000
WTNT80 EGRR 221617

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 22.09.2015

        TROPICAL STORM IDA        ANALYSED POSITION : 21.1N  48.3W

     ATCF IDENTIFIER : AL102015

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 22.09.2015  21.1N  48.3W     WEAK
 00UTC 23.09.2015  20.9N  47.3W     WEAK        LITTLE CHANGE
 12UTC 23.09.2015  19.9N  46.5W     WEAK        LITTLE CHANGE
 00UTC 24.09.2015  19.4N  46.4W     WEAK        LITTLE CHANGE
 12UTC 24.09.2015  19.6N  46.2W     WEAK        LITTLE CHANGE
 00UTC 25.09.2015  20.3N  46.6W     WEAK        LITTLE CHANGE
 12UTC 25.09.2015  20.9N  47.3W     WEAK        LITTLE CHANGE
 00UTC 26.09.2015  21.6N  48.3W     WEAK        LITTLE CHANGE
 12UTC 26.09.2015  21.9N  49.2W     WEAK        LITTLE CHANGE
 00UTC 27.09.2015  22.3N  50.2W     WEAK        LITTLE CHANGE
 12UTC 27.09.2015  22.5N  50.7W     WEAK        LITTLE CHANGE
 00UTC 28.09.2015  22.5N  51.1W   MODERATE      LITTLE CHANGE
 12UTC 28.09.2015  22.8N  51.6W   MODERATE      LITTLE CHANGE

        TROPICAL STORM MALIA      ANALYSED POSITION : 28.2N 173.1W

     ATCF IDENTIFIER : CP052015

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 22.09.2015  28.2N 173.1W     WEAK
 00UTC 23.09.2015  30.0N 173.5W     WEAK        LITTLE CHANGE
 12UTC 23.09.2015        BELOW TROPICAL STORM STRENGTH

    TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 36.3N  61.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 22.09.2015  36.3N  61.3W     WEAK
 00UTC 23.09.2015  36.1N  62.4W     WEAK        LITTLE CHANGE
 12UTC 23.09.2015  35.9N  61.8W     WEAK        LITTLE CHANGE
 00UTC 24.09.2015        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  30 HOURS
                   FORECAST POSITION AT T+ 30 : 13.2N 144.1W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 24.09.2015  13.7N 143.7W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 24.09.2015  15.2N 143.9W     WEAK        LITTLE CHANGE
 00UTC 25.09.2015  16.1N 144.1W     WEAK        LITTLE CHANGE
 12UTC 25.09.2015  17.4N 144.6W     WEAK        LITTLE CHANGE
 00UTC 26.09.2015  18.2N 144.9W     WEAK        LITTLE CHANGE
 12UTC 26.09.2015  18.6N 145.3W     WEAK     WEAKENING SLIGHTLY
 00UTC 27.09.2015  18.7N 145.8W     WEAK        LITTLE CHANGE
 12UTC 27.09.2015  18.4N 146.5W     WEAK        LITTLE CHANGE
 00UTC 28.09.2015  17.8N 147.7W     WEAK        LITTLE CHANGE
 12UTC 28.09.2015        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 108 HOURS
                   FORECAST POSITION AT T+108 : 14.1N 102.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 27.09.2015  14.1N 102.3W     WEAK
 12UTC 27.09.2015  13.7N 103.7W     WEAK        LITTLE CHANGE
 00UTC 28.09.2015  15.4N 103.7W     WEAK        LITTLE CHANGE
 12UTC 28.09.2015  16.0N 103.6W   MODERATE      LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 144 HOURS
                   FORECAST POSITION AT T+144 : 12.1N 134.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 28.09.2015  12.1N 134.9W     WEAK


 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.

 BULLETINS ARE NOW AVAILABLE WHICH PROVIDE EXPLICIT GUIDANCE
 ON CENTRAL PRESSURE AND MAXIMUM WIND SPEED.
 FOR FURTHER INFORMATION CONTACT TROPICAL_CYCLONES@METOFFICE.GOV.UK

 MET OFFICE, EXETER, UK

 TOO 221617