000 WTNT80 EGRR 271617 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 27.09.2015 TROPICAL DEPRESSION IDA ANALYSED POSITION : 24.4N 48.3W ATCF IDENTIFIER : AL102015 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.09.2015 24.4N 48.3W WEAK 00UTC 28.09.2015 24.1N 49.9W WEAK LITTLE CHANGE 12UTC 28.09.2015 23.8N 52.1W WEAK LITTLE CHANGE 00UTC 29.09.2015 23.6N 54.4W WEAK LITTLE CHANGE 12UTC 29.09.2015 24.2N 55.9W WEAK LITTLE CHANGE 00UTC 30.09.2015 24.8N 57.2W WEAK LITTLE CHANGE 12UTC 30.09.2015 25.2N 56.7W WEAK LITTLE CHANGE 00UTC 01.10.2015 24.8N 56.2W WEAK LITTLE CHANGE 12UTC 01.10.2015 24.4N 55.3W MODERATE LITTLE CHANGE 00UTC 02.10.2015 25.0N 54.4W MODERATE LITTLE CHANGE 12UTC 02.10.2015 26.3N 55.3W MODERATE INTENSIFYING SLIGHTLY 00UTC 03.10.2015 27.2N 57.4W STRONG INTENSIFYING SLIGHTLY 12UTC 03.10.2015 27.8N 59.0W STRONG INTENSIFYING SLIGHTLY TROPICAL STORM MARTY ANALYSED POSITION : 14.6N 102.9W ATCF IDENTIFIER : EP172015 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.09.2015 14.6N 102.9W MODERATE 00UTC 28.09.2015 15.1N 103.1W MODERATE LITTLE CHANGE 12UTC 28.09.2015 15.7N 102.9W MODERATE INTENSIFYING SLIGHTLY 00UTC 29.09.2015 15.8N 102.4W MODERATE LITTLE CHANGE 12UTC 29.09.2015 15.8N 101.7W MODERATE LITTLE CHANGE 00UTC 30.09.2015 16.1N 101.0W MODERATE LITTLE CHANGE 12UTC 30.09.2015 16.5N 100.8W MODERATE WEAKENING SLIGHTLY 00UTC 01.10.2015 16.3N 101.7W WEAK WEAKENING SLIGHTLY 12UTC 01.10.2015 16.5N 103.1W WEAK LITTLE CHANGE 00UTC 02.10.2015 17.0N 105.1W WEAK LITTLE CHANGE 12UTC 02.10.2015 18.4N 106.4W WEAK LITTLE CHANGE 00UTC 03.10.2015 19.0N 108.3W WEAK LITTLE CHANGE 12UTC 03.10.2015 BELOW TROPICAL STORM STRENGTH TROPICAL STORM NIALA ANALYSED POSITION : 16.4N 153.7W ATCF IDENTIFIER : CP062015 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 27.09.2015 16.4N 153.7W MODERATE 00UTC 28.09.2015 15.9N 155.2W WEAK LITTLE CHANGE 12UTC 28.09.2015 15.5N 156.6W WEAK LITTLE CHANGE 00UTC 29.09.2015 15.2N 158.0W WEAK LITTLE CHANGE 12UTC 29.09.2015 14.9N 159.3W WEAK LITTLE CHANGE 00UTC 30.09.2015 14.4N 160.4W WEAK LITTLE CHANGE 12UTC 30.09.2015 13.7N 161.8W WEAK LITTLE CHANGE 00UTC 01.10.2015 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 24 HOURS FORECAST POSITION AT T+ 24 : 28.6N 94.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 28.09.2015 28.6N 94.5W WEAK 00UTC 29.09.2015 28.3N 95.0W WEAK LITTLE CHANGE 12UTC 29.09.2015 27.5N 94.4W WEAK LITTLE CHANGE 00UTC 30.09.2015 27.0N 93.3W WEAK LITTLE CHANGE 12UTC 30.09.2015 26.6N 91.9W WEAK LITTLE CHANGE 00UTC 01.10.2015 26.2N 90.4W WEAK LITTLE CHANGE 12UTC 01.10.2015 26.4N 88.6W WEAK LITTLE CHANGE 00UTC 02.10.2015 25.4N 87.1W WEAK LITTLE CHANGE 12UTC 02.10.2015 25.2N 85.7W WEAK LITTLE CHANGE 00UTC 03.10.2015 25.7N 85.8W WEAK LITTLE CHANGE 12UTC 03.10.2015 26.3N 86.7W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 66 HOURS FORECAST POSITION AT T+ 66 : 13.1N 122.2W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 30.09.2015 12.7N 122.6W WEAK INTENSIFYING SLIGHTLY 00UTC 01.10.2015 12.9N 123.8W WEAK LITTLE CHANGE 12UTC 01.10.2015 13.5N 125.0W MODERATE LITTLE CHANGE 00UTC 02.10.2015 14.2N 126.6W MODERATE LITTLE CHANGE 12UTC 02.10.2015 15.0N 128.7W MODERATE LITTLE CHANGE 00UTC 03.10.2015 16.0N 131.2W MODERATE LITTLE CHANGE 12UTC 03.10.2015 16.9N 133.8W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 120 HOURS FORECAST POSITION AT T+120 : 9.6N 162.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 02.10.2015 9.6N 162.5W MODERATE 00UTC 03.10.2015 11.6N 160.7W MODERATE INTENSIFYING SLIGHTLY 12UTC 03.10.2015 13.8N 159.1W MODERATE INTENSIFYING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 144 HOURS FORECAST POSITION AT T+144 : 35.3N 26.5W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 03.10.2015 35.3N 26.5W 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 271617