000
WTNT80 EGRR 030408

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 00UTC 03.09.2017

             HURRICANE IRMA       ANALYSED POSITION : 18.4N  45.5W

     ATCF IDENTIFIER : AL112017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 03.09.2017  18.4N  45.5W    STRONG
 12UTC 03.09.2017  17.3N  47.9W    STRONG    WEAKENING SLIGHTLY
 00UTC 04.09.2017  16.8N  49.9W    STRONG       LITTLE CHANGE
 12UTC 04.09.2017  16.4N  52.2W    STRONG   INTENSIFYING SLIGHTLY
 00UTC 05.09.2017  16.2N  54.1W    STRONG       LITTLE CHANGE
 12UTC 05.09.2017  16.4N  56.3W    STRONG       LITTLE CHANGE
 00UTC 06.09.2017  17.0N  58.4W   INTENSE       LITTLE CHANGE
 12UTC 06.09.2017  18.1N  60.9W   INTENSE       LITTLE CHANGE
 00UTC 07.09.2017  19.1N  63.5W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 07.09.2017  20.0N  66.1W   INTENSE       LITTLE CHANGE
 00UTC 08.09.2017  20.7N  68.6W   INTENSE   INTENSIFYING SLIGHTLY
 12UTC 08.09.2017  21.2N  71.0W   INTENSE   INTENSIFYING SLIGHTLY
 00UTC 09.09.2017  21.6N  72.7W   INTENSE       LITTLE CHANGE

   TROPICAL DEPRESSION LIDIA      ANALYSED POSITION : 28.9N 115.3W

     ATCF IDENTIFIER : EP142017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 03.09.2017  28.9N 115.3W     WEAK
 12UTC 03.09.2017  29.8N 116.9W     WEAK     WEAKENING SLIGHTLY
 00UTC 04.09.2017  31.2N 118.4W     WEAK        LITTLE CHANGE
 12UTC 04.09.2017  31.9N 120.5W     WEAK        LITTLE CHANGE
 00UTC 05.09.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  66 HOURS
                   FORECAST POSITION AT T+ 66 : 23.3N  95.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 06.09.2017  23.4N  95.3W     WEAK    INTENSIFYING RAPIDLY
 12UTC 06.09.2017  23.4N  94.9W     WEAK        LITTLE CHANGE
 00UTC 07.09.2017  22.9N  94.0W     WEAK        LITTLE CHANGE
 12UTC 07.09.2017  23.0N  94.1W     WEAK        LITTLE CHANGE
 00UTC 08.09.2017  22.7N  94.4W     WEAK        LITTLE CHANGE
 12UTC 08.09.2017  21.9N  94.9W     WEAK        LITTLE CHANGE
 00UTC 09.09.2017  21.3N  95.4W   MODERATE  INTENSIFYING SLIGHTLY

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  72 HOURS
                   FORECAST POSITION AT T+ 72 : 13.1N  39.2W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 06.09.2017  13.1N  39.2W     WEAK
 12UTC 06.09.2017  14.0N  41.3W     WEAK        LITTLE CHANGE
 00UTC 07.09.2017  15.0N  44.7W     WEAK    INTENSIFYING SLIGHTLY
 12UTC 07.09.2017  16.1N  47.6W     WEAK        LITTLE CHANGE
 00UTC 08.09.2017  17.8N  50.2W   MODERATE      LITTLE CHANGE
 12UTC 08.09.2017  19.2N  52.6W   MODERATE      LITTLE CHANGE
 00UTC 09.09.2017  20.2N  54.1W   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 030408