000
WTNT80 EGRR 201800

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 20.09.2011

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  12 HOURS
                   FORECAST POSITION AT T+ 12 : 12.0N  40.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 21.09.2011  12.0N  40.3W     WEAK
 12UTC 21.09.2011  12.4N  43.2W     WEAK        LITTLE CHANGE
 00UTC 22.09.2011  12.5N  45.4W   MODERATE  INTENSIFYING RAPIDLY
 12UTC 22.09.2011  12.5N  47.7W   MODERATE      LITTLE CHANGE
 00UTC 23.09.2011  13.1N  49.7W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 23.09.2011  13.8N  52.2W   MODERATE   WEAKENING SLIGHTLY
 00UTC 24.09.2011  15.1N  54.0W   MODERATE      LITTLE CHANGE
 12UTC 24.09.2011  16.1N  56.2W     WEAK        LITTLE CHANGE
 00UTC 25.09.2011  17.0N  57.9W   MODERATE      LITTLE CHANGE
 12UTC 25.09.2011  17.6N  59.7W     WEAK        LITTLE CHANGE
 00UTC 26.09.2011  18.4N  61.1W     WEAK        LITTLE CHANGE
 12UTC 26.09.2011  19.4N  62.7W   MODERATE      LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  24 HOURS
                   FORECAST POSITION AT T+ 24 : 12.8N  96.7W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 21.09.2011  12.8N  96.7W     WEAK
 00UTC 22.09.2011  13.1N  96.1W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 22.09.2011  13.9N  97.5W    STRONG   INTENSIFYING RAPIDLY
 00UTC 23.09.2011  15.1N  98.7W    STRONG     WEAKENING RAPIDLY
 12UTC 23.09.2011  16.1N 101.0W   MODERATE      LITTLE CHANGE
 00UTC 24.09.2011  16.6N 103.3W   MODERATE    WEAKENING RAPIDLY
 12UTC 24.09.2011  15.9N 106.2W     WEAK     WEAKENING SLIGHTLY
 00UTC 25.09.2011  15.9N 108.7W     WEAK        LITTLE CHANGE
 12UTC 25.09.2011  15.8N 111.0W     WEAK        LITTLE CHANGE
 00UTC 26.09.2011  15.8N 112.8W     WEAK        LITTLE CHANGE
 12UTC 26.09.2011  16.4N 114.8W     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


 MET OFFICE, EXETER, UK

 TOO 201649