439 
WTNT80 EGRR 171601

 MET OFFICE TROPICAL CYCLONE GUIDANCE FOR NORTH-EAST PACIFIC

 AND ATLANTIC

             GLOBAL MODEL DATA TIME 12UTC 17.12.2021

             NEW TROPICAL STORM FORECAST TO DEVELOP AFTER  90 HOURS
                   FORECAST POSITION AT T+ 90 : 27.0N  85.7W

  VERIFYING TIME     POSITION     STRENGTH        TENDENCY
  --------------     --------     --------        --------
 12UTC 21.12.2021  27.9N  83.5W     WEAK    INTENSIFYING SLIGHTLY
 00UTC 22.12.2021  31.1N  78.3W   MODERATE  INTENSIFYING SLIGHTLY
 12UTC 22.12.2021  33.1N  72.4W   MODERATE  INTENSIFYING SLIGHTLY
 00UTC 23.12.2021        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 171601