000 WTNT80 EGRR 210419 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 21.07.2017 TROPICAL DEPRESSION 08E ANALYSED POSITION : 13.2N 124.4W ATCF IDENTIFIER : EP082017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.07.2017 13.2N 124.4W WEAK 12UTC 21.07.2017 12.0N 124.9W WEAK LITTLE CHANGE 00UTC 22.07.2017 11.5N 125.3W WEAK LITTLE CHANGE 12UTC 22.07.2017 BELOW TROPICAL STORM STRENGTH TROPICAL STORM FERNANDA ANALYSED POSITION : 18.4N 140.6W ATCF IDENTIFIER : EP062017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.07.2017 18.4N 140.6W MODERATE 12UTC 21.07.2017 19.0N 142.5W WEAK LITTLE CHANGE 00UTC 22.07.2017 19.9N 144.1W WEAK LITTLE CHANGE 12UTC 22.07.2017 20.7N 145.5W WEAK LITTLE CHANGE 00UTC 23.07.2017 21.9N 147.2W WEAK LITTLE CHANGE 12UTC 23.07.2017 23.0N 149.0W WEAK LITTLE CHANGE 00UTC 24.07.2017 24.5N 150.9W WEAK LITTLE CHANGE 12UTC 24.07.2017 26.0N 153.0W WEAK LITTLE CHANGE 00UTC 25.07.2017 27.8N 155.1W WEAK LITTLE CHANGE 12UTC 25.07.2017 29.2N 157.2W WEAK LITTLE CHANGE 00UTC 26.07.2017 30.8N 159.0W WEAK LITTLE CHANGE 12UTC 26.07.2017 32.6N 160.1W WEAK LITTLE CHANGE 00UTC 27.07.2017 34.6N 159.4W WEAK LITTLE CHANGE TROPICAL STORM GREG ANALYSED POSITION : 14.5N 117.0W ATCF IDENTIFIER : EP072017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.07.2017 14.5N 117.0W MODERATE 12UTC 21.07.2017 14.7N 119.1W MODERATE LITTLE CHANGE 00UTC 22.07.2017 15.2N 121.2W MODERATE LITTLE CHANGE 12UTC 22.07.2017 15.4N 123.3W MODERATE LITTLE CHANGE 00UTC 23.07.2017 15.3N 125.9W MODERATE LITTLE CHANGE 12UTC 23.07.2017 15.0N 128.4W MODERATE LITTLE CHANGE 00UTC 24.07.2017 14.7N 130.8W MODERATE LITTLE CHANGE 12UTC 24.07.2017 14.5N 132.9W MODERATE LITTLE CHANGE 00UTC 25.07.2017 14.9N 134.8W MODERATE LITTLE CHANGE 12UTC 25.07.2017 15.3N 136.6W WEAK LITTLE CHANGE 00UTC 26.07.2017 16.2N 138.0W WEAK LITTLE CHANGE 12UTC 26.07.2017 17.2N 139.7W WEAK LITTLE CHANGE 00UTC 27.07.2017 17.8N 141.5W WEAK LITTLE CHANGE TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 12.4N 106.4W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.07.2017 12.4N 106.4W WEAK 12UTC 21.07.2017 13.8N 109.1W WEAK LITTLE CHANGE 00UTC 22.07.2017 14.3N 111.1W WEAK LITTLE CHANGE 12UTC 22.07.2017 14.6N 112.5W WEAK LITTLE CHANGE 00UTC 23.07.2017 15.0N 114.1W WEAK LITTLE CHANGE 12UTC 23.07.2017 15.2N 115.5W MODERATE LITTLE CHANGE 00UTC 24.07.2017 15.2N 116.5W MODERATE LITTLE CHANGE 12UTC 24.07.2017 14.9N 117.4W MODERATE LITTLE CHANGE 00UTC 25.07.2017 14.5N 118.1W MODERATE LITTLE CHANGE 12UTC 25.07.2017 13.8N 118.8W MODERATE LITTLE CHANGE 00UTC 26.07.2017 12.9N 119.5W MODERATE LITTLE CHANGE 12UTC 26.07.2017 12.1N 120.3W MODERATE LITTLE CHANGE 00UTC 27.07.2017 11.4N 121.1W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 18 HOURS FORECAST POSITION AT T+ 18 : 8.9N 94.0W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 22.07.2017 8.9N 94.7W WEAK LITTLE CHANGE 12UTC 22.07.2017 10.2N 96.8W WEAK LITTLE CHANGE 00UTC 23.07.2017 11.2N 99.3W WEAK LITTLE CHANGE 12UTC 23.07.2017 12.1N 101.0W WEAK LITTLE CHANGE 00UTC 24.07.2017 13.0N 102.7W MODERATE LITTLE CHANGE 12UTC 24.07.2017 13.9N 104.5W MODERATE LITTLE CHANGE 00UTC 25.07.2017 14.6N 106.2W MODERATE INTENSIFYING SLIGHTLY 12UTC 25.07.2017 15.4N 108.1W MODERATE INTENSIFYING SLIGHTLY 00UTC 26.07.2017 16.1N 110.2W STRONG INTENSIFYING SLIGHTLY 12UTC 26.07.2017 16.4N 112.5W STRONG LITTLE CHANGE 00UTC 27.07.2017 16.9N 114.5W STRONG INTENSIFYING SLIGHTLY 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 210418