Area Forecast Discussion Issued by NWS Atlanta, GA
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000
FXUS62 KFFC 092230
AFDFFC
AREA FORECAST DISCUSSION...UPDATED FOR AVIATION
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
ISSUED BY NATIONAL WEATHER SERVICE BIRMINGHAM AL
530 PM EST TUE FEB 9 2010
.DISCUSSION...
WILL CONTINUE WIND ADVISORY AS PREVIOUSLY MENTIONED. GRADIENTS
BEHIND FRONT ARE EXPECTED TO REMAIN TIGHT...AND WITH 2ND
REINFORCING SYSTEM TO COME THROUGH WED...LOOKING FOR SOME RATHER
BREEZY CONDITIONS ACROSS GA. WITH NW FLOW TONIGHT COULD GET SOME
LIGHT SNOW ACROSS NRN PORTIONS OF THE STATE INCLUDING HIGHER
ELEVATIONS ON INTO WED MORNING BEFORE 2ND SYSTEM DRYS EVERYTHING OUT.
HOWEVER...ANY ACCUMULATIONS ARE EXPECTED TO BE LIGHT AND UNDER
WINTER WX ADVISORY CRITERIA...MAINLY ACROSS MTNS. ALTHOUGH WINDY
CONDITIONS ARE EXPECTED ALONG WITH COOLER TEMPS BEHIND FRONT. WIND
CHILLS ALBEIT VERY COLD SHOULD REMAIN ABOVE VALUES NEEDED FOR
ADVISORY AS WELL.
HIGH PRESSURE WILL BUILD IN ACROSS THE STATE FOR LATE WED AND
CONTINUE INTO THU. DURING THIS TIME LOW PRESSURE WILL BEGIN TO
DEVELOP ON THU ACROSS THE WRN GULF OF MEX. HERE IS WHERE THE
FORECAST BEGINS TO GET RATHER TRICKY. MODELS SOLUTIONS ARE HAVING
TROUBLE PROCESSING THE GULF LOW AND HOW FAR N THIS SYSTEM WILL BE
AS IT MOVES EWD...WHICH WILL MAKE A BIG...BIG DIFFERENCE FOR
FRIDAY/S FORECAST. WILL HAVE THE COLD AIR IN PLACE. HAVE LOW
CONFIDENCE POPS IN FOR FRI WITH UNCERTAINTY ON THIS SYSTEM. IF LOW
TRACKS FURTHER N...COULD HAVE WINTERY MIX FOR PORTIONS OF GA. IF
THE SRN SOLUTION VERIFIES MUCH LESS MOISTURE IS AVAILABLE...BUT
STILL COLD. SHOULD SEE A BREAK NONETHELESS FOR SAT IN BETWEEN
SYSTEMS. ON SUN...MODELS ARE BRINGING A FRONT DOWN THROUGH GA.
HOWEVER...ONLY LOW POPS AT THIS TIME AS MOISTURE IS NOT AS
ABUNDANT.
BMX 08/MNK
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00Z TAF DISCUSSION.
EXPECT THE COLD FRONT TO MOVE ACROSS ATL BY THE 00Z ISSUANCE...SO
WILL SHOW A NW WIND AT 15G25KT INITIALLY...THEN INCREASE WINDS BY
09Z TO 20G30KT...THEN INCREASE AGAIN BY 15Z TO 25G35KT...STILL FROM
THE NW. TIMING TOOL ON LATEST SATL LOOP SUGGEST CURRENT MVFR CIGS
(BKN015) WILL PERSIST UNTIL AROUND 03Z THIS EVENING THEN SCT. THIS
LINES UP WELL WITH NAM MOS...WHILE THE 18Z GFS HOLDS ONTO MVFR CIGS
THROUGH 09Z TONIGHT. MORE INCLINED TO LEAN TOWARD THE TIMING TOOL
AND NAM MOS AND SHOW CIGS SCATTERING BY 04Z THIS EVENING. THEN CLEAR
SKIES AND STRONG WIND GUSTS WILL DOMINATE REST OF FORECAST PERIOD.
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.PRELIMINARY POINT TEMPS/POPS...
ATHENS 26 47 24 48 27 / 20 5 5 5 10
ATLANTA 25 43 26 48 29 / 10 5 5 5 10
BLAIRSVILLE 20 34 18 43 21 / 20 30 5 5 10
CARTERSVILLE 26 42 23 45 24 / 10 10 5 5 10
COLUMBUS 27 48 27 49 31 / 10 5 5 5 10
GAINESVILLE 26 43 23 46 27 / 20 10 5 5 10
MACON 28 49 26 51 29 / 10 5 5 5 10
ROME 26 44 25 45 27 / 20 10 5 5 10
PEACHTREE CITY 25 42 25 48 25 / 10 5 5 5 10
VIDALIA 30 49 27 54 30 / 20 0 5 5 10
&&
.FFC WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY FROM 7 PM THIS EVENING TO 7 AM EST THURSDAY FOR
THE FOLLOWING ZONES: BALDWIN...BANKS...BARROW...BARTOW...BIBB...
BLECKLEY...BUTTS...CARROLL...CATOOSA...CHATTAHOOCHEE...
CHATTOOGA...CHEROKEE...CLARKE...CLAYTON...COBB...COWETA...
CRAWFORD...CRISP...DADE...DAWSON...DEKALB...DODGE...DOOLY...
DOUGLAS...EMANUEL...FANNIN...FAYETTE...FLOYD...FORSYTH...
GILMER...GLASCOCK...GORDON...GREENE...GWINNETT...HALL...
HANCOCK...HARALSON...HARRIS...HEARD...HENRY...HOUSTON...
JACKSON...JASPER...JEFFERSON...JOHNSON...JONES...LAMAR...
LAURENS...LUMPKIN...MACON...MADISON...MARION...MERIWETHER...
MONROE...MONTGOMERY...MORGAN...MURRAY...MUSCOGEE...NEWTON...
NORTH FULTON...OCONEE...OGLETHORPE...PAULDING...PEACH...
PICKENS...PIKE...POLK...PULASKI...PUTNAM...ROCKDALE...SCHLEY...
SOUTH FULTON...SPALDING...STEWART...SUMTER...TALBOT...
TALIAFERRO...TAYLOR...TELFAIR...TOOMBS...TOWNS...TREUTLEN...
TROUP...TWIGGS...UNION...UPSON...WALKER...WALTON...WARREN...
WASHINGTON...WEBSTER...WHEELER...WHITE...WHITFIELD...WILCOX...
WILKES...WILKINSON.
&&
$$