000
WTNT80 EGRR 060600

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 06.09.2011

             HURRICANE KATIA      ANALYSED POSITION : 25.5N  64.1W

     ATCF IDENTIFIER : AL122011

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 06.09.2011  25.5N  64.1W    STRONG
 12UTC 06.09.2011  26.9N  65.6W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 07.09.2011  27.8N  67.0W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 07.09.2011  28.7N  68.5W    STRONG    WEAKENING SLIGHTLY
 00UTC 08.09.2011  30.1N  69.8W    STRONG       LITTLE CHANGE
 12UTC 08.09.2011  31.5N  70.8W    STRONG    WEAKENING SLIGHTLY
 00UTC 09.09.2011  33.4N  70.9W    STRONG       LITTLE CHANGE
 12UTC 09.09.2011  36.0N  70.2W    STRONG       LITTLE CHANGE
 00UTC 10.09.2011  38.3N  67.3W    STRONG       LITTLE CHANGE
 12UTC 10.09.2011  39.7N  61.3W   MODERATE   WEAKENING SLIGHTLY
 00UTC 11.09.2011     EXTRA TROPICAL

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  36 HOURS
                   FORECAST POSITION AT T+ 36 : 10.9N  40.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 07.09.2011  10.9N  40.9W   MODERATE
 00UTC 08.09.2011  11.4N  43.7W   MODERATE      LITTLE CHANGE
 12UTC 08.09.2011  12.1N  46.7W   MODERATE      LITTLE CHANGE
 00UTC 09.09.2011  12.5N  49.9W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 09.09.2011  13.1N  53.3W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 10.09.2011  13.7N  56.5W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 10.09.2011  14.6N  59.3W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 11.09.2011  16.3N  61.7W   INTENSE       LITTLE CHANGE
 12UTC 11.09.2011  18.2N  64.1W   INTENSE       LITTLE CHANGE
 00UTC 12.09.2011  20.2N  65.9W   INTENSE       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 060518