000
WTNT80 EGRR 111800

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 11.09.2012

        TROPICAL STORM LESLIE     ANALYSED POSITION : 47.7N  55.0W

     ATCF IDENTIFIER : AL122012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 11.09.2012  47.7N  55.0W   INTENSE
 00UTC 12.09.2012        EXTRA-TROPICAL

   TROPICAL DEPRESSION 14L        ANALYSED POSITION : 16.6N  43.4W

     ATCF IDENTIFIER : AL142012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 11.09.2012  16.6N  43.4W     WEAK
 00UTC 12.09.2012  17.3N  44.3W     WEAK        LITTLE CHANGE
 12UTC 12.09.2012  19.4N  47.8W     WEAK        LITTLE CHANGE
 00UTC 13.09.2012  20.5N  50.5W     WEAK        LITTLE CHANGE
 12UTC 13.09.2012  22.4N  53.6W     WEAK        LITTLE CHANGE
 00UTC 14.09.2012  23.2N  55.1W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 14.09.2012  24.7N  56.4W   MODERATE      LITTLE CHANGE
 00UTC 15.09.2012  26.4N  56.7W   MODERATE      LITTLE CHANGE
 12UTC 15.09.2012  28.2N  56.4W   MODERATE      LITTLE CHANGE
 00UTC 16.09.2012  30.1N  54.7W    STRONG   INTENSIFYING RAPIDLY
 12UTC 16.09.2012  31.7N  52.6W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 17.09.2012  33.6N  50.5W   INTENSE   INTENSIFYING RAPIDLY
 12UTC 17.09.2012  34.8N  48.7W   INTENSE    WEAKENING SLIGHTLY

        TROPICAL STORM MICHAEL    ANALYSED POSITION : 38.1N  47.7W

     ATCF IDENTIFIER : AL132012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 11.09.2012  38.1N  47.7W    STRONG
 00UTC 12.09.2012            EXTRA-TROPICAL

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  24 HOURS
                   FORECAST POSITION AT T+ 24 : 15.7N 105.0W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 12.09.2012  15.7N 105.0W     WEAK
 00UTC 13.09.2012  17.0N 106.5W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 13.09.2012  17.7N 108.5W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 14.09.2012  18.4N 110.5W    STRONG       LITTLE CHANGE
 12UTC 14.09.2012  18.8N 112.3W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 15.09.2012  19.6N 114.2W    STRONG       LITTLE CHANGE
 12UTC 15.09.2012  20.5N 116.3W    STRONG       LITTLE CHANGE
 00UTC 16.09.2012  21.9N 118.3W    STRONG       LITTLE CHANGE
 12UTC 16.09.2012  23.1N 120.3W   MODERATE   WEAKENING SLIGHTLY
 00UTC 17.09.2012  24.5N 121.7W     WEAK     WEAKENING SLIGHTLY
 12UTC 17.09.2012  25.4N 122.8W     WEAK     WEAKENING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 22.4N  53.6W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 13.09.2012  22.4N  53.6W     WEAK
 00UTC 14.09.2012  23.2N  55.1W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 14.09.2012  24.7N  56.4W     WEAK        LITTLE CHANGE
 00UTC 15.09.2012  26.4N  56.7W     WEAK        LITTLE CHANGE
 12UTC 15.09.2012  28.2N  56.4W   MODERATE      LITTLE CHANGE
 00UTC 16.09.2012  30.1N  54.7W    STRONG   INTENSIFYING RAPIDLY
 12UTC 16.09.2012  31.7N  52.6W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 17.09.2012  33.6N  50.5W   INTENSE   INTENSIFYING RAPIDLY
 12UTC 17.09.2012  34.8N  48.7W   INTENSE    WEAKENING 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 111654