6W WEAK LITTLE CHANGE 00UTC 24.08.2021 23.2N 113.9W WEAK LITTLE CHANGE 12UTC 24.08.2021 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 54 HOURS FORECAST POSITION AT T+ 54 : 11.6N 134.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 24.08.2021 12.1N 134.1W WEAK WEAKENING SLIGHTLY 12UTC 24.08.2021 12.7N 133.4W WEAK LITTLE CHANGE 00UTC 25.08.2021 12.7N 132.2W WEAK LITTLE CHANGE 12UTC 25.08.2021 12.8N 131.5W WEAK LITTLE CHANGE 00UTC 26.08.2021 12.8N 131.0W WEAK LITTLE CHANGE 12UTC 26.08.2021 12.5N 130.8W WEAK LITTLE CHANGE 00UTC 27.08.2021 12.2N 130.8W WEAK LITTLE CHANGE 12UTC 27.08.2021 12.0N 130.8W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 78 HOURS FORECAST POSITION AT T+ 78 : 16.1N 109.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 25.08.2021 16.4N 109.7W WEAK WEAKENING SLIGHTLY 12UTC 25.08.2021 16.7N 111.5W WEAK LITTLE CHANGE 00UTC 26.08.2021 17.2N 113.4W WEAK LITTLE CHANGE 12UTC 26.08.2021 17.4N 115.8W MODERATE LITTLE CHANGE 00UTC 27.08.2021 17.7N 118.1W MODERATE LITTLE CHANGE 12UTC 27.08.2021 18.2N 120.0W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 102 HOURS FORECAST POSITION AT T+102 : 30.0N 52.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 26.08.2021 31.1N 52.9W WEAK WEAKENING SLIGHTLY 12UTC 26.08.2021 32.6N 53.5W WEAK LITTLE CHANGE 00UTC 27.08.2021 33.0N 52.5W WEAK LITTLE CHANGE 12UTC 27.08.2021 32.0N 50.6W WEAK INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 11.0N 94.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.08.2021 11.0N 94.2W WEAK 12UTC 27.08.2021 12.0N 93.8W 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 211601