988 WTNT80 EGRR 221600 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 22.08.2020 TROPICAL DEPRESSION 91C ANALYSED POSITION : 10.6N 142.2W ATCF IDENTIFIER : CP912020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2020 10.6N 142.2W WEAK 00UTC 23.08.2020 11.7N 141.8W WEAK LITTLE CHANGE 12UTC 23.08.2020 12.5N 141.7W WEAK LITTLE CHANGE 00UTC 24.08.2020 13.0N 140.7W WEAK LITTLE CHANGE 12UTC 24.08.2020 13.8N 139.9W WEAK LITTLE CHANGE 00UTC 25.08.2020 14.0N 139.5W WEAK LITTLE CHANGE 12UTC 25.08.2020 13.5N 139.2W WEAK LITTLE CHANGE 00UTC 26.08.2020 13.2N 139.2W WEAK LITTLE CHANGE 12UTC 26.08.2020 13.1N 139.4W WEAK LITTLE CHANGE 00UTC 27.08.2020 13.3N 139.7W WEAK LITTLE CHANGE 12UTC 27.08.2020 13.0N 140.4W WEAK LITTLE CHANGE 00UTC 28.08.2020 13.0N 141.5W WEAK LITTLE CHANGE 12UTC 28.08.2020 12.8N 142.4W WEAK LITTLE CHANGE TROPICAL STORM MARCO ANALYSED POSITION : 19.9N 85.5W ATCF IDENTIFIER : AL142020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2020 19.9N 85.5W WEAK 00UTC 23.08.2020 21.9N 86.4W WEAK LITTLE CHANGE 12UTC 23.08.2020 23.3N 87.8W WEAK LITTLE CHANGE 00UTC 24.08.2020 25.0N 88.4W WEAK LITTLE CHANGE 12UTC 24.08.2020 27.2N 89.5W WEAK LITTLE CHANGE 00UTC 25.08.2020 28.7N 90.9W WEAK LITTLE CHANGE 12UTC 25.08.2020 BELOW TROPICAL STORM STRENGTH TROPICAL STORM LAURA ANALYSED POSITION : 18.7N 65.9W ATCF IDENTIFIER : AL132020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 22.08.2020 18.7N 65.9W WEAK 00UTC 23.08.2020 18.0N 69.4W WEAK LITTLE CHANGE 12UTC 23.08.2020 19.7N 73.4W WEAK LITTLE CHANGE 00UTC 24.08.2020 19.7N 76.8W WEAK LITTLE CHANGE 12UTC 24.08.2020 21.1N 80.9W WEAK LITTLE CHANGE 00UTC 25.08.2020 22.5N 84.2W MODERATE LITTLE CHANGE 12UTC 25.08.2020 23.9N 87.4W MODERATE INTENSIFYING SLIGHTLY 00UTC 26.08.2020 25.3N 90.2W MODERATE INTENSIFYING SLIGHTLY 12UTC 26.08.2020 26.7N 92.4W STRONG INTENSIFYING SLIGHTLY 00UTC 27.08.2020 28.3N 93.7W STRONG INTENSIFYING RAPIDLY 12UTC 27.08.2020 30.6N 93.7W STRONG LITTLE CHANGE 00UTC 28.08.2020 33.7N 92.6W STRONG WEAKENING SLIGHTLY 12UTC 28.08.2020 36.3N 90.8W STRONG LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 36 HOURS FORECAST POSITION AT T+ 36 : 14.5N 119.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 24.08.2020 14.5N 119.0W WEAK 12UTC 24.08.2020 14.4N 117.7W WEAK LITTLE CHANGE 00UTC 25.08.2020 15.0N 117.0W WEAK LITTLE CHANGE 12UTC 25.08.2020 15.6N 117.4W WEAK LITTLE CHANGE 00UTC 26.08.2020 15.7N 118.1W WEAK LITTLE CHANGE 12UTC 26.08.2020 16.1N 118.1W WEAK LITTLE CHANGE 00UTC 27.08.2020 16.7N 117.7W WEAK LITTLE CHANGE 12UTC 27.08.2020 17.2N 117.2W WEAK LITTLE CHANGE 00UTC 28.08.2020 18.0N 117.2W MODERATE LITTLE CHANGE 12UTC 28.08.2020 18.6N 118.3W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 144 HOURS FORECAST POSITION AT T+144 : 15.4N 94.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 28.08.2020 15.4N 94.9W WEAK 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 221600