000
WTNT80 EGRR 220600

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 22.08.2012

        TROPICAL STORM ISAAC      ANALYSED POSITION : 15.6N  54.5W

     ATCF IDENTIFIER : AL092012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 22.08.2012  15.6N  54.5W     WEAK
 12UTC 22.08.2012  15.8N  57.7W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 23.08.2012  16.7N  60.5W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 23.08.2012  17.6N  63.9W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 24.08.2012  17.8N  66.8W   MODERATE      LITTLE CHANGE
 12UTC 24.08.2012  18.4N  69.1W   INTENSE   INTENSIFYING RAPIDLY
 00UTC 25.08.2012  17.9N  72.0W    STRONG     WEAKENING RAPIDLY
 12UTC 25.08.2012  20.7N  74.4W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 26.08.2012  22.4N  76.8W    STRONG       LITTLE CHANGE
 12UTC 26.08.2012  23.8N  78.6W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 27.08.2012  25.2N  80.0W   INTENSE       LITTLE CHANGE
 12UTC 27.08.2012  26.9N  81.7W    STRONG    WEAKENING SLIGHTLY
 00UTC 28.08.2012  28.3N  83.0W    STRONG    WEAKENING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  24 HOURS
                   FORECAST POSITION AT T+ 24 : 13.7N  38.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 23.08.2012  13.7N  38.3W     WEAK
 12UTC 23.08.2012  14.6N  41.0W     WEAK        LITTLE CHANGE
 00UTC 24.08.2012  15.6N  43.8W     WEAK        LITTLE CHANGE
 12UTC 24.08.2012  17.0N  47.1W     WEAK        LITTLE CHANGE
 00UTC 25.08.2012  17.3N  50.1W     WEAK        LITTLE CHANGE
 12UTC 25.08.2012  19.2N  53.6W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 26.08.2012  20.7N  56.7W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 26.08.2012  21.9N  60.4W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 27.08.2012  23.5N  63.8W   MODERATE   WEAKENING SLIGHTLY
 12UTC 27.08.2012  25.4N  67.1W   MODERATE   WEAKENING SLIGHTLY
 00UTC 28.08.2012  27.6N  69.5W     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 220433