853 WTNT80 EGRR 220359 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 22.08.2020 TROPICAL STORM GENEVIEVE ANALYSED POSITION : 26.4N 116.2W ATCF IDENTIFIER : EP122020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 22.08.2020 26.4N 116.2W WEAK 12UTC 22.08.2020 27.8N 118.1W WEAK LITTLE CHANGE 00UTC 23.08.2020 28.9N 119.6W WEAK LITTLE CHANGE 12UTC 23.08.2020 30.4N 120.9W WEAK LITTLE CHANGE 00UTC 24.08.2020 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 14L ANALYSED POSITION : 18.0N 84.8W ATCF IDENTIFIER : AL142020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 22.08.2020 18.0N 84.8W WEAK 12UTC 22.08.2020 BELOW TROPICAL STORM STRENGTH TROPICAL STORM LAURA ANALYSED POSITION : 17.6N 63.7W ATCF IDENTIFIER : AL132020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 22.08.2020 17.6N 63.7W WEAK 12UTC 22.08.2020 BELOW TROPICAL STORM STRENGTH TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 10.3N 142.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 22.08.2020 10.3N 142.9W WEAK 12UTC 22.08.2020 10.6N 142.5W WEAK LITTLE CHANGE 00UTC 23.08.2020 12.0N 142.6W WEAK LITTLE CHANGE 12UTC 23.08.2020 13.0N 143.1W WEAK LITTLE CHANGE 00UTC 24.08.2020 13.4N 142.8W WEAK LITTLE CHANGE 12UTC 24.08.2020 14.3N 142.5W WEAK LITTLE CHANGE 00UTC 25.08.2020 14.9N 142.7W WEAK LITTLE CHANGE 12UTC 25.08.2020 15.1N 143.4W MODERATE LITTLE CHANGE 00UTC 26.08.2020 15.2N 144.8W WEAK LITTLE CHANGE 12UTC 26.08.2020 15.0N 146.6W WEAK LITTLE CHANGE 00UTC 27.08.2020 14.6N 148.8W WEAK LITTLE CHANGE 12UTC 27.08.2020 14.2N 150.9W WEAK LITTLE CHANGE 00UTC 28.08.2020 14.2N 153.0W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 30 HOURS FORECAST POSITION AT T+ 30 : 17.8N 72.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 23.08.2020 18.9N 74.3W WEAK LITTLE CHANGE 00UTC 24.08.2020 19.5N 77.4W WEAK LITTLE CHANGE 12UTC 24.08.2020 20.8N 81.4W WEAK LITTLE CHANGE 00UTC 25.08.2020 22.3N 85.1W MODERATE LITTLE CHANGE 12UTC 25.08.2020 23.6N 88.6W MODERATE INTENSIFYING SLIGHTLY 00UTC 26.08.2020 24.8N 91.8W MODERATE INTENSIFYING SLIGHTLY 12UTC 26.08.2020 26.1N 94.7W STRONG INTENSIFYING SLIGHTLY 00UTC 27.08.2020 27.4N 96.8W STRONG INTENSIFYING RAPIDLY 12UTC 27.08.2020 29.3N 97.7W STRONG WEAKENING SLIGHTLY 00UTC 28.08.2020 32.0N 97.4W STRONG LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 42 HOURS FORECAST POSITION AT T+ 42 : 23.8N 88.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 24.08.2020 24.8N 89.3W WEAK LITTLE CHANGE 12UTC 24.08.2020 27.2N 90.9W WEAK LITTLE CHANGE 00UTC 25.08.2020 28.9N 92.6W WEAK LITTLE CHANGE 12UTC 25.08.2020 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 60 HOURS FORECAST POSITION AT T+ 60 : 14.6N 116.4W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 24.08.2020 14.6N 116.4W WEAK 00UTC 25.08.2020 15.7N 115.4W WEAK LITTLE CHANGE 12UTC 25.08.2020 16.1N 116.5W WEAK LITTLE CHANGE 00UTC 26.08.2020 16.6N 116.0W WEAK LITTLE CHANGE 12UTC 26.08.2020 17.3N 116.3W MODERATE LITTLE CHANGE 00UTC 27.08.2020 18.0N 116.9W MODERATE LITTLE CHANGE 12UTC 27.08.2020 18.0N 117.7W MODERATE INTENSIFYING SLIGHTLY 00UTC 28.08.2020 17.9N 118.1W MODERATE 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 220359