000
WTNT80 EGRR 170600

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 17.09.2009

        TROPICAL STORM MARTY      ANALYSED POSITION : 18.9N 112.7W

     ATCF IDENTIFIER : EP162009

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 17.09.2009  18.9N 112.7W     WEAK
 12UTC 17.09.2009  19.2N 113.4W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 18.09.2009  19.7N 113.9W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 18.09.2009  20.4N 114.7W   MODERATE      LITTLE CHANGE
 00UTC 19.09.2009  20.8N 116.0W     WEAK     WEAKENING SLIGHTLY
 12UTC 19.09.2009  21.0N 117.7W     WEAK        LITTLE CHANGE
 00UTC 20.09.2009  21.6N 119.5W     WEAK     WEAKENING SLIGHTLY
 12UTC 20.09.2009  21.5N 121.1W     WEAK     WEAKENING SLIGHTLY
 00UTC 21.09.2009      BELOW TROPICAL STORM STRENGTH

    TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION :
33.8N  71.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 17.09.2009  33.8N  71.3W     WEAK
 12UTC 17.09.2009  36.1N  69.8W     WEAK   INTENSIFYING SLIGHTLY
 00UTC 18.09.2009  39.1N  65.6W   MODERATE INTENSIFYING SLIGHTLY
 12UTC 18.09.2009  44.8N  59.0W     WEAK   WEAKENING RAPIDLY
 00UTC 19.09.2009   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 170446