000 WTNT80 EGRR 280405 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 00UTC 28.10.2017 TROPICAL STORM 18L ANALYSED POSITION : 17.7N 84.5W ATCF IDENTIFIER : AL182017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 28.10.2017 17.7N 84.5W WEAK 12UTC 28.10.2017 19.5N 83.3W WEAK LITTLE CHANGE 00UTC 29.10.2017 23.3N 81.0W WEAK LITTLE CHANGE 12UTC 29.10.2017 26.0N 78.9W MODERATE INTENSIFYING SLIGHTLY 00UTC 30.10.2017 30.5N 74.0W MODERATE INTENSIFYING SLIGHTLY 12UTC 30.10.2017 37.9N 68.6W MODERATE INTENSIFYING SLIGHTLY 00UTC 31.10.2017 BELOW TROPICAL STORM STRENGTH TROPICAL STORM SELMA ANALYSED POSITION : 12.3N 89.1W ATCF IDENTIFIER : EP202017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 28.10.2017 12.3N 89.1W WEAK 12UTC 28.10.2017 13.5N 88.5W WEAK WEAKENING SLIGHTLY 00UTC 29.10.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 90 HOURS FORECAST POSITION AT T+ 90 : 30.0N 39.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 01.11.2017 31.3N 38.3W WEAK INTENSIFYING RAPIDLY 12UTC 01.11.2017 31.7N 40.4W WEAK LITTLE CHANGE 00UTC 02.11.2017 29.5N 43.4W WEAK INTENSIFYING SLIGHTLY 12UTC 02.11.2017 29.3N 42.8W MODERATE INTENSIFYING SLIGHTLY 00UTC 03.11.2017 30.2N 44.0W MODERATE LITTLE CHANGE NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 138 HOURS FORECAST POSITION AT T+138 : 12.7N 119.1W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 03.11.2017 13.0N 119.0W WEAK WEAKENING 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 280405