536 WTNT80 EGRR 180404 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 18.12.2019 NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 90 HOURS FORECAST POSITION AT T+ 90 : 18.9N 173.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 22.12.2019 21.1N 172.4W MODERATE LITTLE CHANGE 12UTC 22.12.2019 24.0N 173.2W MODERATE INTENSIFYING SLIGHTLY 00UTC 23.12.2019 25.0N 172.7W MODERATE LITTLE CHANGE 12UTC 23.12.2019 24.1N 172.2W MODERATE LITTLE CHANGE 00UTC 24.12.2019 23.3N 170.9W MODERATE LITTLE CHANGE 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 180404