259 
WTNT80 EGRR 141612

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 14.12.2023

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  60 HOURS
                   FORECAST POSITION AT T+ 60 : 25.4N  86.0W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 17.12.2023  25.4N  86.0W     WEAK
 12UTC 17.12.2023  29.8N  81.4W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 18.12.2023  33.3N  79.7W   MODERATE  INTENSIFYING RAPIDLY
 12UTC 18.12.2023  36.3N  77.1W   MODERATE      LITTLE CHANGE
 00UTC 19.12.2023  44.8N  74.3W    STRONG       LITTLE CHANGE
 12UTC 19.12.2023  51.9N  68.4W   MODERATE    WEAKENING RAPIDLY
 00UTC 20.12.2023        BELOW TROPICAL STORM STRENGTH

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER 126 HOURS
                   FORECAST POSITION AT T+126 : 37.5N  72.0W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 00UTC 20.12.2023  39.7N  71.0W   MODERATE      LITTLE CHANGE
 12UTC 20.12.2023  41.7N  71.5W     WEAK        LITTLE CHANGE
 00UTC 21.12.2023  40.8N  70.7W     WEAK     WEAKENING SLIGHTLY
 12UTC 21.12.2023        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 141612