AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
315 AM EST WED DEC 3 2003
.PUBLIC...A LARGE RANGE OF TEMPS ACROSS THE CWA EARLY THIS
MORNING...RANGING FROM NEAR FREEZING WELL INLAND TO THE LOWER 50S
ALONG PARTS OF THE IMMEDIATE COAST WITH NE WIND. STRATOCUMULUS FIELD
OVER THE ATLC IS STILL TO THE S AND E...WHILE ALTOCUMULUS AND CIRRUS
STEADILY WORKING THEIR WAY IN FROM THE W.
HIGH PRES OVER OH THIS MORNING SHIFTS INTO PA THIS AFTERNOON...WITH
WEDGE SETTING UP OVER THE CWA LATER TODAY INTO TONIGHT...AS COASTAL
TROUGH BECOMES BETTER DEFINED OVER THE NEARBY ATLC WATERS. MOISTURE
STEADILY MAKES ITS RETURN FROM THE S TODAY INTO TONIGHT...FIRST AS
MID AND HIGH LEVEL MOISTURE...THEN INCREASING LOW LEVEL MOISTURE.
COMBINATION OF INCREASING LOW LEVEL CONVERGENCE AND RATHER
IMPRESSIVE ISENTROPIC LIFT DEVELOPING POINTS TO WET WEATHER LATER
TONIGHT AND THU INTO THU NIGHT. WILL RAISE POPS DURING THIS TIME
FROM PREVIOUS FCST...GOING AT LEAST AS HIGH AS LIKELY CATEGORY THU
AND EARLY THU NIGHT. WITH MODERATE TO STRONG WEDGE IS
PLACE...COASTAL TROUGH WILL HAVE A DIFFICULT TIME IMPACTING EVEN THE
IMMEDIATE COAST AND WILL LOWER TEMPS FROM CURRENT FCST. WILL NEED TO
KEEP A CLOSE WATCH ON INTERIOR TEMPS LATE TONIGHT AND THU...BUT AT
THE PRESENT TIME TEMPS EXPECTED TO REMAIN WARM ENOUGH FOR ONLY
LIQUID PRECIP.
WEDGE BREAKS DOWN FRI AS LOW FORMS OVER THE MID ATLC REGION. DRIER
AIR MOVES ACROSS IN THE WAKE OF SYSTEM...AND PLAN ON NO HIGHER THAN
SLGT CHC POPS FOR FRI WITH WARMER TEMPS. MIGHT BE ENOUGH WRAP AROUND
MOISTURE SAT INTO SAT NIGHT FOR ADDITIONAL PRECIP. 850 TEMPS ARE
COLD ENOUGH FOR SOMETHING OTHER THAN SHOWERS...BUT PREFER TO WAIT ON
LATER MODEL RUNS BEFORE MAKING ANY DRASTIC CHANGES.
CHS AFD quite interesting ...
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CHS AFD quite interesting ...
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