000
WTNT80 EGRR 291618

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 29.07.2017

        TROPICAL STORM HILARY     ANALYSED POSITION : 21.1N 121.0W

     ATCF IDENTIFIER : EP092017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 29.07.2017  21.1N 121.0W   MODERATE
 00UTC 30.07.2017  22.9N 123.0W   MODERATE   WEAKENING SLIGHTLY
 12UTC 30.07.2017  24.4N 125.3W     WEAK     WEAKENING SLIGHTLY
 00UTC 31.07.2017  25.8N 127.5W     WEAK     WEAKENING SLIGHTLY
 12UTC 31.07.2017  27.1N 129.4W     WEAK        LITTLE CHANGE
 00UTC 01.08.2017        BELOW TROPICAL STORM STRENGTH

        TROPICAL STORM IRWIN      ANALYSED POSITION : 15.3N 124.8W

     ATCF IDENTIFIER : EP102017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 29.07.2017  15.3N 124.8W   MODERATE
 00UTC 30.07.2017  16.4N 125.2W   MODERATE      LITTLE CHANGE
 12UTC 30.07.2017  17.6N 126.1W   MODERATE      LITTLE CHANGE
 00UTC 31.07.2017  19.2N 127.3W   MODERATE      LITTLE CHANGE
 12UTC 31.07.2017  21.1N 128.5W     WEAK     WEAKENING SLIGHTLY
 00UTC 01.08.2017  22.8N 129.6W     WEAK        LITTLE CHANGE
 12UTC 01.08.2017  24.4N 130.5W     WEAK        LITTLE CHANGE
 00UTC 02.08.2017  26.0N 131.2W     WEAK        LITTLE CHANGE
 12UTC 02.08.2017  27.2N 132.0W     WEAK        LITTLE CHANGE
 00UTC 03.08.2017  27.9N 132.4W     WEAK        LITTLE CHANGE
 12UTC 03.08.2017  28.4N 132.6W     WEAK        LITTLE CHANGE
 00UTC 04.08.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  42 HOURS
                   FORECAST POSITION AT T+ 42 : 12.8N  33.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 31.07.2017  13.0N  34.9W     WEAK      WEAKENING RAPIDLY
 00UTC 01.08.2017  13.1N  38.8W     WEAK        LITTLE CHANGE
 12UTC 01.08.2017  12.5N  42.5W     WEAK        LITTLE CHANGE
 00UTC 02.08.2017  12.7N  45.4W     WEAK        LITTLE CHANGE
 12UTC 02.08.2017  13.1N  48.4W     WEAK        LITTLE CHANGE
 00UTC 03.08.2017  14.1N  51.4W     WEAK        LITTLE CHANGE
 12UTC 03.08.2017  15.7N  54.1W     WEAK        LITTLE CHANGE
 00UTC 04.08.2017  16.8N  56.3W     WEAK        LITTLE CHANGE
 12UTC 04.08.2017  18.0N  57.7W   MODERATE  INTENSIFYING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  48 HOURS
                   FORECAST POSITION AT T+ 48 : 28.2N  85.7W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 31.07.2017  28.2N  85.7W     WEAK
 00UTC 01.08.2017  28.6N  86.0W     WEAK        LITTLE CHANGE
 12UTC 01.08.2017  28.8N  87.0W     WEAK        LITTLE CHANGE
 00UTC 02.08.2017  28.7N  86.8W     WEAK        LITTLE CHANGE
 12UTC 02.08.2017  29.0N  85.1W     WEAK        LITTLE CHANGE
 00UTC 03.08.2017  29.4N  83.3W     WEAK        LITTLE CHANGE
 12UTC 03.08.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 102 HOURS
                   FORECAST POSITION AT T+102 : 32.4N  76.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 03.08.2017  33.4N  74.2W     WEAK      WEAKENING RAPIDLY
 12UTC 03.08.2017  34.5N  71.3W     WEAK        LITTLE CHANGE
 00UTC 04.08.2017  35.3N  67.3W     WEAK        LITTLE CHANGE
 12UTC 04.08.2017  36.1N  64.7W     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 291618