291 WTNT80 EGRR 300359 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 30.09.2020 TROPICAL STORM MARIE ANALYSED POSITION : 13.8N 109.7W ATCF IDENTIFIER : EP182020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 30.09.2020 13.8N 109.7W WEAK 12UTC 30.09.2020 14.7N 112.8W WEAK LITTLE CHANGE 00UTC 01.10.2020 14.9N 116.3W MODERATE LITTLE CHANGE 12UTC 01.10.2020 15.2N 119.8W MODERATE LITTLE CHANGE 00UTC 02.10.2020 15.5N 122.6W MODERATE INTENSIFYING SLIGHTLY 12UTC 02.10.2020 16.5N 124.9W STRONG INTENSIFYING SLIGHTLY 00UTC 03.10.2020 17.8N 127.1W STRONG INTENSIFYING SLIGHTLY 12UTC 03.10.2020 18.9N 128.9W STRONG LITTLE CHANGE 00UTC 04.10.2020 19.5N 130.6W STRONG WEAKENING SLIGHTLY 12UTC 04.10.2020 19.5N 132.4W MODERATE WEAKENING SLIGHTLY 00UTC 05.10.2020 19.1N 134.3W MODERATE WEAKENING SLIGHTLY 12UTC 05.10.2020 18.6N 136.2W MODERATE WEAKENING SLIGHTLY 00UTC 06.10.2020 18.8N 137.8W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 126 HOURS FORECAST POSITION AT T+126 : 31.4N 78.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 05.10.2020 32.2N 77.1W WEAK INTENSIFYING RAPIDLY 00UTC 06.10.2020 32.6N 72.0W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 36.1N 71.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 05.10.2020 36.1N 71.6W WEAK 00UTC 06.10.2020 38.2N 64.1W 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 300358