000
FXUS62 KCAE 121735
AFDCAE
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
134 PM EDT SUN OCT 12 2008

.SYNOPSIS...
LOW PRESSURE OFFSHORE WILL WEAKEN TODAY. HIGH PRESSURE WILL BUILD
IN TONIGHT THROUGH THURSDAY BRINGING DRY WEATHER TO THE REGION.

&&

.NEAR TERM /THROUGH TONIGHT/...
SATELLITE LOOPS SHOWS PARTLY CLOUDY SKIES ACROSS THE NORTHERN
PORTION OF THE CWA AND MOSTLY CLOUDY SKIES TO THE SOUTH. INVERTED
SURFACE TROF CONTINUES ALONG THE SOUTHEAST COAST THIS AFTERNOON. 88D
REGIONAL LOOP SHOWS SHRA ALONG THE COAST ASSOCIATED WITH THIS
FEATURE. AS PCPN MOVES WWD...HAVING A DIFFICULT TIME AS AIRMASS A
LITTLE DRIER TO THE WEST. DEWPOINT TEMPS RANGING FROM THE MID 50S W
TO THE MID 60S E. MODELS IN GOOD AGREEMENT THAT INVERTED TROF WILL
WEAKEN THROUGH THE DAY AND HIGH PRESSURE ACROSS THE MID ATLANTIC
REGION WILL BUILD SWD INTO THE AREA. BEST CHANCE FOR A SPRINKLE OR
LIGHT SHOWER THROUGH THIS EVENING WILL BE ACROSS THE ERN/SRN PORTION
OF THE CWA WHERE DEWPOINT TEMPS REMAIN IN THE LOW/MID 60S. TIME
SECTIONS SHOW LOW/MID LEVEL MOISTURE WILL LINGER ACROSS THE AREA
THIS AFTERNOON INTO THE EARLY EVENING HOURS...THEN BEGIN TO DRY OUT
OVERNIGHT.

&&

.SHORT TERM /MONDAY THROUGH TUESDAY/...
HIGH PRESSURE WILL BUILD SOUTHWARD INTO THE CAROLINAS TONIGHT
THROUGH TUESDAY. EXPECT SUNSHINE FOR THE ONGOING SOUTH CAROLINA
STATE FAIR MONDAY AND TUESDAY. DRIER WEATHER TOO WITH HIGHS IN THE
LOWER TO MID 80S BY TUESDAY. OVERNIGHT LOWS IN THE 50S.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AGREE WITH GFS SOLUTION. UPPER HIGH OVER AREA TUESDAY NIGHT
THROUGH THURSDAY AND GETS PUSHED FARTHER TO THE SOUTH BY FRIDAY
AS A SHORT WAVE AND ASSOCIATED COLD FRONT MOVES IN WITH A SLIGHT
CHANCE OF SHOWERS ALSO ON FRIDAY. UPPER FLOW BECOMES ZONAL
SATURDAY WITH DRY WEATHER BEHIND THE COLD FRONT. HIGH TEMPERATURES
IN THE LOWER TO MID 80S WEDNESDAY THROUGH FRIDAY COOL TO THE 70S
SATURDAY.

&&

.AVIATION /18Z SUNDAY THROUGH FRIDAY/...
INVERTED TROF CONTINUES ALONG THE SOUTHEAST COAST THIS AFTERNOON.
STRONG HIGH PRESSURE OVER THE MID ATLANTIC REGION AND THIS FEATURE
HELPING TO PRODUCE A NICE PRESSURE GRADIENT. SATELLITE LOOP/OBS SHOW
BKN/OVC CLOUDS ACROSS MUCH OF THE AREA WITH MVFR CONDITIONS. TIME
SECTIONS SHOW PLENTY OF LOW/MID LEVEL MOISTURE TO REMAIN OVER THE
AREA THROUGH THE AFTERNOON...THEN BEGIN TO DRY OUT OVERNIGHT AS HIGH
PRESSURE BUILD SWD INTO THE REGION. EXPECT BKN/OVC SC TO CONTINUE AS
AS MVFR CONDITIONS THROUGH 20-21Z THIS AFTERNOON. CEILINGS MAY LIFT
ENOUGH BY LATE IN THE DAY TO REACH VFR CONDITIONS. OVERNIGHT...LOW
LEVEL JET ARND 30 KTS WILL HELP KEEP WINDS UP ACROSS THE AREA. WILL
FORECAST DECREASING CLOUDS OVERNIGHT...WINDS AROUND 7 KTS AND VFR
CONDITIONS THROUGH MORNING. WITH HIGH PRESSURE AND DRIER AIR
BUILDING SWD INTO THE REGION ON MON...EXPECT MOSTLY SUNNY SKIES AND
VFR CONDITIONS.

EXTENDED OUTLOOK...VFR CONDITIONS EXPECTED THROUGH THE PERIOD.

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
SC...LAKE WIND ADVISORY UNTIL NOON EDT TODAY FOR SCZ015-016-018-
     020>022-025>031-035>038-041.
GA...LAKE WIND ADVISORY UNTIL NOON EDT TODAY FOR GAZ040-063>065-077.

&&

$$