000 WTNT80 EGRR 301618 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 30.07.2017 TROPICAL STORM HILARY ANALYSED POSITION : 24.1N 125.4W ATCF IDENTIFIER : EP092017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 30.07.2017 24.1N 125.4W WEAK 00UTC 31.07.2017 25.6N 128.0W WEAK WEAKENING SLIGHTLY 12UTC 31.07.2017 26.9N 130.5W WEAK LITTLE CHANGE 00UTC 01.08.2017 BELOW TROPICAL STORM STRENGTH TROPICAL STORM IRWIN ANALYSED POSITION : 17.5N 125.3W ATCF IDENTIFIER : EP102017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 30.07.2017 17.5N 125.3W MODERATE 00UTC 31.07.2017 19.2N 126.3W MODERATE WEAKENING SLIGHTLY 12UTC 31.07.2017 21.4N 127.5W WEAK LITTLE CHANGE 00UTC 01.08.2017 23.8N 128.6W WEAK LITTLE CHANGE 12UTC 01.08.2017 25.7N 129.7W WEAK LITTLE CHANGE 00UTC 02.08.2017 27.2N 130.8W WEAK LITTLE CHANGE 12UTC 02.08.2017 27.8N 132.0W WEAK LITTLE CHANGE 00UTC 03.08.2017 28.1N 132.4W WEAK LITTLE CHANGE 12UTC 03.08.2017 28.5N 132.1W WEAK LITTLE CHANGE 00UTC 04.08.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 30 HOURS FORECAST POSITION AT T+ 30 : 30.4N 76.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 01.08.2017 30.9N 75.6W WEAK WEAKENING SLIGHTLY 12UTC 01.08.2017 32.5N 73.4W WEAK LITTLE CHANGE 00UTC 02.08.2017 34.1N 69.5W WEAK LITTLE CHANGE 12UTC 02.08.2017 35.5N 65.3W WEAK LITTLE CHANGE 00UTC 03.08.2017 36.2N 61.6W WEAK LITTLE CHANGE 12UTC 03.08.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 72 HOURS FORECAST POSITION AT T+ 72 : 30.3N 79.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 02.08.2017 30.3N 79.0W WEAK 00UTC 03.08.2017 32.2N 75.9W WEAK LITTLE CHANGE 12UTC 03.08.2017 33.5N 73.1W WEAK LITTLE CHANGE 00UTC 04.08.2017 34.7N 70.0W WEAK LITTLE CHANGE 12UTC 04.08.2017 35.1N 67.1W WEAK LITTLE CHANGE 00UTC 05.08.2017 35.5N 65.8W WEAK LITTLE CHANGE 12UTC 05.08.2017 34.9N 63.8W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 90 HOURS FORECAST POSITION AT T+ 90 : 15.7N 103.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 03.08.2017 15.9N 105.0W WEAK INTENSIFYING SLIGHTLY 00UTC 04.08.2017 17.0N 107.6W WEAK LITTLE CHANGE 12UTC 04.08.2017 17.7N 109.3W WEAK LITTLE CHANGE 00UTC 05.08.2017 18.8N 110.8W WEAK LITTLE CHANGE 12UTC 05.08.2017 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 301618