000
WTNT80 EGRR 260418

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 26.08.2017

             HURRICANE HARVEY     ANALYSED POSITION : 27.8N  96.8W

     ATCF IDENTIFIER : AL092017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 26.08.2017  27.8N  96.8W    STRONG
 12UTC 26.08.2017  28.8N  97.1W   MODERATE   WEAKENING SLIGHTLY
 00UTC 27.08.2017  29.2N  97.1W   MODERATE   WEAKENING SLIGHTLY
 12UTC 27.08.2017  29.1N  97.0W   MODERATE      LITTLE CHANGE
 00UTC 28.08.2017  28.9N  96.7W   MODERATE      LITTLE CHANGE
 12UTC 28.08.2017  28.9N  96.5W   MODERATE      LITTLE CHANGE
 00UTC 29.08.2017  28.8N  96.4W   MODERATE   WEAKENING SLIGHTLY
 12UTC 29.08.2017  29.1N  96.8W   MODERATE   WEAKENING SLIGHTLY
 00UTC 30.08.2017  29.1N  96.8W     WEAK     WEAKENING SLIGHTLY
 12UTC 30.08.2017  30.2N  97.3W     WEAK        LITTLE CHANGE
 00UTC 31.08.2017  31.3N  97.5W     WEAK        LITTLE CHANGE
 12UTC 31.08.2017  32.5N  96.6W     WEAK        LITTLE CHANGE
 00UTC 01.09.2017  33.8N  95.0W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  72 HOURS
                   FORECAST POSITION AT T+ 72 : 31.5N  80.6W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 29.08.2017  31.5N  80.6W     WEAK
 12UTC 29.08.2017  32.7N  78.3W     WEAK        LITTLE CHANGE
 00UTC 30.08.2017  34.2N  74.5W     WEAK        LITTLE CHANGE
 12UTC 30.08.2017  35.5N  70.5W     WEAK        LITTLE CHANGE
 00UTC 31.08.2017  36.4N  65.6W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 31.08.2017  37.7N  61.1W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 01.09.2017  40.2N  56.8W    STRONG   INTENSIFYING RAPIDLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  90 HOURS
                   FORECAST POSITION AT T+ 90 : 18.8N 106.5W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 30.08.2017  19.5N 106.9W   MODERATE      LITTLE CHANGE
 12UTC 30.08.2017  20.3N 107.6W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 31.08.2017  21.6N 107.8W   MODERATE      LITTLE CHANGE
 12UTC 31.08.2017  23.6N 107.8W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 01.09.2017  25.9N 109.1W   MODERATE    WEAKENING RAPIDLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 102 HOURS
                   FORECAST POSITION AT T+102 : 10.5N 136.7W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 30.08.2017  10.9N 137.1W     WEAK     WEAKENING SLIGHTLY
 00UTC 31.08.2017  11.7N 137.9W     WEAK        LITTLE CHANGE
 12UTC 31.08.2017  12.3N 138.6W     WEAK        LITTLE CHANGE
 00UTC 01.09.2017  12.8N 139.3W     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 260418