000
WTNT80 EGRR 271610

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 27.09.2017

             HURRICANE LEE        ANALYSED POSITION : 30.5N  56.5W

     ATCF IDENTIFIER : AL142017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 27.09.2017  30.5N  56.5W   INTENSE
 00UTC 28.09.2017  31.4N  57.4W   INTENSE       LITTLE CHANGE
 12UTC 28.09.2017  32.9N  57.7W   INTENSE       LITTLE CHANGE
 00UTC 29.09.2017  35.3N  56.3W    STRONG    WEAKENING SLIGHTLY
 12UTC 29.09.2017  38.5N  52.7W    STRONG    WEAKENING SLIGHTLY
 00UTC 30.09.2017  41.9N  46.0W   MODERATE   WEAKENING SLIGHTLY
 12UTC 30.09.2017  45.5N  36.4W   MODERATE   WEAKENING SLIGHTLY
 00UTC 01.10.2017        BELOW TROPICAL STORM STRENGTH

        TROPICAL STORM MARIA      ANALYSED POSITION : 35.3N  72.7W

     ATCF IDENTIFIER : AL152017

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 27.09.2017  35.3N  72.7W    STRONG
 00UTC 28.09.2017  36.3N  72.4W    STRONG       LITTLE CHANGE
 12UTC 28.09.2017  36.3N  70.7W    STRONG       LITTLE CHANGE
 00UTC 29.09.2017  35.8N  67.8W    STRONG       LITTLE CHANGE
 12UTC 29.09.2017  36.1N  64.2W    STRONG       LITTLE CHANGE
 00UTC 30.09.2017  37.7N  59.3W    STRONG       LITTLE CHANGE
 12UTC 30.09.2017  41.1N  52.5W    STRONG       LITTLE CHANGE
 00UTC 01.10.2017  45.3N  42.9W   MODERATE    WEAKENING RAPIDLY
 12UTC 01.10.2017  49.6N  29.8W   MODERATE    WEAKENING RAPIDLY
 00UTC 02.10.2017  51.5N  15.0W     WEAK     WEAKENING SLIGHTLY
 12UTC 02.10.2017        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  30 HOURS
                   FORECAST POSITION AT T+ 30 : 10.3N 136.9W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 29.09.2017  10.6N 136.7W     WEAK        LITTLE CHANGE
 12UTC 29.09.2017  11.2N 136.1W     WEAK        LITTLE CHANGE
 00UTC 30.09.2017  11.2N 135.6W     WEAK        LITTLE CHANGE
 12UTC 30.09.2017  11.1N 135.2W     WEAK        LITTLE CHANGE
 00UTC 01.10.2017  10.7N 135.4W     WEAK        LITTLE CHANGE
 12UTC 01.10.2017  10.6N 135.7W     WEAK        LITTLE CHANGE
 00UTC 02.10.2017  11.0N 135.4W     WEAK        LITTLE CHANGE
 12UTC 02.10.2017  11.5N 134.7W     WEAK        LITTLE CHANGE
 00UTC 03.10.2017  12.2N 133.4W     WEAK        LITTLE CHANGE
 12UTC 03.10.2017  12.5N 131.7W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  60 HOURS
                   FORECAST POSITION AT T+ 60 : 12.2N 113.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 30.09.2017  12.2N 113.3W     WEAK
 12UTC 30.09.2017  12.2N 112.5W     WEAK        LITTLE CHANGE
 00UTC 01.10.2017  12.9N 111.1W     WEAK        LITTLE CHANGE
 12UTC 01.10.2017  14.3N 109.2W     WEAK        LITTLE CHANGE
 00UTC 02.10.2017  14.7N 106.1W     WEAK        LITTLE CHANGE
 12UTC 02.10.2017        BELOW TROPICAL STORM STRENGTH


 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 271610