088 WTNT80 EGRR 171559 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 17.08.2021 TROPICAL DEPRESSION FRED ANALYSED POSITION : 33.1N 85.1W ATCF IDENTIFIER : AL062021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 17.08.2021 33.1N 85.1W WEAK 00UTC 18.08.2021 34.6N 83.7W WEAK LITTLE CHANGE 12UTC 18.08.2021 38.6N 81.4W WEAK LITTLE CHANGE 00UTC 19.08.2021 40.9N 78.4W WEAK LITTLE CHANGE 12UTC 19.08.2021 42.0N 75.7W WEAK LITTLE CHANGE 00UTC 20.08.2021 42.8N 72.1W WEAK LITTLE CHANGE 12UTC 20.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL STORM GRACE ANALYSED POSITION : 17.7N 76.7W ATCF IDENTIFIER : AL072021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 17.08.2021 17.7N 76.7W WEAK 00UTC 18.08.2021 18.7N 79.5W WEAK LITTLE CHANGE 12UTC 18.08.2021 18.9N 82.7W WEAK LITTLE CHANGE 00UTC 19.08.2021 19.1N 85.8W WEAK LITTLE CHANGE 12UTC 19.08.2021 19.2N 88.5W WEAK LITTLE CHANGE 00UTC 20.08.2021 19.4N 91.7W WEAK INTENSIFYING SLIGHTLY 12UTC 20.08.2021 19.2N 94.4W MODERATE INTENSIFYING SLIGHTLY 00UTC 21.08.2021 18.4N 96.6W MODERATE WEAKENING SLIGHTLY 12UTC 21.08.2021 18.5N 100.9W WEAK LITTLE CHANGE 00UTC 22.08.2021 BELOW TROPICAL STORM STRENGTH TROPICAL STORM HENRI ANALYSED POSITION : 30.1N 63.5W ATCF IDENTIFIER : AL082021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 17.08.2021 30.1N 63.5W WEAK 00UTC 18.08.2021 30.2N 64.7W WEAK LITTLE CHANGE 12UTC 18.08.2021 30.2N 66.1W WEAK LITTLE CHANGE 00UTC 19.08.2021 30.1N 68.1W WEAK LITTLE CHANGE 12UTC 19.08.2021 30.2N 70.1W WEAK LITTLE CHANGE 00UTC 20.08.2021 30.5N 71.5W WEAK LITTLE CHANGE 12UTC 20.08.2021 31.1N 72.4W MODERATE INTENSIFYING SLIGHTLY 00UTC 21.08.2021 32.3N 72.6W MODERATE INTENSIFYING SLIGHTLY 12UTC 21.08.2021 34.7N 71.3W STRONG INTENSIFYING RAPIDLY 00UTC 22.08.2021 38.4N 69.6W STRONG INTENSIFYING SLIGHTLY 12UTC 22.08.2021 41.9N 68.5W STRONG WEAKENING RAPIDLY 00UTC 23.08.2021 44.1N 67.5W MODERATE WEAKENING SLIGHTLY 12UTC 23.08.2021 45.3N 65.6W MODERATE WEAKENING SLIGHTLY HURRICANE LINDA ANALYSED POSITION : 17.5N 126.8W ATCF IDENTIFIER : EP122021 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 17.08.2021 17.5N 126.8W STRONG 00UTC 18.08.2021 17.9N 128.7W MODERATE WEAKENING SLIGHTLY 12UTC 18.08.2021 18.5N 131.1W MODERATE LITTLE CHANGE 00UTC 19.08.2021 19.5N 133.9W MODERATE WEAKENING SLIGHTLY 12UTC 19.08.2021 20.0N 137.2W MODERATE WEAKENING SLIGHTLY 00UTC 20.08.2021 20.5N 140.4W WEAK WEAKENING SLIGHTLY 12UTC 20.08.2021 20.7N 143.9W WEAK LITTLE CHANGE 00UTC 21.08.2021 20.7N 146.5W WEAK LITTLE CHANGE 12UTC 21.08.2021 20.5N 148.9W WEAK LITTLE CHANGE 00UTC 22.08.2021 20.5N 151.2W WEAK LITTLE CHANGE 12UTC 22.08.2021 20.6N 153.5W WEAK LITTLE CHANGE 00UTC 23.08.2021 20.9N 155.6W WEAK LITTLE CHANGE 12UTC 23.08.2021 20.9N 158.5W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 114 HOURS FORECAST POSITION AT T+114 : 18.7N 106.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2021 18.7N 107.5W MODERATE LITTLE CHANGE 00UTC 23.08.2021 18.6N 110.0W MODERATE LITTLE CHANGE 12UTC 23.08.2021 18.8N 112.8W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 12.8N 98.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.08.2021 12.8N 98.6W WEAK 12UTC 23.08.2021 13.7N 101.5W 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 171559