000 WTNT80 EGRR 140418 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 14.08.2015 TROPICAL DEPRESSION HILDA ANALYSED POSITION : 15.9N 155.6W ATCF IDENTIFIER : EP102015 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 14.08.2015 15.9N 155.6W WEAK 12UTC 14.08.2015 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 48 HOURS FORECAST POSITION AT T+ 48 : 17.3N 115.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 16.08.2015 17.3N 115.2W WEAK 12UTC 16.08.2015 19.0N 117.3W WEAK LITTLE CHANGE 00UTC 17.08.2015 21.1N 120.7W WEAK LITTLE CHANGE 12UTC 17.08.2015 22.6N 123.7W WEAK LITTLE CHANGE 00UTC 18.08.2015 23.8N 126.1W WEAK LITTLE CHANGE 12UTC 18.08.2015 24.7N 129.1W WEAK LITTLE CHANGE 00UTC 19.08.2015 26.4N 130.9W WEAK LITTLE CHANGE 12UTC 19.08.2015 26.7N 132.5W WEAK LITTLE CHANGE 00UTC 20.08.2015 27.8N 132.4W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 126 HOURS FORECAST POSITION AT T+126 : 10.2N 41.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 19.08.2015 10.8N 42.9W WEAK INTENSIFYING RAPIDLY 00UTC 20.08.2015 10.4N 45.3W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS FORECAST POSITION AT T+132 : 9.7N 153.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 19.08.2015 9.7N 153.9W WEAK 00UTC 20.08.2015 10.2N 154.5W WEAK 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 140417