Area Forecast Discussion
Issued by NWS Atlanta, GA

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FXUS62 KFFC 020151
AFDFFC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
951 PM EDT TUE SEP 1 2015

.UPDATE...
AS WEAK RIDGE BEGINS TO LOSE INFLUENCE AND A WEAK GULF LOW WITH
ENHANCED MOISTURE CREEPS NORTHWARD FROM NORTH FL...THERE SHOULD
BE SOME INCREASED CLOUD COVERAGE ADVECTING INTO PORTIONS OF
CENTRAL GEORGIA. ANY PRECIP CHANCES HAVE DIMINISHED WITH LOSS OF
DAYTIME HEATING FOR THE OVERNIGHT AND MINOR ADJUSTMENTS WERE MADE
TO TEMP/DWPT TRENDS. SOME PROGGED DWPT DEPRESSIONS IN CONJUNCTION
WITH CALM WINDS SUGGEST POSSIBLE PATCHY FOG SLIGHTLY BEFORE
SUNRISE SO HAVE INCLUDED IN WEATHER ELEMENTS. PREVIOUS DISCUSSION
FOLLOWS...

BAKER

&&

.PREV DISCUSSION... /ISSUED 814 PM EDT TUE SEP 1 2015/

.SHORT TERM /TONIGHT THROUGH WEDNESDAY NIGHT/...
CURRENT RADAR LOOP SHOWS SOME SHOWERS AND THUNDERSTORMS ACROSS SOUTH
GA AND FLORIDA AS A LOW PRESSURE SYSTEM SPINS JUST OFF THE GULF
COAST OF FL. WE CURRENTLY DO NOT HAVE ANY PRECIP IN OUR CWA BUT
MOISTURE IS INCREASING SO WILL BE INCREASING POPS ESPECIALLY
ACROSS CENTRAL GA WEDNESDAY. MAIN UPPER LEVEL RIDGE IS CENTERED
JUST OFF THE ATLANTIC COAST OF FL AND IS STILL HELPING TO KEEP
PRECIP TO A MINIMUM AT LEAST IN THE SHORT TERM. THERE IS STILL A
DECENT AMOUNT OF LOW LEVEL MOISTURE IN PLACE BUT OVERALL
INSTABILITY LOOKS TO BE LACKING. THE WEAK SURFACE HIGH PRESSURE
HAS ALSO BUILD INTO THE AREA AND IS KIND OF SETTING UP LIKE A WEAK
WEDGE. LIGHT EASTERLY FLOW AND MOSTLY CLOUDY SKIES ALL DAY ACROSS
THE STATE ARE CLASSIC SIGNS OF A WEDGE. HIGH TEMPS EXPECTED TO BE
RIGHT AT OR SLIGHTLY ABOVE SEASONAL NORMS WEDNESDAY WITH LOWS IN
THE 60S AND 70S.

01

&&

.LONG TERM /THURSDAY THROUGH TUESDAY/...
ONLY A SLIGHT CHANCE POPS FOR TSTMS ON THU AFTERNOON WITH NO REAL
FOCUS FOR CONVECTIVE DEVELOPMENT IN THE CWA. A BIT MORE COVERAGE
IS POSSIBLE ON FRIDAY WITH MORE INFLUENCE FROM AN UPPER LEVEL
DISTURBANCE TO OUR WEST...ESPECIALLY ACCORDING TO THE ECMWF.
TEMPERATURES BOTH THURSDAY AND FRIDAY WILL BE WARM WITH AFTERNOON
HIGH TEMPS IN THE UPPER 80S TO LOWER 90S ACROSS THE FORECAST AREA.

THE BIGGEST CHANGE IN THE WEATHER PATTERN FOR THE LONG TERM WILL

BE THE WEDGE THAT WILL PUSH DOWN THE APPALACHIANS INTO OUR AREA
FOR THE WEEKEND. SATURDAY LOOKS TO BE THE WETTEST DAY AS THE
BACKDOOR FRONT MOVES IN WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS WHICH LINGER INTO SUNDAY. TEMPS WILL BE HELD
DOWN...RANGING FROM THE UPPER 70S INTO THE MID 80S FOR HIGHS WITH
ABUNDANT CLOUD COVER AND MORE PRECIP COVERAGE. THIS PATTERN SHOULD
BEGIN TO BREAK DOWN BY EARLY NEXT WEEK AS THE SURFACE HIGH
PRESSURE IN THE NORTHEAST SHIFTS FURTHER EAST INTO THE ATLANTIC.

16

&&

.AVIATION...
00Z UPDATE...
VFR CONDITIONS EXPECTED THRU PERIOD. MOSTLY CLEAR AND CALM TO
LIGHT AND VRB CONDITIONS OVERNIGHT. A BIT GREATER MOISTURE
ADVECTING IN FROM THE SOUTH WEDNESDAY BUT GENERALLY SCT TO BKN CU
FIELD IN 3500-4500 FT RANGE. AFTER 15Z WINDS LIGHT NW FOR NEAR
KATL AND COULD BE VRB ELSEWHERE. PRECIP CHANCES STAY TOO LOW AND
FAR SOUTH TO INCLUDE IN TAF ATTM.

//ATL CONFIDENCE...00Z UPDATE...
MEDIUM ON WINDS.
HIGH ON ALL ELSE.

BAKER

&&

.PRELIMINARY POINT TEMPS/POPS...
ATHENS          70  90  71  91 /   5  10  10  20
ATLANTA         72  90  73  90 /   5  10  10  20
BLAIRSVILLE     64  85  65  85 /  20  30  20  20
CARTERSVILLE    68  90  69  90 /   5  10  10  20
COLUMBUS        73  91  73  92 /   5  20  10  20
GAINESVILLE     70  89  71  89 /   5  10  10  20
MACON           71  91  72  91 /   5  20  10  20
ROME            68  90  69  90 /   5  10  10  20
PEACHTREE CITY  69  90  70  90 /   5  10  10  20
VIDALIA         73  91  73  93 /  20  40  20  20

&&

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

$$

SHORT TERM...01/BAKER
LONG TERM....16
AVIATION...BAKER



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