000
FXUS62 KCAE 032347
AFDCAE
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
637 PM EST WED DEC 3 2008
.SYNOPSIS...
A WEAK FRONT WILL SLOWLY MOVE THROUGH THE REGION THURSDAY NIGHT
THROUGH FRIDAY NIGHT. A DRY COLD FRONT WILL COME THROUGH LATE
SATURDAY. FAIR WEATHER EXPECTED SUNDAY AND MONDAY AS HIGH PRESSURE
BUILDS IN.
&&
.NEAR TERM /THROUGH TONIGHT/...
HIGH PRESSURE CENTERED JUST TO OUR EAST...WILL CONTINUE TO GRADUALLY
WEAKEN AND SHIFT EAST TONIGHT. MOSTLY CLEAR SKIES AND LIGHT WINDS
WILL LEAD TO COOL TEMPS AGAIN...THOUGH SOME COOLING MAY BE OFFSET BY
SOME INCREASING HIGH LEVEL CLOUDINESS LATE. LEANED TOWARDS COOLER
MAV MOS NUMBERS FOR MINS TONIGHT.
&&
.SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/...
A FRONT WILL SLOWLY MOVE THROUGH THURSDAY NIGHT AND STALL JUST SOUTH
OF OUR AREA FRIDAY. ATMOSPHERIC MOISTURE LOOKS LIMITED...BUT SOME
WEAK UPPER IMPULSES COULD LEAD TO SOME LIGHT PRECIPITATION.
LATEST MOS POPS TRENDING UP A LITTLE. LEANED TOWARDS COOLER MAV
MOS MAX TEMP NUMBERS FRIDAY GIVEN SOME COOL AIR ADVECTION...AND
APPEARANCE OF CLOUDINESS. THE FRONT WILL SLOWLY SHIFT EAST FRIDAY
NIGHT.
&&
.LONG TERM /SATURDAY THROUGH WEDNESDAY/...
UPPER TROUGH WILL DEEPEN OVER THE EASTERN CONUS SATURDAY. A CLIPPER
SYSTEM WILL SWING SE ACROSS THE N/NE TIER OF THE US SAT/SUN. ANY
MOISTURE/DYNAMICS WILL REMAIN WELL TO OUR NORTH SAT. THE DRY FRONT
APPEARS WILL MOVE THROUGH OUR REGION SATURDAY NIGHT...WITH GOOD
COLD AIR ADVECTION CONTINUING THROUGH SUNDAY. HIGH PRESSURE TO
BUILD INTO THE REGION SUNDAY AND MONDAY...THEN RETREAT TO THE EAST
AHEAD OF THE NEXT SYSTEM THAT APPEARS WILL PROVIDE PRECIPITATION LATE
IN THE FORECAST PERIOD.
&&
.AVIATION /00Z THURSDAY THROUGH MONDAY/...
HIGH PRESSURE WILL MOVE OFF THE COAST TONIGHT. VFR CONDITIONS THIS
EVENING. OVERNIGHT...THE ONLY TROUBLE SPOTS MAY BE KAGS AND KOGB DUE
TO THE PROXIMITY TO WATER SOURCES. KOGB MAY BE ABLE TO FALL TO MVFR
VISIBILITIES AFTER MIDNIGHT. KAGS MAY BE MORE PROBLEMATIC. AREAS OF
RIVER FOG DEVELOPED LAST NIGHT ALONG THE SAVANNAH RIVER...AND ON
AREA LAKES. WITH SKIES REMAINING CLEAR MOST OF TONIGHT...NEAR CALM
WINDS...AND A LITTLE MORE LOW LEVEL MOISTURE...COULD VERY WELL
SEE A REPEAT OF LIFR VISIBILITIES. MODELS INDICATE THE POSSIBILITY
OF FOG REFORMATION TONIGHT ALONG THE RIVER...AND PERSISTENCE
FORECAST MAY BE BEST WAY TO GO. WILL INDICATED MVFR VISIBILITIES
...AND A SCT001 CLOUD GROUP AT KAGS TO SHOW A TREND TOWARDS THAT
SOLUTION. AFTER 14Z...VFR CONDITIONS EXPECTED AT ALL SITES. SHOULD
SEE HIGH LEVEL CLOUDS SPREADING OVER THE TAF SITES WITH SOUTHWEST
WINDS INCREASING TO AROUND 8 KNOTS.
EXTENDED AVIATION OUTLOOK...MVFR CEILINGS ARE POSSIBLE THURSDAY
NIGHT INTO EARLY SATURDAY AS A COLD FRONT MOVES THROUGH...FOLLOWED
BY INCREASING LOW LEVEL MOISTURE.
&&
.CAE WATCHES/WARNINGS/ADVISORIES...
SC...NONE.
GA...NONE.
&&
$$
AVIATION...10
