000
WTNT80 EGRR 090417

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 09.08.2015

             HURRICANE HILDA      ANALYSED POSITION : 13.7N 143.8W

     ATCF IDENTIFIER : EP102015

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 09.08.2015  13.7N 143.8W    STRONG
 12UTC 09.08.2015  14.3N 146.1W   MODERATE   WEAKENING SLIGHTLY
 00UTC 10.08.2015  15.2N 148.1W   MODERATE      LITTLE CHANGE
 12UTC 10.08.2015  15.9N 149.5W   MODERATE      LITTLE CHANGE
 00UTC 11.08.2015  16.8N 150.5W   MODERATE      LITTLE CHANGE
 12UTC 11.08.2015  17.3N 151.6W     WEAK     WEAKENING SLIGHTLY
 00UTC 12.08.2015  17.7N 152.4W     WEAK        LITTLE CHANGE
 12UTC 12.08.2015  18.0N 153.3W     WEAK        LITTLE CHANGE
 00UTC 13.08.2015  17.9N 154.5W     WEAK        LITTLE CHANGE
 12UTC 13.08.2015  17.6N 155.6W     WEAK        LITTLE CHANGE
 00UTC 14.08.2015  17.2N 156.4W     WEAK        LITTLE CHANGE
 12UTC 14.08.2015  17.2N 158.2W     WEAK        LITTLE CHANGE
 00UTC 15.08.2015        BELOW TROPICAL STORM STRENGTH

    TROPICAL STORM DEVELOPED IN THE MODEL ANALYSIS AT POSITION : 35.7N  71.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 09.08.2015  35.7N  71.9W     WEAK
 12UTC 09.08.2015  38.3N  68.3W     WEAK        LITTLE CHANGE
 00UTC 10.08.2015  39.4N  65.9W     WEAK        LITTLE CHANGE
 12UTC 10.08.2015  42.4N  62.3W     WEAK        LITTLE CHANGE
 00UTC 11.08.2015  47.3N  55.3W     WEAK        LITTLE CHANGE
 12UTC 11.08.2015  52.7N  46.5W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 12.08.2015        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 108 HOURS
                   FORECAST POSITION AT T+108 : 21.3N  17.2W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 13.08.2015  21.3N  17.2W     WEAK
 00UTC 14.08.2015  21.7N  19.6W     WEAK        LITTLE CHANGE
 12UTC 14.08.2015  22.1N  22.0W     WEAK        LITTLE CHANGE
 00UTC 15.08.2015        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 120 HOURS
                   FORECAST POSITION AT T+120 : 10.7N 103.2W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 14.08.2015  10.7N 103.2W     WEAK
 12UTC 14.08.2015  11.9N 106.0W     WEAK        LITTLE CHANGE
 00UTC 15.08.2015  12.6N 109.7W   MODERATE  INTENSIFYING SLIGHTLY


 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 090417