Skip Navigation Links weather.gov 
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
The Weather Prediction Center
 
Tropical Discussion
 
(Caution: Version displayed is not the latest version. - Issued 1136Z Dec 17, 2014)
 
Version Selection
Versions back from latest:  0   1   2   3   4   5   6   7   8   9   10   
 
Abbreviations and acronyms used in this product


TROPICAL DISCUSSION - INTERNATIONAL DESKS
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
636 AM EST WED DEC 17 2014

PRELIMINARY DISCUSSION FOR PUERTO RICO AND THE USVI. BUILDING MID
LEVEL RIDGE IS TO RAPIDLY STRENGTHEN ITS FOOTHOLD ACROSS THE
CENTRAL/EASTERN CARIBBEAN. THIS IS TO THEN BECOME DOMINANT
SYNOPTIC SCALE FEATURE THROUGH THE MEDIUM RANGE PERIOD. AS IT
BUILDS...RIDGE IS TO STRENGTHEN TRADE WINDS CAP...LEADING TO RAPID
EROSION OF AVAILABLE WATER THROUGH THURSDAY MORNING. A PWAT MINIMA
IS TO THEN PERSIST THROUGH THE WEEKEND. AT LOW LEVELS...A RIDGE IS
TO DOMINATE THE FLOW...WITH ASSOCIATED HIGH TO INITIALLY CENTER
OVER THE GULF OF MEXICO. THROUGH SATURDAY MORNING THIS IS TO
RELOCATE BETWEEN BERMUDA-PUERTO RICO. AS IT ROLLS FROM THE
WEST...INITIALLY EXPECTING FRESH NORTHEASTERLY WINDS TO DOMINATE
LOW LEVEL FLOW. BUT AS THE RIDGE/HIGH SETTLES TO THE NORTH...WINDS
ARE TO GRADUALLY VEER TO THE EAST LATER ON THURSDAY. EXCEPT FOR
THE OCCASIONAL TRADE WIND SHOWER...GLOBAL AND HIGH RESOLUTION
REGIONAL MODELS GENERALLY FAVOR FAIR WEATHER CONDITIONS TO PREVAIL
OVER THE NEXT FEW DAYS.

JN BAPTISTE...MS (SAINT LUCIA)
NANDA...MDS (SURINAME)
DAVISON...WPC (USA)