000 WTNT80 EGRR 241606 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 24.10.2017 NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 54 HOURS FORECAST POSITION AT T+ 54 : 11.4N 87.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.10.2017 11.2N 87.6W WEAK WEAKENING RAPIDLY 12UTC 27.10.2017 11.8N 87.9W WEAK LITTLE CHANGE 00UTC 28.10.2017 13.4N 87.4W WEAK WEAKENING SLIGHTLY 12UTC 28.10.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 60 HOURS FORECAST POSITION AT T+ 60 : 8.2N 96.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.10.2017 8.2N 96.6W WEAK 12UTC 27.10.2017 8.6N 96.6W WEAK LITTLE CHANGE 00UTC 28.10.2017 9.5N 96.4W WEAK LITTLE CHANGE 12UTC 28.10.2017 11.3N 95.2W WEAK LITTLE CHANGE 00UTC 29.10.2017 12.5N 94.5W WEAK LITTLE CHANGE 12UTC 29.10.2017 13.1N 93.8W WEAK LITTLE CHANGE 00UTC 30.10.2017 13.2N 93.5W WEAK LITTLE CHANGE 12UTC 30.10.2017 13.0N 93.5W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 66 HOURS FORECAST POSITION AT T+ 66 : 16.9N 83.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.10.2017 17.1N 83.9W WEAK LITTLE CHANGE 00UTC 28.10.2017 19.4N 83.4W WEAK INTENSIFYING SLIGHTLY 12UTC 28.10.2017 22.3N 82.7W MODERATE INTENSIFYING SLIGHTLY 00UTC 29.10.2017 25.2N 80.7W MODERATE INTENSIFYING SLIGHTLY 12UTC 29.10.2017 27.8N 77.2W MODERATE WEAKENING SLIGHTLY 00UTC 30.10.2017 33.1N 72.8W MODERATE LITTLE CHANGE 12UTC 30.10.2017 42.9N 73.5W STRONG 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 241606