000
WTNT80 EGRR 260600

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 26.08.2012

        TROPICAL STORM ISAAC      ANALYSED POSITION : 22.0N  77.1W

     ATCF IDENTIFIER : AL092012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 26.08.2012  22.0N  77.1W   MODERATE
 12UTC 26.08.2012  23.1N  80.2W   MODERATE      LITTLE CHANGE
 00UTC 27.08.2012  23.8N  81.8W   MODERATE      LITTLE CHANGE
 12UTC 27.08.2012  25.4N  83.6W   MODERATE      LITTLE CHANGE
 00UTC 28.08.2012  26.9N  85.5W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 28.08.2012  28.3N  86.6W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 29.08.2012  29.9N  86.3W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 29.08.2012  31.5N  85.7W    STRONG       LITTLE CHANGE
 00UTC 30.08.2012  32.0N  84.4W   MODERATE    WEAKENING RAPIDLY
 12UTC 30.08.2012  33.1N  82.1W   MODERATE   INTENSIFYING RAPIDLY
 00UTC 31.08.2012  33.1N  79.6W   MODERATE   WEAKENING SLIGHTLY
 12UTC 31.08.2012  33.3N  79.2W   MODERATE   WEAKENING SLIGHTLY
 00UTC 01.09.2012  32.8N  79.7W     WEAK     WEAKENING SLIGHTLY


             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 14.0N 109.1W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 28.08.2012  14.0N 109.1W     WEAK
 12UTC 28.08.2012  13.7N 109.3W     WEAK        LITTLE CHANGE
 00UTC 29.08.2012  16.6N 108.8W     WEAK        LITTLE CHANGE
 12UTC 29.08.2012  17.0N 110.6W     WEAK        LITTLE CHANGE
 00UTC 30.08.2012  18.0N 111.1W     WEAK        LITTLE CHANGE
 12UTC 30.08.2012  18.3N 112.1W     WEAK        LITTLE CHANGE
 00UTC 31.08.2012  18.3N 112.8W     WEAK        LITTLE CHANGE
 12UTC 31.08.2012  18.1N 114.2W     WEAK        LITTLE CHANGE
 00UTC 01.09.2012  18.1N 115.1W     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 260550