Area Forecast Discussion
Issued by NWS Columbia, SC

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FXUS62 KCAE 151725
AFDCAE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
125 PM EDT MON SEP 15 2014

.SYNOPSIS...
A FRONTAL SYSTEM WILL REMAIN SOUTH OF THE FORECAST AREA TODAY WITH
ANOTHER WEAK FRONT CROSSING THE AREA TONIGHT. THIS WILL KEEP
CONSIDERABLE CLOUDINESS WITH A CHANCE OF SHOWERS AND POSSIBLY
THUNDERSTORMS IN THE FORECAST THROUGH WEDNESDAY. HIGH PRESSURE
WILL BRING COOLER AND DRIER AIR TO THE REGION FOR WEDNESDAY NIGHT
INTO THE WEEKEND.

&&

.NEAR TERM /THROUGH TONIGHT/...
 WEDGE OF SHALLOW COOL AIR WILL REMAIN OVER THE AREA FOR MUCH OF
THE DAY RESULTING IN LOW CLOUDS...FOG AND DRIZZLE AT TIMES. THERE WILL
EVEN BE SOME WIDELY SCATTERED SHOWERS. CONDITIONS NOT EXPECTED TO
IMPROVE MUCH THROUGH THIS AFTERNOON. TEMPERATURES ARE RISING VERY
SLOWLY AND DONT EXPECT ANY BREAKS IN THE CLOUDS THIS AFTERNOON.
HIGHS WILL RISE ONLY INTO THE UPPER 70S.

WEDGE WILL STRUGGLE TO LIFT OUT OF THE AREA OVERNIGHT. ANY BREAKS
IN THE CLOUDS ALLOWING RADIATIONAL COOLING WILL LIKELY FILL IN
QUICKLY AND EXPECT PATCHY FOG AFTER MIDNIGHT WITH ABUNDANT LOW
LEVEL MOISTURE. A CHANCE OF SHOWERS WILL CONTINUE THROUGH THE
EVENING AFTER WHICH TIME POPS WILL DECREASE AS THE FLOW TURNS WESTERLY.


&&

.SHORT TERM /TUESDAY THROUGH WEDNESDAY/...
A FRONT WILL CROSS THE AREA TUESDAY AND HIGH PRESSURE WILL BUILD
IN NORTH OF THE AREA AND BEGIN USHERING DRIER AIR INTO THE REGION.
EARLY MORNING FOG SHOULD DISSIPATE QUICKLY. BY WEDNESDAY THE HIGH
WILL ENCOMPASS MUCH OF THE EASTERN US...HOWEVER WITH THE REMAINS
OF THE FRONT PERSISTING SOUTH OF THE FORECAST AREA AND SOME BREAKS
ALLOWING FOR HEATING LOW CHANCES OF SHOWERS AND THUNDERSTORMS WILL
REMAIN IN THE FORECAST. HIGH TEMPERATURES WILL BE IN THE MIDDLE TO
UPPER 80S TUESDAY WITH UPPER 70S TO MIDDLE 80S WEDNESDAY AS THE
HIGH PUSHES COOLER AIR INTO THE AREA...WITH OVERNIGHT LOWS IN THE
MIDDLE 60S TO AROUND 70.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...
MODELS ARE IN GOOD AGREEMENT THROUGH THE LONG TERM WITH AN ACTIVE
PATTERN CONTINUING ACROSS THE EASTERN US. HIGH PRESSURE WILL
CONTINUE TRACKING EASTWARD THURSDAY AND FRIDAY AND AS THE HIGH
REACHES THE NEW ENGLAND STATES ON FRIDAY A WEDGE WILL DEVELOP
ACROSS THE FORECAST AREA. MODELS SHOW THE WEDGE INTENSIFYING
THROUGH SATURDAY...THEN BEGINNING TO LIFT OUT SUNDAY AS THE NEXT
COLD FRONT MOVES THROUGH THE CENTRAL US AND TOWARD THE FORECAST
AREA. AS SUCH HAVE LOWERED POPS THROUGH THE LONG TERM.
TEMPERATURES THROUGH THE LONG TERM WILL BE BELOW NORMAL.

&&

.AVIATION /17Z MONDAY THROUGH FRIDAY/...
MAINLY MVFR/IFR RESTRICTIONS THROUGH 14Z TUESDAY THEN VFR.

WEDGE IS HANGING IN AND EXPECTED TO CONTINUE THROUGH THE AFTERNOON.
IFR TO MVFR CIGS WILL CONTINUE INTO TONIGHT. ANY CLEARING IN THE
SKIES TONIGHT SHOULD QUICKLY FILL IN AGAIN AS RADIATIONAL COOLING
INTERACTS WITH THE ABUNDANT LOW LEVEL MOISTURE. EXPECT FOG TO FORM
AFTER 06Z AT AGS AND OGB AND AFTER 09-10Z CAE...CUB AND DNL. CIGS
WILL ALSO LOWER AGAIN. DRIER AIR SHOULD FILTER IN ON TUESDAY AND
VFR CONDITIONS SHOULD RETURN AFTER 13-14Z.

EXTENDED AVIATION OUTLOOK...RESTRICTIONS POSSIBLE MAINLY DURING
THE LATE NIGHT AND EARLY MORNING IN STRATUS AND OR LIGHT FOG.

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
SC...NONE.
GA...NONE.
&&

$$





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