000
WTNT80 EGRR 310600

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 31.07.2009

        TROPICAL STORM LANA       ANALYSED POSITION : 12.2N 141.9W

     ATCF IDENTIFIER : EP062009

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 31.07.2009  12.2N 141.9W     WEAK
 12UTC 31.07.2009  12.9N 144.7W     WEAK        LITTLE CHANGE
 00UTC 01.08.2009  13.2N 147.2W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 01.08.2009  13.7N 150.3W     WEAK     WEAKENING SLIGHTLY
 00UTC 02.08.2009  14.4N 153.4W     WEAK        LITTLE CHANGE
 12UTC 02.08.2009  14.9N 156.1W     WEAK        LITTLE CHANGE
 00UTC 03.08.2009  15.1N 159.1W     WEAK     WEAKENING SLIGHTLY
 12UTC 03.08.2009        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 :  8.3N 104.1W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 02.08.2009   8.3N 104.1W     WEAK
 12UTC 02.08.2009   9.5N 106.3W     WEAK     WEAKENING SLIGHTLY
 00UTC 03.08.2009  10.3N 106.3W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 03.08.2009  11.2N 108.6W     WEAK        LITTLE CHANGE
 00UTC 04.08.2009  12.3N 110.8W     WEAK     WEAKENING SLIGHTLY
 12UTC 04.08.2009  13.4N 111.7W     WEAK        LITTLE CHANGE
 00UTC 05.08.2009  14.8N 115.1W     WEAK        LITTLE CHANGE
 12UTC 05.08.2009  15.4N 117.9W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 06.08.2009  15.7N 119.6W     WEAK    INTENSIFYING SLIGHTLY


 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 310439