582 
WTNT80 EGRR 261611

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 26.09.2023

        TROPICAL STORM PHILIPPE   ANALYSED POSITION : 17.5N  49.7W

     ATCF IDENTIFIER : AL172023

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 26.09.2023  17.5N  49.7W     WEAK
 00UTC 27.09.2023  17.4N  52.0W     WEAK        LITTLE CHANGE
 12UTC 27.09.2023  17.9N  53.4W     WEAK        LITTLE CHANGE
 00UTC 28.09.2023  18.8N  55.1W     WEAK        LITTLE CHANGE
 12UTC 28.09.2023  19.2N  56.9W     WEAK        LITTLE CHANGE
 00UTC 29.09.2023  19.5N  58.2W     WEAK        LITTLE CHANGE
 12UTC 29.09.2023  19.5N  59.8W     WEAK        LITTLE CHANGE
 00UTC 30.09.2023  19.5N  61.9W     WEAK        LITTLE CHANGE
 12UTC 30.09.2023  19.3N  63.8W     WEAK        LITTLE CHANGE
 00UTC 01.10.2023  19.8N  65.6W     WEAK        LITTLE CHANGE
 12UTC 01.10.2023  20.0N  68.2W     WEAK        LITTLE CHANGE
 00UTC 02.10.2023        BELOW TROPICAL STORM STRENGTH

   TROPICAL DEPRESSION 91L        ANALYSED POSITION : 10.8N  37.3W

     ATCF IDENTIFIER : AL912023

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 26.09.2023  10.8N  37.3W     WEAK
 00UTC 27.09.2023        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  54 HOURS
                   FORECAST POSITION AT T+ 54 : 16.8N  46.4W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 29.09.2023  17.6N  46.8W     WEAK    INTENSIFYING RAPIDLY
 12UTC 29.09.2023  17.5N  48.1W     WEAK        LITTLE CHANGE
 00UTC 30.09.2023  17.6N  49.2W     WEAK        LITTLE CHANGE
 12UTC 30.09.2023  17.5N  50.9W     WEAK        LITTLE CHANGE
 00UTC 01.10.2023  17.7N  52.3W     WEAK        LITTLE CHANGE
 12UTC 01.10.2023  18.2N  54.2W     WEAK        LITTLE CHANGE
 00UTC 02.10.2023  18.7N  56.1W     WEAK        LITTLE CHANGE
 12UTC 02.10.2023  18.9N  57.7W     WEAK        LITTLE CHANGE
 00UTC 03.10.2023  19.5N  59.3W     WEAK        LITTLE CHANGE
 12UTC 03.10.2023  20.1N  60.7W     WEAK        LITTLE CHANGE

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  84 HOURS
                   FORECAST POSITION AT T+ 84 : 35.0N  75.3W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 30.09.2023  35.0N  75.3W     WEAK
 12UTC 30.09.2023  35.3N  74.3W     WEAK        LITTLE CHANGE
 00UTC 01.10.2023  34.5N  73.1W     WEAK        LITTLE CHANGE
 12UTC 01.10.2023        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 150 HOURS
                   FORECAST POSITION AT T+150 : 33.9N  72.6W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 03.10.2023  34.2N  72.9W     WEAK    INTENSIFYING RAPIDLY
 12UTC 03.10.2023  35.0N  73.6W     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 261611