000
WTNT80 EGRR 080413

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 08.09.2017

             HURRICANE IRMA       ANALYSED POSITION : 21.1N  72.0W

     ATCF IDENTIFIER : AL112017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 08.09.2017  21.1N  72.0W   INTENSE
 12UTC 08.09.2017  21.4N  74.6W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 09.09.2017  21.9N  76.9W   INTENSE       LITTLE CHANGE
 12UTC 09.09.2017  22.1N  79.0W   INTENSE     WEAKENING RAPIDLY
 00UTC 10.09.2017  22.6N  80.4W   INTENSE       LITTLE CHANGE
 12UTC 10.09.2017  23.4N  81.1W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 11.09.2017  24.9N  81.4W   INTENSE   INTENSIFYING RAPIDLY
 12UTC 11.09.2017  26.9N  81.4W   INTENSE     WEAKENING RAPIDLY
 00UTC 12.09.2017  29.5N  81.3W   INTENSE     WEAKENING RAPIDLY
 12UTC 12.09.2017  32.5N  81.8W    STRONG     WEAKENING RAPIDLY
 00UTC 13.09.2017  35.1N  82.5W   MODERATE    WEAKENING RAPIDLY
 12UTC 13.09.2017  37.2N  83.0W   MODERATE   WEAKENING SLIGHTLY
 00UTC 14.09.2017        BELOW TROPICAL STORM STRENGTH

             HURRICANE JOSE       ANALYSED POSITION : 15.6N  53.2W

     ATCF IDENTIFIER : AL122017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 08.09.2017  15.6N  53.2W   INTENSE
 12UTC 08.09.2017  16.3N  56.2W    STRONG     WEAKENING RAPIDLY
 00UTC 09.09.2017  16.9N  58.6W    STRONG    WEAKENING SLIGHTLY
 12UTC 09.09.2017  17.8N  60.3W    STRONG       LITTLE CHANGE
 00UTC 10.09.2017  19.2N  62.1W    STRONG       LITTLE CHANGE
 12UTC 10.09.2017  21.0N  64.2W    STRONG       LITTLE CHANGE
 00UTC 11.09.2017  22.9N  66.1W    STRONG   INTENSIFYING SLIGHTLY
 12UTC 11.09.2017  24.8N  67.7W    STRONG       LITTLE CHANGE
 00UTC 12.09.2017  26.6N  68.4W    STRONG       LITTLE CHANGE
 12UTC 12.09.2017  27.7N  67.7W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 13.09.2017  28.2N  65.8W   INTENSE       LITTLE CHANGE
 12UTC 13.09.2017  27.7N  64.0W   INTENSE   INTENSIFYING RAPIDLY
 00UTC 14.09.2017  27.1N  62.6W   INTENSE       LITTLE CHANGE

             HURRICANE KATIA      ANALYSED POSITION : 21.6N  95.1W

     ATCF IDENTIFIER : AL132017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 08.09.2017  21.6N  95.1W   MODERATE
 12UTC 08.09.2017  21.3N  96.2W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 09.09.2017  20.9N  97.0W   MODERATE   WEAKENING SLIGHTLY
 12UTC 09.09.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 126 HOURS
                   FORECAST POSITION AT T+126 : 15.1N 102.7W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 13.09.2017  16.0N 103.2W     WEAK     WEAKENING SLIGHTLY
 00UTC 14.09.2017  17.0N 104.6W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 132 HOURS
                   FORECAST POSITION AT T+132 : 13.9N 114.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 13.09.2017  13.9N 114.9W     WEAK
 00UTC 14.09.2017  14.8N 114.9W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 144 HOURS
                   FORECAST POSITION AT T+144 : 32.8N  43.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 14.09.2017  32.8N  43.9W     WEAK


 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 080413