000
WTNT80 EGRR 241800

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 24.09.2012

             HURRICANE MIRIAM     ANALYSED POSITION : 17.3N 113.3W

     ATCF IDENTIFIER : EP132012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 24.09.2012  17.3N 113.3W     WEAK
 00UTC 25.09.2012  18.0N 114.8W     WEAK        LITTLE CHANGE
 12UTC 25.09.2012  18.4N 115.8W     WEAK     WEAKENING SLIGHTLY
 00UTC 26.09.2012  18.6N 116.9W     WEAK        LITTLE CHANGE
 12UTC 26.09.2012  19.0N 116.9W     WEAK        LITTLE CHANGE
 00UTC 27.09.2012  18.6N 117.9W     WEAK        LITTLE CHANGE
 12UTC 27.09.2012  18.8N 118.6W     WEAK     WEAKENING SLIGHTLY
 00UTC 28.09.2012  18.6N 119.3W     WEAK        LITTLE CHANGE
 12UTC 28.09.2012  18.6N 119.8W     WEAK        LITTLE CHANGE
 00UTC 29.09.2012  19.1N 121.0W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 29.09.2012  19.5N 121.4W     WEAK        LITTLE CHANGE
 00UTC 30.09.2012  20.0N 122.2W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 30.09.2012  19.9N 123.2W     WEAK        LITTLE CHANGE

        TROPICAL STORM NADINE     ANALYSED POSITION : 31.5N  27.2W

     ATCF IDENTIFIER : AL142012

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 24.09.2012  31.5N  27.2W    STRONG
 00UTC 25.09.2012  32.2N  28.5W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 25.09.2012  32.2N  30.1W   INTENSE   INTENSIFYING RAPIDLY
 00UTC 26.09.2012  31.3N  30.8W   INTENSE    WEAKENING SLIGHTLY
 12UTC 26.09.2012  30.3N  31.0W    STRONG    WEAKENING SLIGHTLY
 00UTC 27.09.2012  29.2N  31.5W   MODERATE      LITTLE CHANGE
 12UTC 27.09.2012  28.5N  32.6W   MODERATE   WEAKENING SLIGHTLY
 00UTC 28.09.2012  28.5N  33.8W   MODERATE   WEAKENING SLIGHTLY
 12UTC 28.09.2012  28.9N  35.1W     WEAK     WEAKENING SLIGHTLY
 00UTC 29.09.2012  29.9N  36.0W     WEAK        LITTLE CHANGE
 12UTC 29.09.2012  31.5N  37.0W   MODERATE  INTENSIFYING RAPIDLY
 00UTC 30.09.2012  33.4N  37.8W   STRONG    INTENSIFYING RAPIDLY
 12UTC 30.09.2012  34.1N  39.5W   STRONG        LITTLE CHANGE

    TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 31.2N 114.7W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 24.09.2012  31.2N 114.7W     WEAK
 00UTC 25.09.2012  29.8N 114.3W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 25.09.2012  33.7N 115.2W     WEAK     WEAKENING SLIGHTLY
 00UTC 26.09.2012  36.8N 118.3W     WEAK        LITTLE CHANGE
 12UTC 26.09.2012  42.1N 124.1W     WEAK        LITTLE CHANGE
 00UTC 27.09.2012        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 25.0N 109.8W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 26.09.2012  25.0N 109.8W     WEAK
 00UTC 27.09.2012  24.4N 111.5W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 27.09.2012        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 241707