000 WTNT80 EGRR 211605 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 21.10.2017 NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 96 HOURS FORECAST POSITION AT T+ 96 : 21.7N 153.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 25.10.2017 21.7N 153.3W WEAK 00UTC 26.10.2017 24.4N 150.4W WEAK LITTLE CHANGE 12UTC 26.10.2017 30.6N 148.0W MODERATE INTENSIFYING SLIGHTLY 00UTC 27.10.2017 29.0N 151.2W WEAK WEAKENING SLIGHTLY 12UTC 27.10.2017 27.3N 152.1W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 120 HOURS FORECAST POSITION AT T+120 : 10.4N 87.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 26.10.2017 10.4N 87.0W WEAK 00UTC 27.10.2017 10.1N 87.4W WEAK LITTLE CHANGE 12UTC 27.10.2017 10.5N 87.9W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 138 HOURS FORECAST POSITION AT T+138 : 14.9N 81.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.10.2017 15.5N 82.2W WEAK WEAKENING 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 211605