000
WTNT80 EGRR 111618

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 11.08.2017

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  30 HOURS
                   FORECAST POSITION AT T+ 30 : 25.1N  69.4W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 13.08.2017  26.1N  70.2W     WEAK     WEAKENING SLIGHTLY
 12UTC 13.08.2017  27.9N  72.3W     WEAK        LITTLE CHANGE
 00UTC 14.08.2017  29.5N  73.2W     WEAK        LITTLE CHANGE
 12UTC 14.08.2017  30.8N  73.5W     WEAK        LITTLE CHANGE
 00UTC 15.08.2017  32.6N  73.8W     WEAK        LITTLE CHANGE
 12UTC 15.08.2017  34.3N  73.1W     WEAK        LITTLE CHANGE
 00UTC 16.08.2017  35.8N  70.1W     WEAK        LITTLE CHANGE
 12UTC 16.08.2017  38.4N  65.1W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 17.08.2017  40.4N  59.5W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 17.08.2017  42.7N  51.8W    STRONG   INTENSIFYING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  66 HOURS
                   FORECAST POSITION AT T+ 66 : 11.8N 104.2W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 14.08.2017  11.9N 104.8W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 15.08.2017  11.7N 106.5W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 15.08.2017  11.7N 108.1W   MODERATE      LITTLE CHANGE
 00UTC 16.08.2017  11.9N 109.7W   MODERATE      LITTLE CHANGE
 12UTC 16.08.2017  12.2N 111.5W   MODERATE      LITTLE CHANGE
 00UTC 17.08.2017  13.1N 113.9W   MODERATE      LITTLE CHANGE
 12UTC 17.08.2017  13.6N 116.8W   MODERATE      LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  84 HOURS
                   FORECAST POSITION AT T+ 84 : 11.7N 145.8W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 15.08.2017  11.7N 145.8W     WEAK
 12UTC 15.08.2017  12.0N 147.1W     WEAK        LITTLE CHANGE
 00UTC 16.08.2017  12.2N 148.4W     WEAK        LITTLE CHANGE
 12UTC 16.08.2017  12.1N 149.6W     WEAK        LITTLE CHANGE
 00UTC 17.08.2017  12.0N 150.8W     WEAK        LITTLE CHANGE
 12UTC 17.08.2017  11.7N 152.1W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  96 HOURS
                   FORECAST POSITION AT T+ 96 : 10.9N 132.4W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 15.08.2017  10.9N 132.4W     WEAK
 00UTC 16.08.2017  10.9N 132.1W     WEAK        LITTLE CHANGE
 12UTC 16.08.2017  11.4N 131.5W     WEAK        LITTLE CHANGE
 00UTC 17.08.2017  12.4N 130.6W     WEAK        LITTLE CHANGE
 12UTC 17.08.2017  12.8N 129.7W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 138 HOURS
                   FORECAST POSITION AT T+138 : 12.2N 164.0W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 17.08.2017  12.6N 164.6W     WEAK        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 111618