000 WTNT80 EGRR 061618 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 06.08.2017 NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 36 HOURS FORECAST POSITION AT T+ 36 : 17.7N 85.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 08.08.2017 17.7N 85.9W WEAK 12UTC 08.08.2017 18.6N 87.8W WEAK LITTLE CHANGE 00UTC 09.08.2017 19.2N 90.3W MODERATE LITTLE CHANGE 12UTC 09.08.2017 19.4N 93.0W MODERATE INTENSIFYING SLIGHTLY 00UTC 10.08.2017 19.0N 95.6W MODERATE INTENSIFYING SLIGHTLY 12UTC 10.08.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 48 HOURS FORECAST POSITION AT T+ 48 : 40.5N 71.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 08.08.2017 40.5N 71.3W WEAK 00UTC 09.08.2017 42.9N 64.0W WEAK LITTLE CHANGE 12UTC 09.08.2017 45.0N 57.2W WEAK LITTLE CHANGE 00UTC 10.08.2017 45.8N 50.4W WEAK WEAKENING SLIGHTLY 12UTC 10.08.2017 46.3N 44.1W WEAK WEAKENING SLIGHTLY 00UTC 11.08.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 138 HOURS FORECAST POSITION AT T+138 : 14.9N 100.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 12.08.2017 15.3N 101.5W MODERATE 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 061618