000
FXUS62 KFFC 220920 AAA
AFDFFC
AREA FORECAST DISCUSSION...UPDATED FOR AVIATION
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
520 AM EDT TUE SEP 22 2009
.SHORT TERM /TODAY THROUGH WEDNESDAY/...
STRONG SE LOW LEVEL
FLOW HAS FINALLY WEAKENED AND THAT WILL END THE
POTENTIAL FOR WIDESPREAD HEAVY
RAINFALL AMOUNTS. HOWEVER...STILL
EXCELLENT
MOISTURE ACROSS THE AREA WITH POTENTIAL FOR WEAK SHORT
WAVES TO CAUSE
SCATTERED SHOWERS AND STORMS...GIVING POTENTIAL FOR
LOCALIZED HEAVY
RAINFALL AMOUNTS. TODAYS CONVECTIVE ACTIVITY SHOULD
WEAKEN QUICKLY TONIGHT WITH THE LOSS OF DAY TIME HEATING.
SCATTERED SHOWERS AND STORMS EXPECTED WEDNESDAY HELPED BY THE
APPROACH OF A WEAKENING EASTERLY WAVE.
HIGH TEMPERATURES SLIGHTLY ABOVE
NORMAL TODAY AND WEDNESDAY. LOW
TEMPERATURES RUNNING 5-7 DEGREES ABOVE
NORMAL THE NEXT 2 NIGHTS.
OVERALL CONFIDENCE IS MODERATE.
.LONG TERM /THURSDAY THROUGH MONDAY/...
HIGH PRESSURE ALOFT CONTINUES ON THURSDAY AND FRIDAY KEEPING
CONVECTION MORE DIURNALLY DRIVEN EVEN WITH A WEAK
FRONT APPROACHING
FRIDAY. NEXT SYSTEM BEGINS TO AFFECT AREA SATURDAY WITH BETTER
MOISTURE AND THE APPROACH OF A MORE SIGNIFICANT COLD
FRONT THAT
MOVES ACROSS THE AREA ON SUNDAY AND FINALLY DRIES THINGS OUT FOR
MONDAY. ALL IN ALL...TEMPERATURES NEAR TO ABOVE
NORMAL UNTIL THE
COLD
FRONT PASSES SUNDAY INTO MONDAY.
.AVIATION...
IFR CLOUDS IN AND OUT EARLY THIS MORNING...WITH MOST
TAF SITES NOW
REPORTING BASES IN THE
MVFR TO LOW
VFR RANGE. HOWEVER...HAVE NOT
GIVEN UP COMPLETELY ON
IFR CONDITIONS BECOMING MORE WIDESPREAD
BEFORE SUNRISE...AND THINK WE WILL SEE AT LEAST
BKN CLOUDS IN THE
5 HUNDRED TO 1
THSD FT RANGE MOST PLACES BETWEEN NOW AND
MID-MORNING. EXPECT ANY
IFR CIGS THAT DO DEVELOP TO LIFT BACK INTO
THE
MVFR/LOW
VFR RANGE MID TO LATE MORNING. LIKEWISE...SO FAR
FOG
HAS NOT BEEN AN ISSUE...BUT WITH LITTLE TEMP/
DEW POINT SPREAD...
MVFR
VSBYS NOT OUT OF THE QUESTION THIS MORNING. WILL CONTINUE TO
INDICATE JUST VCSH FOR THIS MORNING...WITH VCTS OR
CB MOST PLACES
AFTER 18Z. EAST TO SOUTHEAST WINDS (5 TO 10
KTS) STILL LOOK GOOD FOR
MUCH OF THE PERIOD.
49
&&
.
HYDROLOGY...
FLOOD WATCH WILL CONTINUE UNTIL 800 PM THIS EVENING. NOT EXPECTING
WIDESPREAD HEAVY AMOUNTS TODAY WITH MOST AREAS GETTING 1/2 INCH OR
LESS. HOWEVER...ANY LOCAL HEAVY AMOUNTS COULD CAUSE ADDITIONAL
PROBLEMS ON ALREADY SATURATED GROUND.
&&
.PRELIMINARY POINT TEMPS/
POPS...
ATHENS 83 67 85 67 87 / 30 20 50 20 30
ATLANTA 82 68 83 69 85 / 40 20 30 20 30
BLAIRSVILLE 77 65 79 66 81 / 60 30 50 20 30
CARTERSVILLE 83 67 86 67 87 / 60 20 30 20 30
COLUMBUS 87 70 87 71 87 / 30 10 20 20 30
GAINESVILLE 80 67 82 67 84 / 50 20 50 20 30
MACON 86 69 87 69 90 / 30 10 40 20 30
ROME 83 68 86 68 87 / 60 30 30 20 30
PEACHTREE CITY 84 68 84 68 85 / 40 10 30 20 30
VIDALIA 87 71 86 71 88 / 20 10 50 20 30
&&
.FFC WATCHES/WARNINGS/ADVISORIES...
FLOOD WATCH THROUGH THIS EVENING FOR THE FOLLOWING ZONES:
BALDWIN...BANKS...BARROW...BARTOW...BIBB...BUTTS...CARROLL...
CATOOSA...CHATTAHOOCHEE...CHATTOOGA...CHEROKEE...CLARKE...
CLAYTON...COBB...COWETA...CRAWFORD...CRISP...DADE...DAWSON...
DEKALB...DOOLY...DOUGLAS...FANNIN...FAYETTE...FLOYD...FORSYTH...
GILMER...GLAS****...GORDON...GREENE...GWINNETT...HALL...
HAN****...HARALSON...HARRIS...HEARD...HENRY...HOUSTON...
JACKSON...JASPER...JEFFERSON...JONES...LAMAR...LUMPKIN...MACON...
MADISON...MARION...MERIWETHER...MONROE...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...TOWNS...TROUP...TWIGGS...UNION...
UPSON...WALKER...WALTON...WARREN...WASHINGTON...WEBSTER...
WHITE...WHITFIELD...WILCOX...WILKES...WILKINSON.
&&
$$
BDL