000
WTNT80 EGRR 151659

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 15.08.2008

        TROPICAL STORM ISELLE     ANALYSED POSITION : 17.4N 111.5W

     ATCF IDENTIFIER : EP102008

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 15.08.2008  17.4N 111.5W     WEAK
 00UTC 16.08.2008  17.5N 111.8W     WEAK        LITTLE CHANGE
 12UTC 16.08.2008  17.5N 112.7W     WEAK        LITTLE CHANGE
 00UTC 17.08.2008  18.6N 113.3W     WEAK        LITTLE CHANGE
 12UTC 17.08.2008  18.6N 113.8W     WEAK     WEAKENING SLIGHTLY
 00UTC 18.08.2008  18.8N 114.1W     WEAK     WEAKENING SLIGHTLY
 12UTC 18.08.2008  19.2N 114.9W     WEAK     WEAKENING SLIGHTLY
 00UTC 19.08.2008        BELOW TROPICAL STORM STRENGTH

    TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION :
18.1N  67.5W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 15.08.2008  18.1N  67.5W     WEAK
 00UTC 16.08.2008  18.7N  71.6W     WEAK     WEAKENING SLIGHTLY
 12UTC 16.08.2008  19.2N  73.3W     WEAK        LITTLE CHANGE
 00UTC 17.08.2008  19.4N  75.1W     WEAK        LITTLE CHANGE
 12UTC 17.08.2008  19.6N  77.5W     WEAK     WEAKENING SLIGHTLY
 00UTC 18.08.2008  20.7N  79.3W     WEAK        LITTLE CHANGE
 12UTC 18.08.2008  22.1N  81.4W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 19.08.2008  23.3N  82.5W     WEAK        LITTLE CHANGE
 12UTC 19.08.2008  24.9N  83.2W     WEAK     WEAKENING SLIGHTLY
 00UTC 20.08.2008  25.8N  84.2W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 20.08.2008  27.4N  85.0W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 21.08.2008  28.2N  86.1W     WEAK        LITTLE CHANGE
 12UTC 21.08.2008  29.1N  86.8W   MODERATE  INTENSIFYING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 13.4N  32.7W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 17.08.2008  13.4N  32.7W     WEAK     
 00UTC 18.08.2008  12.8N  35.6W     WEAK        LITTLE CHANGE
 12UTC 18.08.2008  13.4N  36.8W     WEAK        LITTLE CHANGE
 00UTC 19.08.2008  13.3N  38.3W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 19.08.2008  13.7N  40.1W     WEAK        LITTLE CHANGE
 00UTC 20.08.2008  13.8N  42.6W     WEAK     WEAKENING SLIGHTLY
 12UTC 20.08.2008  14.7N  44.2W     WEAK        LITTLE CHANGE
 00UTC 21.08.2008  15.6N  47.3W     WEAK     WEAKENING SLIGHTLY
 12UTC 21.08.2008  17.1N  49.8W     WEAK    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 151659