000
WTNT80 EGRR 161800

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 16.08.2009

        TROPICAL STORM ANA        ANALYSED POSITION : 14.5N  54.7W

     ATCF IDENTIFIER : AL022009

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 16.08.2009  14.5N  54.7W     WEAK
 00UTC 17.08.2009  15.0N  58.9W     WEAK     WEAKENING SLIGHTLY
 12UTC 17.08.2009        BELOW TROPICAL STORM STRENGTH

        TROPICAL STORM BILL       ANALYSED POSITION : 11.3N  37.9W

     ATCF IDENTIFIER : AL032009

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 16.08.2009  11.3N  37.9W   MODERATE
 00UTC 17.08.2009  12.3N  40.3W   MODERATE   WEAKENING SLIGHTLY
 12UTC 17.08.2009  13.4N  44.2W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 18.08.2009  14.1N  47.1W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 18.08.2009  15.1N  49.8W   MODERATE      LITTLE CHANGE
 00UTC 19.08.2009  15.5N  53.0W   MODERATE      LITTLE CHANGE
 12UTC 19.08.2009  16.5N  55.5W   MODERATE   WEAKENING SLIGHTLY
 00UTC 20.08.2009  17.4N  58.8W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 20.08.2009  18.3N  61.1W   MODERATE      LITTLE CHANGE
 00UTC 21.08.2009  19.4N  64.2W   MODERATE      LITTLE CHANGE
 12UTC 21.08.2009  20.8N  66.7W    STRONG       LITTLE CHANGE
 00UTC 22.08.2009  22.3N  68.9W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 22.08.2009  24.2N  71.1W    STRONG   INTENSIFYING SLIGHTLY

   TROPICAL DEPRESSION FOUR       ANALYSED POSITION : 27.7N  84.1W

     ATCF IDENTIFIER : AL042009

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 16.08.2009  27.7N  84.1W     WEAK
 00UTC 17.08.2009  29.2N  86.0W     WEAK        LITTLE CHANGE
 12UTC 17.08.2009  30.4N  87.7W     WEAK        LITTLE CHANGE
 00UTC 18.08.2009        BELOW TROPICAL STORM STRENGTH

             HURRICANE GUILLERM   ANALYSED POSITION : 20.0N 138.1W

     ATCF IDENTIFIER : EP102009

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 16.08.2009  20.0N 138.1W   MODERATE
 00UTC 17.08.2009  20.4N 140.8W   MODERATE   WEAKENING SLIGHTLY
 12UTC 17.08.2009  21.1N 143.3W   MODERATE      LITTLE CHANGE
 00UTC 18.08.2009  22.0N 146.4W     WEAK     WEAKENING SLIGHTLY
 12UTC 18.08.2009  23.4N 149.5W     WEAK        LITTLE CHANGE
 00UTC 19.08.2009  24.9N 152.2W     WEAK        LITTLE CHANGE
 12UTC 19.08.2009  25.7N 155.5W     WEAK     WEAKENING SLIGHTLY
 00UTC 20.08.2009  27.2N 158.9W     WEAK        LITTLE CHANGE
 12UTC 20.08.2009        BELOW TROPICAL STORM STRENGTH


 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 161651