000 WTNT80 EGRR 281604 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC AND ATLANTIC GLOBAL MODEL DATA TIME 12UTC 28.10.2017 TROPICAL DEPRESSION 18L ANALYSED POSITION : 20.1N 83.3W ATCF IDENTIFIER : AL182017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 28.10.2017 20.1N 83.3W WEAK 00UTC 29.10.2017 22.3N 81.8W WEAK LITTLE CHANGE 12UTC 29.10.2017 25.2N 78.5W MODERATE LITTLE CHANGE 00UTC 30.10.2017 30.2N 73.8W MODERATE INTENSIFYING SLIGHTLY 12UTC 30.10.2017 36.8N 68.2W MODERATE INTENSIFYING SLIGHTLY 00UTC 31.10.2017 47.8N 66.5W STRONG INTENSIFYING SLIGHTLY 12UTC 31.10.2017 BELOW TROPICAL STORM STRENGTH TROPICAL DEPRESSION SELMA ANALYSED POSITION : 13.4N 88.6W ATCF IDENTIFIER : EP202017 VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 12UTC 28.10.2017 13.4N 88.6W WEAK 00UTC 29.10.2017 BELOW TROPICAL STORM STRENGTH NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 78 HOURS FORECAST POSITION AT T+ 78 : 29.9N 39.3W VERIFYING TIME POSITION STRENGTH TENDENCY -------------- -------- -------- -------- 00UTC 01.11.2017 30.7N 38.5W WEAK INTENSIFYING RAPIDLY 12UTC 01.11.2017 30.5N 41.0W WEAK INTENSIFYING SLIGHTLY 00UTC 02.11.2017 30.0N 41.7W MODERATE LITTLE CHANGE 12UTC 02.11.2017 30.3N 43.2W MODERATE LITTLE CHANGE 00UTC 03.11.2017 31.1N 45.2W MODERATE LITTLE CHANGE 12UTC 03.11.2017 31.5N 47.6W 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 281604