000 WTNT80 EGRR 271618 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 27.09.2016 TROPICAL STORM ROSLYN ANALYSED POSITION : 17.8N 117.9W ATCF IDENTIFIER : EP182016 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.09.2016 17.8N 117.9W WEAK 00UTC 28.09.2016 19.1N 117.2W WEAK LITTLE CHANGE 12UTC 28.09.2016 20.5N 117.0W WEAK LITTLE CHANGE 00UTC 29.09.2016 21.3N 117.1W WEAK LITTLE CHANGE 12UTC 29.09.2016 22.2N 117.6W WEAK WEAKENING SLIGHTLY 00UTC 30.09.2016 BELOW TROPICAL STORM STRENGTH TROPICAL STORM ULIKA ANALYSED POSITION : 11.9N 140.2W ATCF IDENTIFIER : EP192016 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.09.2016 11.9N 140.2W WEAK 00UTC 28.09.2016 12.8N 139.6W MODERATE LITTLE CHANGE 12UTC 28.09.2016 13.8N 139.1W WEAK LITTLE CHANGE 00UTC 29.09.2016 14.9N 139.0W WEAK LITTLE CHANGE 12UTC 29.09.2016 15.8N 139.5W WEAK LITTLE CHANGE 00UTC 30.09.2016 15.9N 140.2W WEAK LITTLE CHANGE 12UTC 30.09.2016 16.1N 140.7W WEAK LITTLE CHANGE 00UTC 01.10.2016 16.6N 141.9W WEAK LITTLE CHANGE 12UTC 01.10.2016 16.2N 143.7W WEAK LITTLE CHANGE 00UTC 02.10.2016 16.4N 145.6W WEAK LITTLE CHANGE 12UTC 02.10.2016 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 30 HOURS FORECAST POSITION AT T+ 30 : 13.9N 61.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 29.09.2016 13.8N 62.9W WEAK WEAKENING RAPIDLY 12UTC 29.09.2016 13.8N 66.0W WEAK LITTLE CHANGE 00UTC 30.09.2016 13.6N 68.4W MODERATE INTENSIFYING SLIGHTLY 12UTC 30.09.2016 13.0N 70.5W MODERATE INTENSIFYING SLIGHTLY 00UTC 01.10.2016 12.7N 72.0W MODERATE LITTLE CHANGE 12UTC 01.10.2016 12.2N 73.4W MODERATE LITTLE CHANGE 00UTC 02.10.2016 12.2N 74.6W MODERATE WEAKENING SLIGHTLY 12UTC 02.10.2016 12.8N 75.0W MODERATE LITTLE CHANGE 00UTC 03.10.2016 14.5N 75.5W MODERATE INTENSIFYING SLIGHTLY 12UTC 03.10.2016 15.9N 75.7W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 72 HOURS FORECAST POSITION AT T+ 72 : 12.1N 162.4W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 30.09.2016 12.1N 162.4W WEAK 00UTC 01.10.2016 13.3N 163.6W WEAK LITTLE CHANGE 12UTC 01.10.2016 14.3N 165.2W WEAK LITTLE CHANGE 00UTC 02.10.2016 15.0N 166.8W WEAK LITTLE CHANGE 12UTC 02.10.2016 15.8N 168.3W WEAK LITTLE CHANGE 00UTC 03.10.2016 16.9N 168.8W WEAK LITTLE CHANGE 12UTC 03.10.2016 17.2N 169.7W 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 271618