483 WTNT80 EGRR 010406 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 01.09.2018 HURRICANE MIRIAM ANALYSED POSITION : 20.2N 140.8W ATCF IDENTIFIER : EP152018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 01.09.2018 20.2N 140.8W STRONG 12UTC 01.09.2018 22.3N 141.1W MODERATE WEAKENING RAPIDLY 00UTC 02.09.2018 24.2N 141.6W WEAK WEAKENING SLIGHTLY 12UTC 02.09.2018 25.9N 143.0W WEAK WEAKENING SLIGHTLY 00UTC 03.09.2018 27.4N 144.2W WEAK LITTLE CHANGE 12UTC 03.09.2018 BELOW TROPICAL STORM STRENGTH HURRICANE NORMAN ANALYSED POSITION : 16.1N 121.7W ATCF IDENTIFIER : EP162018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 01.09.2018 16.1N 121.7W STRONG 12UTC 01.09.2018 16.1N 123.2W MODERATE LITTLE CHANGE 00UTC 02.09.2018 16.4N 125.1W STRONG LITTLE CHANGE 12UTC 02.09.2018 16.8N 127.3W STRONG LITTLE CHANGE 00UTC 03.09.2018 17.8N 130.0W STRONG INTENSIFYING SLIGHTLY 12UTC 03.09.2018 18.8N 132.8W STRONG WEAKENING SLIGHTLY 00UTC 04.09.2018 19.8N 135.7W STRONG WEAKENING SLIGHTLY 12UTC 04.09.2018 20.3N 138.5W MODERATE WEAKENING SLIGHTLY 00UTC 05.09.2018 20.5N 141.0W MODERATE WEAKENING SLIGHTLY 12UTC 05.09.2018 20.6N 143.1W MODERATE LITTLE CHANGE 00UTC 06.09.2018 20.8N 144.9W MODERATE LITTLE CHANGE 12UTC 06.09.2018 21.4N 146.5W MODERATE LITTLE CHANGE 00UTC 07.09.2018 22.0N 148.4W WEAK LITTLE CHANGE TROPICAL DEPRESSION 17E ANALYSED POSITION : 14.6N 107.5W ATCF IDENTIFIER : EP172018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 01.09.2018 14.6N 107.5W WEAK 12UTC 01.09.2018 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION 06L ANALYSED POSITION : 14.2N 25.1W ATCF IDENTIFIER : AL062018 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 01.09.2018 14.2N 25.1W WEAK 12UTC 01.09.2018 14.5N 27.7W MODERATE INTENSIFYING SLIGHTLY 00UTC 02.09.2018 15.3N 29.8W MODERATE LITTLE CHANGE 12UTC 02.09.2018 16.2N 32.3W MODERATE LITTLE CHANGE 00UTC 03.09.2018 17.3N 34.9W MODERATE LITTLE CHANGE 12UTC 03.09.2018 17.7N 38.0W MODERATE LITTLE CHANGE 00UTC 04.09.2018 18.3N 40.2W MODERATE LITTLE CHANGE 12UTC 04.09.2018 18.9N 42.2W MODERATE LITTLE CHANGE 00UTC 05.09.2018 19.8N 43.8W MODERATE LITTLE CHANGE 12UTC 05.09.2018 21.3N 45.4W MODERATE LITTLE CHANGE 00UTC 06.09.2018 23.0N 46.7W MODERATE INTENSIFYING SLIGHTLY 12UTC 06.09.2018 24.4N 48.3W MODERATE LITTLE CHANGE 00UTC 07.09.2018 25.3N 49.4W STRONG INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 42 HOURS FORECAST POSITION AT T+ 42 : 17.1N 112.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 03.09.2018 17.2N 113.2W WEAK WEAKENING SLIGHTLY 12UTC 03.09.2018 17.8N 114.2W WEAK LITTLE CHANGE 00UTC 04.09.2018 18.0N 115.1W WEAK LITTLE CHANGE 12UTC 04.09.2018 17.7N 117.2W WEAK LITTLE CHANGE 00UTC 05.09.2018 17.6N 119.1W MODERATE LITTLE CHANGE 12UTC 05.09.2018 17.5N 121.8W MODERATE INTENSIFYING SLIGHTLY 00UTC 06.09.2018 17.5N 123.7W MODERATE LITTLE CHANGE 12UTC 06.09.2018 18.2N 126.1W MODERATE LITTLE CHANGE 00UTC 07.09.2018 19.3N 128.7W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 114 HOURS FORECAST POSITION AT T+114 : 28.6N 94.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 06.09.2018 28.2N 94.4W WEAK WEAKENING RAPIDLY 12UTC 06.09.2018 28.3N 95.7W WEAK LITTLE CHANGE 00UTC 07.09.2018 27.3N 97.1W WEAK INTENSIFYING SLIGHTLY 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 010406