434 WTNT80 EGRR 040359 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 04.10.2020 TROPICAL DEPRESSION 92L ANALYSED POSITION : 9.9N 71.3W ATCF IDENTIFIER : AL922020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 04.10.2020 9.9N 71.3W WEAK 12UTC 04.10.2020 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 95E ANALYSED POSITION : 9.9N 102.5W ATCF IDENTIFIER : EP952020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 04.10.2020 9.9N 102.5W WEAK 12UTC 04.10.2020 10.5N 104.1W WEAK LITTLE CHANGE 00UTC 05.10.2020 11.8N 105.9W WEAK LITTLE CHANGE 12UTC 05.10.2020 13.4N 107.1W WEAK LITTLE CHANGE 00UTC 06.10.2020 14.4N 108.0W WEAK LITTLE CHANGE 12UTC 06.10.2020 BELOW TROPICAL STORM STRENGTH HURRICANE MARIE ANALYSED POSITION : 19.3N 127.6W ATCF IDENTIFIER : EP182020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 04.10.2020 19.3N 127.6W INTENSE 12UTC 04.10.2020 20.0N 128.5W STRONG WEAKENING SLIGHTLY 00UTC 05.10.2020 20.7N 129.7W STRONG WEAKENING SLIGHTLY 12UTC 05.10.2020 21.4N 130.8W MODERATE WEAKENING SLIGHTLY 00UTC 06.10.2020 22.4N 132.0W MODERATE WEAKENING SLIGHTLY 12UTC 06.10.2020 23.4N 133.4W MODERATE WEAKENING SLIGHTLY 00UTC 07.10.2020 23.9N 134.3W WEAK WEAKENING SLIGHTLY 12UTC 07.10.2020 25.4N 134.6W WEAK LITTLE CHANGE 00UTC 08.10.2020 26.5N 133.4W MODERATE INTENSIFYING SLIGHTLY 12UTC 08.10.2020 27.8N 132.6W WEAK WEAKENING SLIGHTLY 00UTC 09.10.2020 29.2N 131.4W WEAK LITTLE CHANGE 12UTC 09.10.2020 BELOW TROPICAL STORM STRENGTH TROPICAL STORM GAMMA ANALYSED POSITION : 20.7N 87.9W ATCF IDENTIFIER : AL252020 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 04.10.2020 20.7N 87.9W MODERATE 12UTC 04.10.2020 21.5N 88.1W WEAK WEAKENING SLIGHTLY 00UTC 05.10.2020 21.7N 87.8W WEAK LITTLE CHANGE 12UTC 05.10.2020 21.1N 88.4W WEAK LITTLE CHANGE 00UTC 06.10.2020 21.3N 89.7W WEAK LITTLE CHANGE 12UTC 06.10.2020 20.2N 90.7W WEAK LITTLE CHANGE 00UTC 07.10.2020 20.0N 91.4W MODERATE LITTLE CHANGE 12UTC 07.10.2020 19.7N 91.4W MODERATE INTENSIFYING SLIGHTLY 00UTC 08.10.2020 20.7N 91.0W MODERATE LITTLE CHANGE 12UTC 08.10.2020 22.2N 91.7W MODERATE LITTLE CHANGE 00UTC 09.10.2020 23.1N 92.9W MODERATE LITTLE CHANGE 12UTC 09.10.2020 22.8N 93.7W MODERATE LITTLE CHANGE 00UTC 10.10.2020 22.5N 93.6W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 18 HOURS FORECAST POSITION AT T+ 18 : 32.1N 77.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 05.10.2020 33.1N 75.9W WEAK WEAKENING SLIGHTLY 12UTC 05.10.2020 35.8N 69.7W WEAK LITTLE CHANGE 00UTC 06.10.2020 40.2N 60.1W WEAK LITTLE CHANGE 12UTC 06.10.2020 41.2N 51.8W WEAK LITTLE CHANGE 00UTC 07.10.2020 44.0N 41.6W WEAK LITTLE CHANGE 12UTC 07.10.2020 46.4N 31.4W WEAK LITTLE CHANGE 00UTC 08.10.2020 49.2N 18.5W WEAK LITTLE CHANGE 12UTC 08.10.2020 51.1N 7.7W MODERATE INTENSIFYING SLIGHTLY 00UTC 09.10.2020 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 18 HOURS FORECAST POSITION AT T+ 18 : 35.9N 72.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 05.10.2020 37.2N 70.9W WEAK WEAKENING SLIGHTLY 12UTC 05.10.2020 39.1N 65.6W WEAK LITTLE CHANGE 00UTC 06.10.2020 39.8N 61.8W WEAK LITTLE CHANGE 12UTC 06.10.2020 41.2N 51.8W WEAK LITTLE CHANGE 00UTC 07.10.2020 44.0N 41.6W WEAK LITTLE CHANGE 12UTC 07.10.2020 46.4N 31.4W WEAK LITTLE CHANGE 00UTC 08.10.2020 49.2N 18.5W WEAK LITTLE CHANGE 12UTC 08.10.2020 51.1N 7.7W MODERATE INTENSIFYING SLIGHTLY 00UTC 09.10.2020 BELOW TROPICAL STORM STRENGTH 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 040359