000
WTNT80 EGRR 151617

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 15.09.2015

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER   6 HOURS
                   FORECAST POSITION AT T+  6 : 12.5N  42.6W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 16.09.2015  12.9N  42.6W     WEAK     WEAKENING SLIGHTLY
 12UTC 16.09.2015  13.7N  43.1W     WEAK        LITTLE CHANGE
 00UTC 17.09.2015  14.2N  43.2W     WEAK        LITTLE CHANGE
 12UTC 17.09.2015  15.0N  43.9W     WEAK        LITTLE CHANGE
 00UTC 18.09.2015  15.6N  43.8W     WEAK        LITTLE CHANGE
 12UTC 18.09.2015  16.1N  43.6W     WEAK        LITTLE CHANGE
 00UTC 19.09.2015  16.6N  43.6W     WEAK        LITTLE CHANGE
 12UTC 19.09.2015  17.0N  43.7W     WEAK        LITTLE CHANGE
 00UTC 20.09.2015  17.6N  44.0W     WEAK        LITTLE CHANGE
 12UTC 20.09.2015  18.0N  44.5W     WEAK        LITTLE CHANGE
 00UTC 21.09.2015  21.6N  42.7W     WEAK        LITTLE CHANGE
 12UTC 21.09.2015        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  36 HOURS
                   FORECAST POSITION AT T+ 36 : 12.7N  30.6W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 17.09.2015  12.7N  30.6W     WEAK
 12UTC 17.09.2015  13.8N  32.4W     WEAK        LITTLE CHANGE
 00UTC 18.09.2015  14.3N  34.0W     WEAK        LITTLE CHANGE
 12UTC 18.09.2015  15.6N  34.4W     WEAK        LITTLE CHANGE
 00UTC 19.09.2015  17.5N  35.3W     WEAK        LITTLE CHANGE
 12UTC 19.09.2015  18.7N  36.5W     WEAK        LITTLE CHANGE
 00UTC 20.09.2015  19.9N  38.2W     WEAK        LITTLE CHANGE
 12UTC 20.09.2015  20.8N  40.1W     WEAK        LITTLE CHANGE
 00UTC 21.09.2015  21.7N  42.7W     WEAK        LITTLE CHANGE
 12UTC 21.09.2015  21.3N  45.0W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 14.0N 173.8W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 17.09.2015  14.0N 173.8W     WEAK
 00UTC 18.09.2015  15.8N 174.7W     WEAK        LITTLE CHANGE
 12UTC 18.09.2015  17.3N 174.8W     WEAK        LITTLE CHANGE
 00UTC 19.09.2015  18.4N 174.0W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 19.09.2015  18.9N 173.0W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 20.09.2015  19.8N 172.1W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 20.09.2015  21.0N 171.1W    STRONG       LITTLE CHANGE
 00UTC 21.09.2015  22.6N 171.1W   MODERATE   WEAKENING SLIGHTLY
 12UTC 21.09.2015  24.2N 171.1W   MODERATE      LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 108 HOURS
                   FORECAST POSITION AT T+108 : 18.2N 115.4W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 20.09.2015  18.2N 115.4W     WEAK
 12UTC 20.09.2015  21.0N 116.8W     WEAK        LITTLE CHANGE
 00UTC 21.09.2015  22.0N 117.5W     WEAK        LITTLE CHANGE
 12UTC 21.09.2015  24.5N 119.0W     WEAK        LITTLE CHANGE


 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 151617