000 WTNT80 EGRR 230417 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 23.09.2015 TROPICAL STORM MALIA ANALYSED POSITION : 30.6N 174.0W ATCF IDENTIFIER : CP052015 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2015 30.6N 174.0W WEAK 12UTC 23.09.2015 BELOW TROPICAL STORM STRENGTH TROPICAL STORM IDA ANALYSED POSITION : 20.8N 47.5W ATCF IDENTIFIER : AL102015 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 23.09.2015 20.8N 47.5W WEAK 12UTC 23.09.2015 20.3N 46.9W WEAK LITTLE CHANGE 00UTC 24.09.2015 19.7N 46.6W WEAK LITTLE CHANGE 12UTC 24.09.2015 19.5N 46.7W WEAK LITTLE CHANGE 00UTC 25.09.2015 20.2N 47.1W WEAK LITTLE CHANGE 12UTC 25.09.2015 20.5N 47.9W WEAK LITTLE CHANGE 00UTC 26.09.2015 20.7N 48.7W WEAK LITTLE CHANGE 12UTC 26.09.2015 21.1N 49.4W WEAK LITTLE CHANGE 00UTC 27.09.2015 21.4N 49.9W MODERATE LITTLE CHANGE 12UTC 27.09.2015 21.7N 50.2W MODERATE INTENSIFYING SLIGHTLY 00UTC 28.09.2015 22.5N 50.6W MODERATE INTENSIFYING SLIGHTLY 12UTC 28.09.2015 23.1N 51.6W MODERATE LITTLE CHANGE 00UTC 29.09.2015 23.4N 52.8W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 42 HOURS FORECAST POSITION AT T+ 42 : 11.5N 91.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 25.09.2015 12.4N 91.6W WEAK LITTLE CHANGE 12UTC 25.09.2015 12.8N 92.0W WEAK LITTLE CHANGE 00UTC 26.09.2015 13.9N 92.3W MODERATE INTENSIFYING SLIGHTLY 12UTC 26.09.2015 15.1N 93.9W WEAK WEAKENING RAPIDLY 00UTC 27.09.2015 13.6N 92.6W WEAK LITTLE CHANGE 12UTC 27.09.2015 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 72 HOURS FORECAST POSITION AT T+ 72 : 37.0N 42.6W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 26.09.2015 37.0N 42.6W WEAK 12UTC 26.09.2015 37.9N 38.6W WEAK LITTLE CHANGE 00UTC 27.09.2015 39.4N 35.1W WEAK LITTLE CHANGE 12UTC 27.09.2015 41.9N 31.7W WEAK INTENSIFYING SLIGHTLY 00UTC 28.09.2015 43.5N 30.0W WEAK LITTLE CHANGE 12UTC 28.09.2015 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 102 HOURS FORECAST POSITION AT T+102 : 14.3N 104.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.09.2015 14.5N 104.3W WEAK INTENSIFYING SLIGHTLY 00UTC 28.09.2015 15.9N 104.5W WEAK LITTLE CHANGE 12UTC 28.09.2015 16.3N 104.6W MODERATE LITTLE CHANGE 00UTC 29.09.2015 16.6N 104.3W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 126 HOURS FORECAST POSITION AT T+126 : 24.0N 89.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 28.09.2015 26.1N 88.8W WEAK LITTLE CHANGE 00UTC 29.09.2015 29.3N 88.3W 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 230417