000
WTNT80 EGRR 261604

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 26.10.2017

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER   6 HOURS
                   FORECAST POSITION AT T+  6 : 10.9N  88.0W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 27.10.2017  10.7N  88.4W     WEAK      WEAKENING RAPIDLY
 12UTC 27.10.2017  11.4N  89.3W   MODERATE      LITTLE CHANGE
 00UTC 28.10.2017  12.7N  90.0W   MODERATE      LITTLE CHANGE
 12UTC 28.10.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  30 HOURS
                   FORECAST POSITION AT T+ 30 : 16.9N  82.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 28.10.2017  17.7N  83.5W     WEAK     WEAKENING SLIGHTLY
 12UTC 28.10.2017  20.8N  82.8W     WEAK        LITTLE CHANGE
 00UTC 29.10.2017  23.5N  80.6W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 29.10.2017  25.8N  77.3W   MODERATE      LITTLE CHANGE
 00UTC 30.10.2017  30.0N  72.7W   MODERATE      LITTLE CHANGE
 12UTC 30.10.2017  36.4N  67.1W   MODERATE      LITTLE CHANGE
 00UTC 31.10.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  78 HOURS
                   FORECAST POSITION AT T+ 78 : 32.5N  76.2W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 30.10.2017  36.5N  74.0W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 30.10.2017  44.2N  74.8W    STRONG   INTENSIFYING RAPIDLY
 00UTC 31.10.2017  49.6N  74.1W    STRONG       LITTLE CHANGE
 12UTC 31.10.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 120 HOURS
                   FORECAST POSITION AT T+120 : 32.8N  37.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 31.10.2017  32.8N  37.3W     WEAK
 00UTC 01.11.2017  32.9N  38.7W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 01.11.2017  31.1N  41.0W   MODERATE      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 261604