000
WTNT80 EGRR 231800

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 23.08.2012

        TROPICAL STORM ISAAC      ANALYSED POSITION : 15.7N  65.3W

     ATCF IDENTIFIER : AL092012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 23.08.2012  15.7N  65.3W   MODERATE
 00UTC 24.08.2012  16.8N  67.7W     WEAK     WEAKENING SLIGHTLY
 12UTC 24.08.2012  17.3N  70.2W   MODERATE  INTENSIFYING RAPIDLY
 00UTC 25.08.2012  18.9N  74.0W   MODERATE   WEAKENING SLIGHTLY
 12UTC 25.08.2012  19.6N  74.9W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 26.08.2012  22.4N  77.9W   MODERATE      LITTLE CHANGE
 12UTC 26.08.2012  23.5N  80.5W   MODERATE      LITTLE CHANGE
 00UTC 27.08.2012  24.2N  82.2W   MODERATE      LITTLE CHANGE
 12UTC 27.08.2012  25.2N  84.2W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 28.08.2012  26.1N  85.6W    STRONG       LITTLE CHANGE
 12UTC 28.08.2012  27.6N  86.9W   INTENSE   INTENSIFYING RAPIDLY
 00UTC 29.08.2012  28.9N  87.3W   INTENSE   INTENSIFYING RAPIDLY
 12UTC 29.08.2012  30.6N  87.1W   INTENSE    WEAKENING SLIGHTLY

        TROPICAL STORM JOYCE        ANALYSED POSITION : 14.6N  41.6W

     ATCF IDENTIFIER : AL102012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 23.08.2012  14.6N  41.6W     WEAK
 00UTC 24.08.2012  15.8N  44.4W     WEAK     WEAKENING SLIGHTLY
 12UTC 24.08.2012  16.8N  47.3W     WEAK        LITTLE CHANGE
 00UTC 25.08.2012  18.5N  50.2W     WEAK        LITTLE CHANGE
 12UTC 25.08.2012  19.7N  53.3W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 26.08.2012  22.3N  56.8W     WEAK        LITTLE CHANGE
 12UTC 26.08.2012  24.6N  60.6W     WEAK     WEAKENING SLIGHTLY
 00UTC 27.08.2012  27.4N  63.8W     WEAK     WEAKENING SLIGHTLY
 12UTC 27.08.2012  30.1N  66.1W     WEAK        LITTLE CHANGE
 00UTC 28.08.2012  32.5N  65.0W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 28.08.2012  34.4N  61.8W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 29.08.2012  35.5N  57.8W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 29.08.2012        EXTRA-TROPICAL

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 13.7N 30.5W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 25.08.2012  13.7N 30.5W      WEAK
 00UTC 26.08.2012  15.0N 33.5W      WEAK     INTENSIFYING SLIGHTLY
 12UTC 26.08.2012  16.2N 37.5W      WEAK        LITTLE CHANGE
 00UTC 27.08.2012  17.5N 40.0W      WEAK     INTENSIFYING SLIGHTLY
 12UTC 27.08.2012  20.1N 42.4W      WEAK      WEAKENING SLIGHTLY
 00UTC 28.08.2012  21.8N 44.5W      WEAK     INTENSIFYING SLIGHTLY
 12UTC 28.08.2012  23.6N 46.1W      WEAK     INTENSIFYING SLIGHTLY
 00UTC 29.08.2012  25.0N 46.9W    MODERATE   INTENSIFYING SLIGHTLY
 12UTC 29.08.2012  26.8N 47.5W    MODERATE   INTENSIFYING 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


 MET OFFICE, EXETER, UK

 TOO 231656