000
WTNT80 EGRR 051800

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 05.09.2009

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 12.4N  21.6W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 07.09.2009  12.4N  21.6W     WEAK
 00UTC 08.09.2009  13.5N  24.0W     WEAK        LITTLE CHANGE
 12UTC 08.09.2009  13.0N  26.8W     WEAK        LITTLE CHANGE
 00UTC 09.09.2009  14.6N  28.7W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 09.09.2009  15.9N  30.1W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 10.09.2009  16.8N  31.7W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 10.09.2009  18.2N  32.4W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 11.09.2009  18.9N  32.9W   MODERATE   WEAKENING SLIGHTLY
 12UTC 11.09.2009  19.3N  33.0W   MODERATE   WEAKENING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  60 HOURS
                   FORECAST POSITION AT T+ 60 : 17.3N 123.0W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 08.09.2009  17.3N 123.0W     WEAK
 12UTC 08.09.2009  17.5N 123.7W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 09.09.2009  19.4N 123.1W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 09.09.2009  19.6N 124.1W   MODERATE      LITTLE CHANGE
 00UTC 10.09.2009  20.4N 124.4W     WEAK     WEAKENING SLIGHTLY
 12UTC 10.09.2009  21.9N 124.9W     WEAK        LITTLE CHANGE
 00UTC 11.09.2009  22.8N 125.6W     WEAK      WEAKENING RAPIDLY
 12UTC 11.09.2009  23.4N 126.2W     WEAK     WEAKENING SLIGHTLY


      TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION :
      26.8N 149.6E

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 05.09.2009  26.8N 149.6E     WEAK
 00UTC 06.09.2009  30.4N 150.6E   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 06.09.2009  33.8N 154.1E     WEAK     WEAKENING SLIGHTLY
 00UTC 07.09.2009  35.3N 160.6E   MODERATE  INTENSIFYING RAPIDLY
 12UTC 07.09.2009  37.5N 166.8E   INTENSE   INTENSIFYING RAPIDLY
 00UTC 08.09.2009  39.9N 174.0E   INTENSE   INTENSIFYING RAPIDLY
 12UTC 08.09.2009  42.3N 178.7W   INTENSE     WEAKENING RAPIDLY
 00UTC 09.09.2009  44.0N 172.0W   INTENSE    WEAKENING SLIGHTLY
 12UTC 09.09.2009  43.7N 164.6W    STRONG     WEAKENING RAPIDLY
 00UTC 10.09.2009  EXTRA-TROPICAL

 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 051653