000
WTNT80 EGRR 051800

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 05.09.2011

             HURRICANE KATIA      ANALYSED POSITION : 24.5N  62.7W

     ATCF IDENTIFIER : AL122011

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 05.09.2011  24.5N  62.7W    STRONG
 00UTC 06.09.2011  25.6N  64.1W    STRONG       LITTLE CHANGE
 12UTC 06.09.2011  26.9N  65.6W    STRONG       LITTLE CHANGE
 00UTC 07.09.2011  27.8N  67.1W    STRONG       LITTLE CHANGE
 12UTC 07.09.2011  28.7N  68.4W    STRONG    WEAKENING SLIGHTLY
 00UTC 08.09.2011  29.8N  70.5W    STRONG       LITTLE CHANGE
 12UTC 08.09.2011  31.3N  71.8W   MODERATE      LITTLE CHANGE
 00UTC 09.09.2011  33.4N  72.2W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 09.09.2011  35.9N  72.9W   MODERATE   WEAKENING SLIGHTLY
 00UTC 10.09.2011  38.0N  72.2W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 10.09.2011  39.9N  67.7W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 11.09.2011  39.9N  61.6W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 11.09.2011  39.5N  54.6W    STRONG     WEAKENING SLIGHTLY

        TROPICAL STORM LEE        ANALYSED POSITION : 30.4N  90.2W

     ATCF IDENTIFIER : AL132011

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 05.09.2011  30.4N  90.2W     WEAK
 00UTC 06.09.2011  31.4N  87.0W     WEAK     WEAKENING RAPIDLY
 12UTC 06.09.2011        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  72 HOURS
                   FORECAST POSITION AT T+ 72 : 10.7N  46.4W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 08.09.2011  10.7N  46.4W     WEAK
 00UTC 09.09.2011  10.8N  50.1W     WEAK        LITTLE CHANGE
 12UTC 09.09.2011  11.8N  53.9W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 10.09.2011  12.8N  57.7W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 10.09.2011  13.4N  61.3W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 11.09.2011  14.6N  64.2W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 11.09.2011  16.0N  67.3W   INTENSE   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 051715