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Area Forecast Discussion

668
FXUS62 KFFC 261133 AAA
AFDFFC

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
635 AM EST WED NOV 26 2014


.SHORT TERM /TODAY THROUGH THURSDAY/...
UPPER TROUGH AXIS SLOWLY WORKING ITS WAY EAST ACROSS THE REGION
EARLY TODAY WITH THE MAIN SHORT WAVE SWEEPING RAPIDLY ACROSS INTO
THE MID-ATLANTIC COASTAL REGION THIS MORNING TAKING PRECIPITATION
OUT OF THE AREA BY MIDDAY OR EARLY AFTERNOON. SECONDARY SHORT WAVE
DIVING SOUTHEAST IN THE NORTHWESTERLY UPPER FLOW MOVES ACROSS THE
TENNESSEE VALLEY INTO THE SOUTHERN APPALACHIANS THIS EVENING. NOT A
WHOLE LOT OF MOISTURE TO WORK WITH BUT A FAIRLY STRONG SHORT WAVE SO
IT SHOULD BE ABLE TO SQUEEZE OUT AT LEAST SCATTERED SHOWERS ACROSS
FAR NORTH GEORGIA OVERNIGHT. TEMPERATURES COOL ENOUGH BY MID/LATE
EVENING FOR A WINTRY MIXTURE OF RAIN AND SNOW ACROSS OUR FAR
NORTHERN COUNTIES. COULD SEE IT BECOME ALL SNOW IN THE HIGHEST
ELEVATIONS BY SUNRISE. PRECIPITATION WILL TAPER OFF QUICKLY THURSDAY
MORNING. SURFACE TEMPERATURES ARE FORECAST TO HOVER AROUND THE
FREEZING MARK FOR A WHILE EARLY THURSDAY MORNING IN THAT AREA SO
SOME LIGHT ACCUMULATIONS ARE POSSIBLE...ESPECIALLY AT HIGHER
ELEVATIONS...BUT AMOUNTS ARE EXPECTED TO BE FAIRLY LIGHT WITH GROUND
TEMPERATURES STILL RELATIVELY MILD.


20


.LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/...
DRY NORTHWEST FLOW AT THE BEGINNING OF THE PERIOD BECOMES MORE
ZONAL BY THE WEEKEND...THEN SOME RIDGING ALOFT INDICATED BY
TUESDAY. AS STRONG HIGH PRESSURE MOVES ACROSS THE GREAT LAKES TO
NEW ENGLAND...A SURFACE FRONT SINKS THROUGH THE TN VALLEY INTO
NORTH GA LATE IN THE WEEKEND INTO THE FIRST OF THE WEEK. SOME
DYNAMICS AND MOISTURE SHOWN WITH THIS FRONT ENTERING NORTH GA WITH
THE ECMWF THE STRONGEST. HAVE INCLUDED SLIGHT CHANCES OF SHOWERS
FOR THE FAR NORTH FROM SUNDAY NIGHT INTO TUESDAY. WEDGE FORMING ON
THE LAST DAY OF THE PERIOD WHICH ALSO MAY SUPPORT SOME LIGHT RAIN
AND CLOUDS. OTHERWISE...MODERATING TEMPERATURES THROUGH THE
PERIOD.

41


&&

AVIATION...
12Z UPDATE...

VFR CONDITIONS ARE EXPECTED TO DOMINATE THE MAJORITY OF THE REGION
THROUGH THIS FORECAST PERIOD. SCATTERED MVFR CONDITIONS WITH LOCAL
IFR CONDITIONS ARE EXPECTED OVER EASTERN PORTIONS OF THE AREA
THROUGH 14Z...BUT THE ONLY TAF SITE WHERE ANY THREAT OF MVFR OR
LOWER CONDITIONS ARE EXPECTED IS KAHN. ALL AREAS EXPECTED TO BE VFR
AFTER 18Z...ALTHOUGH SCATTERED MVFR OR LOWER CEILINGS ARE POSSIBLE
ACROSS FAR NORTH GEORGIA...NORTH OF ALL OF THE TAF SITES...AFTER
00Z. LARGE AREA OF LIGHT RAIN ACROSS EASTERN 1/4 OF THE AREA WILL
CONTINUE TO SHIFT EAST...QUICKLY MOVING EAST AND NORTHEAST OF THE
AREA BY 16-18Z. THERE IS A SLIGHT CHANCE FOR SOME LIGHT RAIN SHOWERS
AND SNOW SHOWERS ACROSS THE NORTH GEORGIA MOUNTAINS AFTER 00Z. WINDS
WILL BE SOUTHWEST TO NORTHWEST 4-10KT THROUGH THE PERIOD.

//ATL CONFIDENCE...12Z UPDATE...

MEDIUM TO HIGH ALL ELEMENTS.

20

&&

.PRELIMINARY POINT TEMPS/POPS...
ATHENS          53  35  51  30 /  70   5   5   0
ATLANTA         53  35  48  31 /  40   5   5   0
BLAIRSVILLE     50  32  44  25 /  60  20  20   5
CARTERSVILLE    53  34  48  28 /  30  10   5   0
COLUMBUS        58  37  54  32 /  20   5   5   0
GAINESVILLE     51  35  48  30 /  60  10   5   0
MACON           59  36  55  31 /  60   5   5   0
ROME            53  34  49  28 /  20  10   5   0
PEACHTREE CITY  54  35  50  29 /  30   5   5   0
VIDALIA         58  40  58  34 /  70   5   0   0

&&

.FFC WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

SHORT TERM...20
LONG TERM....41
AVIATION...20



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