FXUS62 KCAE 260546
AFDCAE
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
1246 AM EST SAT DEC 26 2009
.SYNOPSIS...
LOW PRESSURE OVER EASTERN SC THIS AFTERNOON WILL MOVE ON EAST
TAKING ITS COLD FRONT OFF THE COAST DURING THE EVENING. HIGH
PRESSURE WILL BUILD IN FROM THE WEST TONIGHT THROUGH THE BEGINNING
OF NEXT WEEK.
&&
.NEAR TERM /UNTIL 6 AM THIS MORNING/...
WEAK LOW PRESSURE ALONG THE COLD FRONT IS CURRENTLY MOVING ACROSS
EASTERN SC. ALL RAIN HAS MOVED EAST OF THE AREA AND SKIES ARE BEGINNING
TO CLEAR ACROSS THE CSRA. DRY FORECAST FOR TONIGHT WITH CLOUDS
DECREASING CLOUDS. WINDS DIMINISHING WITH DRIER FILTER IN. MAY SEE
LATE NIGHT FOG/STRATUS...ESPECIALLY NORTH MIDLANDS.
AREAL FLOODING ON THE WANE THIS AFTERNOON AND RIVER FLOODING IS
EXPECTED AT SEVERAL FORECAST POINTS ACROSS THE MIDLANDS.
&&
.SHORT TERM /6 AM THIS MORNING THROUGH 6 PM SUNDAY/...
BROAD UPPER LOW OVER THE MID MISSISSIPPI RIVER VALLEY WILL ROTATE
INTO THE GREAT LAKES REGION THROUGH SUNDAY. MAY SEE AN INCREASE IN
HIGH LEVEL CLOUDS SUNDAY AS A WEAK DISTURBANCE CROSSES THE REGION.
DRY WEATHER FOR THE WEEKEND. HIGHS IN THE 50S AND LOWS IN THE
30S.
&&
.LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/...
BROAD UPPER LOW LIFTS OUT SUNDAY NIGHT AND MONDAY. SLIGHT UPPER
LEVEL RIDGING TUESDAY MOVES OFF THE COAST BY WEDNESDAY. SEVERAL
WEAK DISTURBANCE CROSS THE REGION IN SOUTHWEST FLOW ALOFT
WEDNESDAY THROUGH THURSDAY. UNSETTLED WEATHER EXPECTED FOR THE END
OF NEXT WEEK. MODEL SOLUTIONS CONTINUE TO DIVERGE.
JUST A SLIGHT CHANCE OF PRECIPITATION BUT AIR MASS MAY BE COLD
ENOUGH BY EARLY NEW YEARS EVE TO HAVE A SLIGHT CHANCE OF RAIN
MIXED WITH A LITTLE SNOW NORTHERN LOCATIONS. WE WILL BE WATCHING
THIS SYSTEM FOR THE NEXT SEVERAL RUNS. ANYWAY...COLD DURING THE
PERIOD WITH HIGHS UPPER 40S TO LOWER 50S. LOW TEMPERATURES IN THE
20S AND 30S.
&&
.AVIATION /06Z SATURDAY THROUGH WEDNESDAY/...
SATELLITE LOOP STILL SHOWS CLOUDINESS ACRS THE CWA TONIGHT. OBS
INDICATE THAT SOME LOW CLOUDS HAVE DEVELOPED ACRS PORTIONS OF THE
MIDLANDS/CSRA. BOTH CAE/CUB INDICATING IFR CONDITIONS DUE TO
CIGS...MVFR CONDITIONS AT AGS/DNL DUE TO CIGS. MODEL TIME
SECTIONS/GUIDANCE INDICATE THAT LOW CLOUDS MAY LINGER FOR MUCH OF
THE NIGHT AT BOTH CAE/CUB...WILL CONTINUE WITH IFR CONDITIONS
THROUGH 12Z. SFC WINDS HAVE BEEN A LITTLE STRONGER AT AGS/DNL AND
EXPECT CONDITIONS THERE TO BECOME VFR OVERNIGHT. FOR SAT...LOW LEVEL
MOISTURE WILL CONTINUE TO DRY OUT AS WINDS BECOME MORE NW. EXCEPT
FOR SOME HIGH LEVEL CLOUDINESS AT TIMES THROUGH THE DAY...VFR
CONDITIONS WILL PERSIST THROUGH THE DAY.
EXTENDED AVIATION OUTLOOK...NO SIGNIFICANT IMPACTS TO AVIATION
EXPECTED SATURDAY THROUGH TUESDAY. MVFR CONDITIONS POSSIBLE ON
WEDNESDAY AS NEXT WEATHER SYSTEM APPROACHES FROM THE WEST.
&&
.CAE WATCHES/WARNINGS/ADVISORIES...
SC...NONE.
GA...NONE.
&&
$$
