000
WTNT80 EGRR 210600

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 21.08.2009

             HURRICANE BILL       ANALYSED POSITION : 24.5N  63.8W

     ATCF IDENTIFIER : AL032009

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 21.08.2009  24.5N  63.8W   INTENSE
 12UTC 21.08.2009  26.4N  66.1W   INTENSE    WEAKENING SLIGHTLY
 00UTC 22.08.2009  29.2N  67.8W   INTENSE       LITTLE CHANGE
 12UTC 22.08.2009  32.4N  68.9W   INTENSE       LITTLE CHANGE
 00UTC 23.08.2009  35.8N  68.9W   INTENSE       LITTLE CHANGE
 12UTC 23.08.2009  40.0N  67.2W   INTENSE       LITTLE CHANGE
 00UTC 24.08.2009  44.5N  62.7W    STRONG     WEAKENING RAPIDLY
 12UTC 24.08.2009  49.0N  53.8W   MODERATE   WEAKENING SLIGHTLY
 00UTC 25.08.2009  51.9N  42.5W   EXTRA-TROPICAL

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 13.6N 138.0W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 23.08.2009  13.6N 138.0W     WEAK
 12UTC 23.08.2009  14.4N 140.3W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 24.08.2009  14.8N 142.0W     WEAK        LITTLE CHANGE
 12UTC 24.08.2009  15.2N 144.2W     WEAK        LITTLE CHANGE
 00UTC 25.08.2009  15.8N 146.0W     WEAK        LITTLE CHANGE
 12UTC 25.08.2009  15.3N 147.5W     WEAK        LITTLE CHANGE
 00UTC 26.08.2009  15.3N 149.0W     WEAK     WEAKENING SLIGHTLY
 12UTC 26.08.2009  15.1N 150.9W     WEAK     WEAKENING SLIGHTLY
 00UTC 27.08.2009  15.3N 153.0W     WEAK        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 210545