000
WTNT80 EGRR 201617

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 20.06.2017

        TROPICAL STORM BRET       ANALYSED POSITION : 11.4N  63.8W

     ATCF IDENTIFIER : AL022017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 20.06.2017  11.4N  63.8W     WEAK
 00UTC 21.06.2017        BELOW TROPICAL STORM STRENGTH

        TROPICAL STORM 03L        ANALYSED POSITION : 25.5N  90.5W

     ATCF IDENTIFIER : AL032017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 20.06.2017  25.5N  90.5W   MODERATE
 00UTC 21.06.2017  26.7N  91.1W   MODERATE      LITTLE CHANGE
 12UTC 21.06.2017  27.7N  92.3W   MODERATE      LITTLE CHANGE
 00UTC 22.06.2017  28.9N  93.5W   MODERATE      LITTLE CHANGE
 12UTC 22.06.2017  30.9N  94.7W   MODERATE      LITTLE CHANGE
 00UTC 23.06.2017  32.2N  94.5W   MODERATE      LITTLE CHANGE
 12UTC 23.06.2017  34.3N  92.4W   MODERATE      LITTLE CHANGE
 00UTC 24.06.2017  36.0N  87.6W   MODERATE      LITTLE CHANGE
 12UTC 24.06.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  66 HOURS
                   FORECAST POSITION AT T+ 66 : 13.0N  95.8W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 23.06.2017  13.0N  96.7W     WEAK        LITTLE CHANGE
 00UTC 24.06.2017  14.4N  97.2W     WEAK        LITTLE CHANGE
 12UTC 24.06.2017  15.6N  98.9W     WEAK        LITTLE CHANGE
 00UTC 25.06.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 114 HOURS
                   FORECAST POSITION AT T+114 : 16.3N 101.7W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 25.06.2017  16.8N 102.4W     WEAK        LITTLE CHANGE
 00UTC 26.06.2017  17.8N 104.3W     WEAK        LITTLE CHANGE
 12UTC 26.06.2017  18.9N 105.7W     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 201617