000 WTNT80 EGRR 210405 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 21.09.2017 TROPICAL DEPRESSION LEE ANALYSED POSITION : 18.3N 47.6W ATCF IDENTIFIER : AL142017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.09.2017 18.3N 47.6W WEAK 12UTC 21.09.2017 20.3N 48.4W WEAK LITTLE CHANGE 00UTC 22.09.2017 BELOW TROPICAL STORM STRENGTH TROPICAL STORM JOSE ANALYSED POSITION : 39.4N 68.4W ATCF IDENTIFIER : AL122017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.09.2017 39.4N 68.4W STRONG 12UTC 21.09.2017 39.8N 67.9W MODERATE WEAKENING SLIGHTLY 00UTC 22.09.2017 39.5N 68.4W MODERATE LITTLE CHANGE 12UTC 22.09.2017 39.7N 69.2W MODERATE WEAKENING SLIGHTLY 00UTC 23.09.2017 39.5N 69.7W MODERATE LITTLE CHANGE 12UTC 23.09.2017 39.3N 69.1W MODERATE WEAKENING SLIGHTLY 00UTC 24.09.2017 38.9N 67.9W WEAK WEAKENING SLIGHTLY 12UTC 24.09.2017 38.8N 67.4W WEAK LITTLE CHANGE 00UTC 25.09.2017 38.7N 68.0W WEAK LITTLE CHANGE 12UTC 25.09.2017 38.8N 69.3W WEAK LITTLE CHANGE 00UTC 26.09.2017 39.8N 69.8W WEAK LITTLE CHANGE 12UTC 26.09.2017 40.9N 68.8W WEAK LITTLE CHANGE 00UTC 27.09.2017 41.3N 66.8W WEAK LITTLE CHANGE HURRICANE MARIA ANALYSED POSITION : 19.0N 67.5W ATCF IDENTIFIER : AL152017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 21.09.2017 19.0N 67.5W INTENSE 12UTC 21.09.2017 19.9N 68.6W INTENSE WEAKENING SLIGHTLY 00UTC 22.09.2017 20.7N 69.7W INTENSE LITTLE CHANGE 12UTC 22.09.2017 22.0N 70.3W INTENSE LITTLE CHANGE 00UTC 23.09.2017 23.5N 70.9W INTENSE LITTLE CHANGE 12UTC 23.09.2017 25.0N 71.7W INTENSE INTENSIFYING SLIGHTLY 00UTC 24.09.2017 26.6N 71.9W INTENSE INTENSIFYING RAPIDLY 12UTC 24.09.2017 28.2N 72.4W INTENSE WEAKENING SLIGHTLY 00UTC 25.09.2017 29.5N 72.5W INTENSE LITTLE CHANGE 12UTC 25.09.2017 30.3N 72.4W INTENSE LITTLE CHANGE 00UTC 26.09.2017 31.3N 71.7W INTENSE INTENSIFYING SLIGHTLY 12UTC 26.09.2017 32.0N 71.2W INTENSE WEAKENING SLIGHTLY 00UTC 27.09.2017 32.5N 70.1W INTENSE WEAKENING SLIGHTLY NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 60 HOURS FORECAST POSITION AT T+ 60 : 17.8N 104.8W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 23.09.2017 17.8N 104.8W WEAK 00UTC 24.09.2017 18.5N 105.9W MODERATE LITTLE CHANGE 12UTC 24.09.2017 18.7N 106.6W MODERATE LITTLE CHANGE 00UTC 25.09.2017 18.9N 106.7W MODERATE LITTLE CHANGE 12UTC 25.09.2017 19.0N 106.9W MODERATE LITTLE CHANGE 00UTC 26.09.2017 19.5N 106.8W MODERATE LITTLE CHANGE 12UTC 26.09.2017 20.5N 107.5W WEAK LITTLE CHANGE 00UTC 27.09.2017 21.3N 107.9W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 72 HOURS FORECAST POSITION AT T+ 72 : 12.7N 90.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 24.09.2017 12.7N 90.9W WEAK 12UTC 24.09.2017 13.5N 89.9W WEAK LITTLE CHANGE 00UTC 25.09.2017 16.5N 94.6W WEAK LITTLE CHANGE 12UTC 25.09.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 102 HOURS FORECAST POSITION AT T+102 : 9.6N 151.9W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 25.09.2017 9.5N 152.5W WEAK LITTLE CHANGE 00UTC 26.09.2017 10.0N 153.5W WEAK LITTLE CHANGE 12UTC 26.09.2017 10.5N 154.4W WEAK LITTLE CHANGE 00UTC 27.09.2017 11.0N 155.3W WEAK LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 144 HOURS FORECAST POSITION AT T+144 : 11.3N 124.7W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 27.09.2017 11.3N 124.7W 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 210405