914 WTNT80 EGRR 211603 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 21.10.2021 NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 66 HOURS FORECAST POSITION AT T+ 66 : 14.5N 102.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 24.10.2021 14.5N 103.2W WEAK WEAKENING RAPIDLY 00UTC 25.10.2021 14.2N 104.4W WEAK LITTLE CHANGE 12UTC 25.10.2021 13.9N 105.5W WEAK LITTLE CHANGE 00UTC 26.10.2021 14.3N 106.7W MODERATE LITTLE CHANGE 12UTC 26.10.2021 15.0N 108.0W MODERATE LITTLE CHANGE 00UTC 27.10.2021 15.7N 108.8W MODERATE INTENSIFYING SLIGHTLY 12UTC 27.10.2021 16.7N 108.7W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 144 HOURS FORECAST POSITION AT T+144 : 10.8N 130.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.10.2021 10.8N 130.1W WEAK 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 211603