000 WTNT80 EGRR 260404 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 26.10.2017 NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 12 HOURS FORECAST POSITION AT T+ 12 : 11.2N 87.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 26.10.2017 11.2N 87.5W WEAK 00UTC 27.10.2017 10.8N 88.5W WEAK LITTLE CHANGE 12UTC 27.10.2017 11.5N 89.9W MODERATE INTENSIFYING SLIGHTLY 00UTC 28.10.2017 12.6N 90.4W MODERATE LITTLE CHANGE 12UTC 28.10.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 18 HOURS FORECAST POSITION AT T+ 18 : 8.5N 97.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.10.2017 8.1N 97.5W WEAK LITTLE CHANGE 12UTC 27.10.2017 8.4N 97.3W WEAK LITTLE CHANGE 00UTC 28.10.2017 9.5N 96.8W WEAK LITTLE CHANGE 12UTC 28.10.2017 11.3N 95.3W WEAK LITTLE CHANGE 00UTC 29.10.2017 12.2N 93.4W WEAK LITTLE CHANGE 12UTC 29.10.2017 12.6N 91.9W WEAK LITTLE CHANGE 00UTC 30.10.2017 12.6N 91.9W WEAK LITTLE CHANGE 12UTC 30.10.2017 12.2N 92.5W WEAK LITTLE CHANGE 00UTC 31.10.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 48 HOURS FORECAST POSITION AT T+ 48 : 18.3N 84.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 28.10.2017 18.3N 84.2W WEAK 12UTC 28.10.2017 20.9N 83.2W WEAK LITTLE CHANGE 00UTC 29.10.2017 23.5N 80.5W MODERATE LITTLE CHANGE 12UTC 29.10.2017 26.5N 77.2W MODERATE LITTLE CHANGE 00UTC 30.10.2017 36.9N 73.3W MODERATE INTENSIFYING SLIGHTLY 12UTC 30.10.2017 43.6N 73.8W STRONG INTENSIFYING RAPIDLY 00UTC 31.10.2017 48.5N 70.7W MODERATE WEAKENING SLIGHTLY 12UTC 31.10.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 90 HOURS FORECAST POSITION AT T+ 90 : 33.6N 75.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 30.10.2017 36.9N 73.3W MODERATE INTENSIFYING RAPIDLY 12UTC 30.10.2017 43.6N 73.8W STRONG INTENSIFYING RAPIDLY 00UTC 31.10.2017 48.5N 70.7W MODERATE WEAKENING SLIGHTLY 12UTC 31.10.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 33.6N 35.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 31.10.2017 33.6N 35.9W WEAK 00UTC 01.11.2017 37.7N 35.2W 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 260404