000
WTNT80 EGRR 210418

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 21.05.2015

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  24 HOURS
                   FORECAST POSITION AT T+ 24 : 36.9N  75.5W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 22.05.2015  36.9N  75.5W     WEAK
 12UTC 22.05.2015  39.2N  69.6W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 23.05.2015  43.6N  62.1W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 23.05.2015  49.2N  55.6W   MODERATE      LITTLE CHANGE
 00UTC 24.05.2015  54.7N  55.3W   MODERATE      LITTLE CHANGE
 12UTC 24.05.2015  POST-TROPICAL

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  42 HOURS
                   FORECAST POSITION AT T+ 42 :  7.5N 137.5W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 23.05.2015   8.2N 136.9W     WEAK     WEAKENING SLIGHTLY
 12UTC 23.05.2015   8.4N 138.0W     WEAK        LITTLE CHANGE
 00UTC 24.05.2015   9.0N 139.0W     WEAK        LITTLE CHANGE
 12UTC 24.05.2015   9.4N 139.2W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 25.05.2015  10.1N 138.6W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 25.05.2015  11.2N 137.6W   MODERATE      LITTLE CHANGE
 00UTC 26.05.2015  12.4N 136.5W   MODERATE      LITTLE CHANGE
 12UTC 26.05.2015  13.8N 135.4W   MODERATE      LITTLE CHANGE
 00UTC 27.05.2015  14.8N 135.3W   MODERATE      LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  54 HOURS
                   FORECAST POSITION AT T+ 54 : 10.7N 126.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 23.05.2015  11.3N 126.9W     WEAK        LITTLE CHANGE
 00UTC 24.05.2015  12.5N 128.9W     WEAK        LITTLE CHANGE
 12UTC 24.05.2015  13.9N 130.1W     WEAK        LITTLE CHANGE
 00UTC 25.05.2015  14.6N 130.6W     WEAK        LITTLE CHANGE
 12UTC 25.05.2015  15.0N 131.5W     WEAK        LITTLE CHANGE
 00UTC 26.05.2015        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.

 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 210418