Alert archive / Georgia / Flash Flood Watches in 2009

Flash Flood Watch 1, NWS Atlanta, GA

September 25, 200956 counties in Georgia

NWS Atlanta, GA issued this flash flood watch at Sep 25, 2009, 3:42 AM EDT for 56 counties in Georgia. It took effect at Sep 25, 2009, 4:00 PM EDT. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued
Sep 25, 2009, 3:42 AM EDT (07:42 UTC)
In effect from
Sep 25, 2009, 4:00 PM EDT
Expired
Sep 26, 2009, 8:28 PM EDT
In force
28 hr
Issued by
NWS Atlanta, GA
Flood severity
None
All 56 counties

Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dade County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Jasper County, GA, Lamar County, GA, Lumpkin County, GA, Madison County, GA, Meriwether County, GA, Monroe County, GA, Morgan County, GA, Murray County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Rockdale County, GA, Spalding County, GA, Talbot County, GA, Towns County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walker County, GA, Walton County, GA, White County, GA, Whitfield County, GA

The radar

The Atlanta radar (KFFC), 62 km from the middle of the area, began a volume at 07:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.7 hours before the alert went out and 60 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2009-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1290 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2009-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1290 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
894 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

959 
WGUS62 KFFC 250742
FFAFFC

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
342 AM EDT FRI SEP 25 2009

GAZ001>009-011>016-019>025-027-030>037-041>048-052>055-057-251545-
/O.NEW.KFFC.FF.A.0001.090925T2000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-HEARD-COWETA-
FAYETTE-CLAYTON-HENRY-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY
342 AM EDT FRI SEP 25 2009

...FLASH FLOOD WATCH IN EFFECT FROM THIS AFTERNOON THROUGH LATE
SATURDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF NORTH CENTRAL GEORGIA...
 NORTHEAST GEORGIA...NORTHWEST GEORGIA AND WEST CENTRAL GEORGIA.

* FROM THIS AFTERNOON THROUGH LATE SATURDAY NIGHT

* A STRONG UPPER SYSTEM AND ASSOCIATED COLD FRONT WILL APPROACH
  THE STATE TODAY. WITH ABUNDANT MOISTURE IN PLACE AND SOILS STILL
  SATURATED FROM LAST WEEKEND'S WIDESPREAD SIGNIFICANT FLOODING...
  ANY RAIN THAT DEVELOPS WILL LEAD TO ADDITIONAL FLOODING
  CONCERNS. WIDESPREAD RAINFALL OF 1 TO 3 INCHES CAN BE EXPECTED
  ACROSS THE WATCH AREA...WITH LOCALLY HIGHER AMOUNTS OF 3 TO 5
  INCHES POSSIBLE ESPECIALLY ACROSS THE NORTH GEORGIA MOUNTAINS.

* SOILS REMAIN SATURATED FROM THE WIDESPREAD HEAVY RAIN ACROSS THE
  REGION LAST WEEKEND. THUS ANY RAIN THAT DEVELOPS WILL LIKELY ALL
  RUN OFF INTO CREEKS AND STREAMS...LEADING TO RAPID RISES. THIS
  EVENT IS NOT EXPECTED TO BE AS WIDESPREAD OR SIGNIFICANT AS LAST
  WEEKEND...BUT LOCALIZED AREAS ESPECIALLY ACROSS THE MOUNTAINS
  WILL LIKELY EXPERIENCE FLASH FLOODING. DO NOT DRIVE ACROSS AREAS
  WHERE WATER COVERS THE ROAD...REMEMBER TO TURN AROUND DON'T
  DROWN!


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
7 follow-up statements
888 
WGUS62 KFFC 251617
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1217 PM EDT FRI SEP 25 2009

GAZ001>009-011>016-019>025-027-030>037-041>048-052>055-057-260030-
/O.CON.KFFC.FF.A.0001.090925T2000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-HEARD-COWETA-
FAYETTE-CLAYTON-HENRY-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY
1217 PM EDT FRI SEP 25 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM EDT THIS
AFTERNOON THROUGH LATE SATURDAY NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTH CENTRAL GEORGIA...NORTHEAST GEORGIA...
 NORTHWEST GEORGIA AND WEST CENTRAL GEORGIA.

* FROM 4 PM EDT THIS AFTERNOON THROUGH LATE SATURDAY NIGHT

* A STRONG UPPER SYSTEM AND ASSOCIATED COLD FRONT WILL APPROACH
  THE STATE TODAY. WITH ABUNDANT MOISTURE IN PLACE AND SOILS STILL
  SATURATED FROM WIDESPREAD SIGNIFICANT FLOODING EARLY THIS WEEK...
  ANY HEAVY RAIN THAT DEVELOPS WILL LEAD TO ADDITIONAL FLOODING
  CONCERNS. WIDESPREAD RAINFALL OF 1 TO 3 INCHES CAN BE EXPECTED
  ACROSS THE WATCH AREA...WITH LOCALLY HIGHER AMOUNTS OF 3 TO 5
  INCHES POSSIBLE ESPECIALLY ACROSS THE NORTH GEORGIA MOUNTAINS.

* SOILS REMAIN SATURATED FROM THE WIDESPREAD HEAVY RAIN ACROSS THE
  REGION DURING THE PAST 10 DAYS. THUS ANY HEAVY RAIN THAT
  DEVELOPS WILL LIKELY ALL RUN OFF INTO CREEKS AND STREAMS...
  LEADING TO RAPID RISES. THIS EVENT IS NOT EXPECTED TO BE AS
  WIDESPREAD OR SIGNIFICANT EARLIER THIS WEEK...BUT LOCALIZED
  AREAS ESPECIALLY ACROSS THE MOUNTAINS WILL LIKELY EXPERIENCE
  FLASH FLOODING. DO NOT DRIVE ACROSS AREAS WHERE WATER COVERS THE
  ROAD...REMEMBER TO TURN AROUND DON'T DROWN!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
826 
WGUS62 KFFC 252032
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
432 PM EDT FRI SEP 25 2009

GAZ001>009-011>016-019>025-027-030>037-041>048-052>055-057-260445-
/O.CON.KFFC.FF.A.0001.000000T0000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-HEARD-COWETA-
FAYETTE-CLAYTON-HENRY-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY
432 PM EDT FRI SEP 25 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SATURDAY
NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTH CENTRAL GEORGIA...NORTHEAST GEORGIA...
  NORTHWEST GEORGIA AND WEST CENTRAL GEORGIA.

* THROUGH LATE SATURDAY NIGHT

* A STRONG UPPER LEVEL SYSTEM AND ASSOCIATED COLD FRONT WILL
  APPROACH GEORGIA SATURDAY. DUE TO EXCESSIVE TROPICAL MOISTURE IN
  PLACE AND SOILS STILL SATURATED FROM WIDESPREAD SIGNIFICANT
  FLOODING EARLIER THIS WEEK...ANY HEAVY RAIN THAT DEVELOPS WILL
  LEAD TO ADDITIONAL FLOODING CONCERNS. WIDESPREAD RAINFALL OF 1
  TO 2 INCHES CAN BE EXPECTED ACROSS THE WATCH AREA...WITH LOCALLY
  HIGHER AMOUNTS OF 3 INCHES OR MORE POSSIBLE...ESPECIALLY ACROSS
  THE NORTH GEORGIA MOUNTAINS. THE WATCH AREA IS GENERALLY NORTH
  OF A LINE FROM FRANKLIN THROUGH MCDONOUGH AND ATHENS TO
  DANIELSVILLE. 

* SOILS REMAIN SATURATED FROM THE WIDESPREAD HEAVY RAIN ACROSS THE
  REGION DURING THE PAST 10 DAYS. THUS ANY HEAVY RAIN THAT
  DEVELOPS WILL QUICKLY RUN OFF INTO CREEKS AND STREAMS...LEADING
  TO RAPID RISES. THIS EVENT IS NOT EXPECTED TO BE AS WIDESPREAD
  OR SIGNIFICANT AS EARLIER THIS WEEK...BUT LOCALIZED AREAS...
  ESPECIALLY ACROSS THE MOUNTAINS WILL LIKELY EXPERIENCE FLASH
  FLOODING. DO NOT DRIVE ACROSS AREAS WHERE WATER COVERS THE
  ROAD...REMEMBER TO TURN AROUND DON'T DROWN!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
687 
WGUS62 KFFC 260239
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1039 PM EDT FRI SEP 25 2009

GAZ001>009-011>016-019>025-027-030>037-041>048-052>055-057-261045-
/O.CON.KFFC.FF.A.0001.000000T0000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-HEARD-COWETA-
FAYETTE-CLAYTON-HENRY-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY
1039 PM EDT FRI SEP 25 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SATURDAY
NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTH CENTRAL GEORGIA...NORTHEAST GEORGIA...NORTHWEST
  GEORGIA AND WEST CENTRAL GEORGIA.

* THROUGH LATE SATURDAY NIGHT

* A STRONG UPPER LEVEL SYSTEM AND ASSOCIATED COLD FRONT WILL
  APPROACH GEORGIA SATURDAY. A BACKDOOR COLD FRONT WILL DRIFT INTO
  NORTH CENTRAL AND NORTHEAST GEORGIA EARLY SATURDAY AS WELL.
  BECAUSE OF EXCESSIVE TROPICAL MOISTURE IN PLACE AND SOILS STILL
  SATURATED FROM WIDESPREAD RECORD RAINFALL AND FLOODING EARLIER
  THIS WEEK...ANY HEAVY RAIN THAT DEVELOPS WILL LEAD TO ADDITIONAL
  FLOODING CONCERNS. WIDESPREAD RAINFALL OF 1 TO 2 INCHES CAN BE
  EXPECTED ACROSS THE WATCH AREA...WITH LOCALLY HIGHER AMOUNTS OF
  3 INCHES OR MORE POSSIBLE... ESPECIALLY ACROSS THE NORTH GEORGIA
  MOUNTAINS. THE WATCH AREA IS GENERALLY NORTH OF A LINE FROM
  FRANKLIN THROUGH MCDONOUGH AND ATHENS TO DANIELSVILLE.

* SOILS REMAIN SATURATED FROM THE RECORD RAINFALL ACROSS THE
  REGION DURING THE PAST 10 DAYS. THUS ANY HEAVY RAIN THAT
  DEVELOPS WILL QUICKLY RUN OFF INTO CREEKS AND STREAMS... LEADING
  TO RAPID RISES. NONETHELESS...THIS EVENT IS NOT EXPECTED TO BE
  AS WIDESPREAD OR SIGNIFICANT AS EARLIER THIS WEEK...BUT
  LOCALIZED AREAS... ESPECIALLY ACROSS THE MOUNTAINS AND PARTS OF
  THE ATLANTA METROPOLITAN AREA WILL LIKELY EXPERIENCE FLASH
  FLOODING. DO NOT DRIVE ACROSS AREAS WHERE WATER COVERS THE
  ROAD...REMEMBER TO TURN AROUND DON'T DROWN!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

19
807 
WGUS62 KFFC 260753
FFAFFC

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
353 AM EDT SAT SEP 26 2009

GAZ049-056-058-059-066>071-078-079-089-261600-
/O.EXA.KFFC.FF.A.0001.000000T0000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORGAN-SPALDING-BUTTS-JASPER-TROUP-MERIWETHER-PIKE-UPSON-LAMAR-
MONROE-HARRIS-TALBOT-MUSCOGEE-
INCLUDING THE CITIES OF...GRIFFIN...COLUMBUS
353 AM EDT SAT SEP 26 2009

...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF CENTRAL GEORGIA...
 NORTH CENTRAL GEORGIA AND WEST CENTRAL GEORGIA.

* THROUGH LATE TONIGHT

* A STRONG UPPER LEVEL SYSTEM AND ASSOCIATED COLD FRONT WILL
  APPROACH GEORGIA TODAY. A BACKDOOR COLD FRONT WILL DRIFT INTO
  NORTH CENTRAL AND NORTHEAST GEORGIA TODAY AS WELL. BECAUSE OF
  EXCESSIVE TROPICAL MOISTURE IN PLACE AND SOILS STILL SATURATED
  FROM WIDESPREAD RECORD RAINFALL AND FLOODING EARLIER THIS
  WEEK...ANY HEAVY RAIN THAT DEVELOPS WILL LEAD TO ADDITIONAL
  FLOODING CONCERNS. WIDESPREAD RAINFALL OF 1 TO 3 INCHES CAN BE
  EXPECTED ACROSS THE WATCH AREA...WITH LOCALLY HIGHER AMOUNTS OF
  4 INCHES OR MORE POSSIBLE... ESPECIALLY ACROSS THE NORTH GEORGIA
  MOUNTAINS. THE WATCH AREA IS GENERALLY NORTH OF A LINE FROM
  COLUMBUS...TO FORSYTH...TO DANIELSVILLE.

* SOILS REMAIN SATURATED FROM THE RECORD RAINFALL ACROSS THE
  REGION DURING THE PAST 10 DAYS. THUS ANY HEAVY RAIN THAT
  DEVELOPS WILL QUICKLY RUN OFF INTO CREEKS AND STREAMS...LEADING
  TO RAPID RISES. NONETHELESS...THIS EVENT IS NOT EXPECTED TO BE
  AS WIDESPREAD OR SIGNIFICANT AS EARLIER THIS WEEK...BUT
  LOCALIZED AREAS... ESPECIALLY ACROSS THE MOUNTAINS AND PARTS OF
  THE ATLANTA METROPOLITAN AREA...WILL LIKELY EXPERIENCE FLASH
  FLOODING. DO NOT DRIVE ACROSS AREAS WHERE WATER COVERS THE
  ROAD...REMEMBER TO TURN AROUND DON'T DROWN!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

GAZ001>009-011>016-019>025-027-030>037-041>048-052>055-057-261600-
/O.CON.KFFC.FF.A.0001.000000T0000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-HEARD-COWETA-
FAYETTE-CLAYTON-HENRY-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY
353 AM EDT SAT SEP 26 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTH CENTRAL GEORGIA...NORTHEAST GEORGIA...
 NORTHWEST GEORGIA AND WEST CENTRAL GEORGIA.

* THROUGH LATE TONIGHT

* A STRONG UPPER LEVEL SYSTEM AND ASSOCIATED COLD FRONT WILL
  APPROACH GEORGIA TODAY. A BACKDOOR COLD FRONT WILL DRIFT INTO
  NORTH CENTRAL AND NORTHEAST GEORGIA TODAY AS WELL. BECAUSE OF
  EXCESSIVE TROPICAL MOISTURE IN PLACE AND SOILS STILL SATURATED
  FROM WIDESPREAD RECORD RAINFALL AND FLOODING EARLIER THIS
  WEEK...ANY HEAVY RAIN THAT DEVELOPS WILL LEAD TO ADDITIONAL
  FLOODING CONCERNS. WIDESPREAD RAINFALL OF 1 TO 3 INCHES CAN BE
  EXPECTED ACROSS THE WATCH AREA...WITH LOCALLY HIGHER AMOUNTS OF
  4 INCHES OR MORE POSSIBLE... ESPECIALLY ACROSS THE NORTH GEORGIA
  MOUNTAINS. THE WATCH AREA IS GENERALLY NORTH OF A LINE FROM
  COLUMBUS...TO FORSYTH...TO DANIELSVILLE.

* SOILS REMAIN SATURATED FROM THE RECORD RAINFALL ACROSS THE
  REGION DURING THE PAST 10 DAYS. THUS ANY HEAVY RAIN THAT
  DEVELOPS WILL QUICKLY RUN OFF INTO CREEKS AND STREAMS...LEADING
  TO RAPID RISES. NONETHELESS...THIS EVENT IS NOT EXPECTED TO BE
  AS WIDESPREAD OR SIGNIFICANT AS EARLIER THIS WEEK...BUT
  LOCALIZED AREAS... ESPECIALLY ACROSS THE MOUNTAINS AND PARTS OF
  THE ATLANTA METROPOLITAN AREA...WILL LIKELY EXPERIENCE FLASH
  FLOODING. DO NOT DRIVE ACROSS AREAS WHERE WATER COVERS THE
  ROAD...REMEMBER TO TURN AROUND DON'T DROWN! 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
580 
WGUS62 KFFC 261508
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1108 AM EDT SAT SEP 26 2009

GAZ001>009-011>016-019>025-027-030>037-041>049-052>059-066>071-
078-079-089-262315-
/O.CON.KFFC.FF.A.0001.000000T0000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-MORGAN-HEARD-
COWETA-FAYETTE-CLAYTON-SPALDING-HENRY-BUTTS-JASPER-TROUP-
MERIWETHER-PIKE-UPSON-LAMAR-MONROE-HARRIS-TALBOT-MUSCOGEE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY...
GRIFFIN...COLUMBUS
1108 AM EDT SAT SEP 26 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT FOR 
MOST OF NORTH AND WEST CENTRAL GEORGIA...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL GEORGIA...NORTH CENTRAL GEORGIA...NORTHEAST
  GEORGIA...NORTHWEST GEORGIA AND WEST CENTRAL GEORGIA...MAINLY NORTH
  AND WEST OF A LINE FROM COLUMBUS TO FORSYTH AND DANIELSVILLE.

* THROUGH LATE TONIGHT

* A STRONG UPPER LEVEL SYSTEM AND ASSOCIATED COLD FRONT WILL APPROACH
  GEORGIA TODAY. A BACKDOOR COLD FRONT WILL CONTINUE DRIFTING INTO
  NORTH CENTRAL AND NORTHEAST GEORGIA TODAY AS WELL. DUE TO THE AMPLE
  TROPICAL MOISTURE IN PLACE...AND SOILS STILL SATURATED FROM
  WIDESPREAD...RECORD RAINFALL AND FLOODING EARLIER THIS WEEK...ANY
  HEAVY RAIN THAT DEVELOPS WILL LEAD TO ADDITIONAL FLOODING CONCERNS.
  RAINFALL AMOUNTS OF 1 TO 3 INCHES CAN BE EXPECTED ACROSS THE WATCH
  AREA...WITH LOCALLY HIGHER AMOUNTS OF 4 INCHES OR MORE POSSIBLE...
  ESPECIALLY IN THE NORTH GEORGIA MOUNTAINS. THE WATCH AREA IS
  GENERALLY NORTH OF A LINE FROM COLUMBUS...TO FORSYTH...TO
  DANIELSVILLE.

* SOILS REMAIN SATURATED FROM THE RECORD RAINFALL ACROSS THE REGION
  DURING THE PAST 10 DAYS. ANY HEAVY RAIN THAT DEVELOPS WILL QUICKLY
  RUN OFF INTO CREEKS AND STREAMS... LEADING TO RAPID RISES.
  NONETHELESS...THIS EVENT IS NOT EXPECTED TO BE AS WIDESPREAD OR AS
  SIGNIFICANT IN MAGNITUDE AS EARLIER THIS WEEK...BUT LOCALIZED
  AREAS...ESPECIALLY ACROSS THE MOUNTAINS AND PARTS OF THE ATLANTA
  METROPOLITAN AREA...WILL LIKELY EXPERIENCE FLASH FLOODING. DO NOT
  DRIVE ACROSS AREAS WHERE WATER COVERS THE ROAD. REMEMBER TO TURN
  AROUND...DON'T DROWN!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE LIKELY TO DEVELOP THAT
WILL LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS
SITUATION...YOU SHOULD MONITOR THE LATEST FORECASTS AND BE PREPARED
TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
974 
WGUS62 KFFC 261938
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
338 PM EDT SAT SEP 26 2009

GAZ001>009-011>016-019>025-027-030>037-041>049-052>059-066>071-
078-079-089-270345-
/O.CON.KFFC.FF.A.0001.000000T0000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-MORGAN-HEARD-
COWETA-FAYETTE-CLAYTON-SPALDING-HENRY-BUTTS-JASPER-TROUP-
MERIWETHER-PIKE-UPSON-LAMAR-MONROE-HARRIS-TALBOT-MUSCOGEE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY...
GRIFFIN...COLUMBUS
338 PM EDT SAT SEP 26 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL GEORGIA...NORTH CENTRAL GEORGIA...
 NORTHEAST GEORGIA...NORTHWEST GEORGIA AND WEST CENTRAL GEORGIA.

* THROUGH LATE TONIGHT

* A STRONG UPPER LEVEL SYSTEM AND ASSOCIATED COLD FRONT WILL MOVE
  INTO GEORGIA TONIGHT. A BACKDOOR COLD FRONT WILL STALL ACROSS
  NORTHEAST GEORGIA THIS EVENING...THEN LIFT NORTHEAST OUT OF THE
  AREA. WITH AMPLE TROPICAL MOISTURE IN PLACE...AND SOILS STILL
  SATURATED FROM WIDESPREAD...RECORD RAINFALL AND FLOODING EARLIER
  THIS WEEK...ANY HEAVY RAIN THAT DEVELOPS WILL LEAD TO ADDITIONAL
  FLOODING CONCERNS. RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE
  EXPECTED ACROSS THE WATCH AREA...WITH LOCAL AMOUNTS OF 4 TO 5
  INCHES...ESPECIALLY IN THE NORTH GEORGIA MOUNTAINS AND THE
  WESTERN AND NORTHERN AREAS OF ATLANTA. THE WATCH AREA IS GENERALLY
  NORTH OF A LINE FROM COLUMBUS...TO FORSYTH...TO DANIELSVILLE.

* SOILS REMAIN SATURATED FROM THE RECORD RAINFALL ACROSS THE
  REGION DURING THE PAST 10 DAYS. ANY HEAVY RAIN THAT DEVELOPS
  WILL QUICKLY RUN OFF INTO CREEKS AND STREAMS... LEADING TO
  RAPID RISES. NONETHELESS...THIS EVENT IS NOT EXPECTED TO BE AS
  WIDESPREAD OR AS SIGNIFICANT IN MAGNITUDE AS EARLIER THIS
  WEEK...BUT LOCALIZED AREAS...ESPECIALLY ACROSS THE MOUNTAINS AND
  PARTS OF THE ATLANTA METROPOLITAN AREA...WILL LIKELY EXPERIENCE
  FLASH FLOODING. DO NOT DRIVE ACROSS AREAS WHERE WATER COVERS THE
  ROAD. REMEMBER TO TURN AROUND...DON'T DROWN!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE LIKELY TO DEVELOP
THAT WILL LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY
DANGEROUS SITUATION...YOU SHOULD MONITOR THE LATEST FORECASTS AND
BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

19
942 
WGUS62 KFFC 270028
FFAFFC

FLOOD WATCH
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
828 PM EDT SAT SEP 26 2009

GAZ001>009-011>016-019>025-027-030>037-041>049-052>059-066>071-
078-079-089-270130-
/O.CAN.KFFC.FF.A.0001.000000T0000Z-090927T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DADE-WALKER-CATOOSA-WHITFIELD-MURRAY-FANNIN-GILMER-UNION-TOWNS-
CHATTOOGA-GORDON-PICKENS-DAWSON-LUMPKIN-WHITE-FLOYD-BARTOW-
CHEROKEE-FORSYTH-HALL-BANKS-JACKSON-MADISON-POLK-PAULDING-COBB-
NORTH FULTON-GWINNETT-BARROW-CLARKE-OCONEE-HARALSON-CARROLL-
DOUGLAS-SOUTH FULTON-DEKALB-ROCKDALE-WALTON-NEWTON-MORGAN-HEARD-
COWETA-FAYETTE-CLAYTON-SPALDING-HENRY-BUTTS-JASPER-TROUP-
MERIWETHER-PIKE-UPSON-LAMAR-MONROE-HARRIS-TALBOT-MUSCOGEE-
INCLUDING THE CITIES OF...CALHOUN...DAHLONEGA...CLEVELAND...
ROME...CARTERSVILLE...GAINESVILLE...MARIETTA...ATLANTA...
LAWRENCEVILLE...ATHENS...CARROLLTON...DOUGLASVILLE...EAST POINT...
DECATUR...CONYERS...COVINGTON...NEWNAN...PEACHTREE CITY...
GRIFFIN...COLUMBUS
828 PM EDT SAT SEP 26 2009

...FLASH FLOOD WATCH IS CANCELLED FOR MOST OF NORTH AND WEST CENTRAL 
GEORGIA... 

THE FLASH FLOOD WATCH FOR PORTIONS OF NORTH AND WEST CENTRAL
GEORGIA HAS BEEN CANCELLED.

HEAVY RAINFALL HAS DIMINISHED ACROSS THE NORTH AND WEST GEORGIA
AREA...AND ADDITIONAL HEAVY RAINFALL IS NOT EXPECTED DURING THE
NEXT COUPLE OF DAYS.

HOWEVER...EXCESSIVE RAINFALL FROM EARLIER THIS WEEK...AS WELL AS
THIS EVENING HAS LEFT SEVERAL CREEKS...STREAMS...AND RIVERS WELL
ABOVE FLOOD STAGE.  CREEK...STREAM...AND RIVER FLOODING WILL BE
COVERED THROUGH SPECIFIC RIVER FLOOD WARNINGS AND STATEMENTS.

FOR SPECIFIC INFORMATION ON RIVER FLOODING IN YOUR AREA...PLEASE
LISTEN TO NOAA WEATHER RADIO OR VIEW THE DATA ON THE INTERNET AT
WEATHER.GOV/ATLANTA...AND CLICK ON THE RIVERS & LAKES AHPS LINK.

$$

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Atlanta, GA wrote its last area forecast discussion before this flash flood watch went out at Sep 25, 3:25 AM EDT, 17 minutes earlier.

Area forecast discussion, Sep 25, 3:25 AM EDT, 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
325 AM EDT FRI SEP 25 2009

.SHORT TERM /TODAY THROUGH SUNDAY/...

STRONG UPPER LOW IN THE CENTRAL PLAINS IS COMPETING WITH HIGH
PRESSURE OVER THE SOUTHEAST PORTION OF THE COUNTRY. FAIRLY HIGH
AMPLITUDE WAVE TO BEGIN THE SHORT TERM...BUT THE UPPER LOW WILL
TRANSITION TO AN OPEN WAVE WITH A DEEP TROUGH THROUGH THE SHORT
TERM. FRONT AHEAD OF THE UPPER LOW IS CURRENTLY EXTENDING DOWN THE
MISSISSIPPI VALLEY AND WILL BEGIN TO IMPACT OUR AREA LATE TODAY
AND ESPECIALLY ON SATURDAY. IN THE MEANTIME...SUBSIDENCE FROM
CONFLUENT FLOW ALOFT OVER NEW ENGLAND AND SOUTHEAST CANADA WILL
ALLOW A CAD HIGH TO RIDGE DOWN THE EASTERN SEABOARD...WHICH SHOULD
REMAIN FIRMLY IN PLACE THROUGH THE SHORT TERM (AM BANKING ON THE
FACT THAT MODELS TEND TO SCOUR THESE OUT TOO QUICKLY).

BETWEEN THE APPROACHING COLD FRONT WITH SYNOPTIC LIFT AND THE CAD
SETTLING INTO PLACE WITH PLENTY OF ISENTROPIC LIFT...MAIN CONCERN
FOR THE TIME PERIOD WILL BE THE HEAVY RAIN. SEE BELOW FOR MORE ON
THAT. ALSO...BOTH THE NAM AND GFS HAVE CAPES INCREASING THIS
AFTERNOON TO BETWEEN 1000-1500 J/KG. GFS IS HIGHER AS ITS SURFACE
TEMPERATURES ARE SLIGHTLY HIGHER...THOUGH BOTH CONTINUE TO
INDICATE ABOVE-NORMAL TEMPS FOR TODAY. IN ANY CASE WITH PLENTY OF
MOISTURE AND DECENT INSTABILITY...EXPECT TO SEE INCREASED
THUNDERSTORM COVERAGE THIS AFTERNOON. AM NOT TOO CONCERNED WITH A
POSSIBLE SEVERE THREAT AS BEST SHEAR REMAINS TO OUR WEST. BY
SATURDAY...WHEN THE BETTER LIFT AND SHEAR APPROACH... INSTABILITY
SHOULD BE LOWER DUE TO THE WIDESPREAD CLOUD COVER. SOME QUESTION
AS TO HOW FAR SOUTHWEST THE WEDGE FRONT WILL GO...NAM WANTS TO
BUILD THE DAMMING IN MORE THAN THE GFS SO THIS COULD CERTAINLY BE
A PLAYER DEPENDING ON WHICH MODEL VERIFIES. WILL GO INTO MORE
DETAIL ON RAIN BELOW...BUT BASICALLY HAVE LIKELY TO CATEGORICAL
POPS OVER APPROXIMATELY THE NORTHERN HALF OF THE CWA ON AND OFF
THROUGH THE WEEKEND.

FRONT WILL MOVE THROUGH THE AREA ON SUNDAY...GFS IS SLIGHTLY
FASTER THAN THE ECMWF SO HAVE HELD ONTO POPS DOWN SOUTH A TAD
LONGER. SHOULD BE A MARKED DIFFERENCE IN TEMPS FROM TODAY THROUGH
SUNDAY...WITH SATURDAY POSSIBLY BEING THE COOLEST DUE TO THE CLOUD
COVER AND THE INFLUENCE OF THE CAD. ESPECIALLY ON SATURDAY BUT
SUNDAY ALSO...MAV TEMPS ARE MUCH HIGHER THAN THE MET. BASED ON
WHAT HAPPENED WITH TEMPERATURES DUE TO WIDESPREAD CLOUD COVER AND
RAIN LAST WEEKEND...STARTED WITH A BIAS ADJUSTED MAV/MET BLEND...
AND LEANED MORE TOWARD THE COOLER MET. LOW TEMPS SATURDAY NIGHT
MAY BE A PAIN...DEPENDING ON WHERE THE WEDGE FRONT SETS UP.

BY LATE SUNDAY...THE WAVE HAS DAMPED SIGNIFICANTLY...THOUGH
ANOTHER SHORTWAVE IS BEGINNING TO SHOW UP IN THE UPPER MISSISSIPPI
VALLEY.

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...

AFOREMENTIONED UPPER MISSISSIPPI VALLEY UPPER LOW WILL DEEPEN ON
MONDAY AS IT SLIDES EAST...ALLOWING A MAINLY DRY COLD FRONT TO
PASS THROUGH THE REGION. CANNOT RULE OUT A FEW SHOWERS IN THE
NORTHWEST FLOW ACROSS THE MOUNTAINS...SO HAVE INCLUDED SLIGHT
CHANCE POPS NORTH WITH THE FRONTAL PASSAGE. OTHERWISE...FRONT
SHOULD MANIFEST ITSELF MORE AS AN INCREASE IN CLOUD COVER. AFTER
THE FRONT MOVES THROUGH...A SURFACE HIGH PUSHES DOWN FROM CANADA
INTO THE CENTRAL PORTION OF THE COUNTRY AND EVENTUALLY THE
SOUTHEAST...ALLOWING BELOW-NORMAL TEMPS TO DOMINATE THE REGION.
FROM THE LOOKS OF IT...SHOULD BE A FAIRLY NICE WEEK...ALLOWING
SEVERAL DAYS OF DRYING AFTER THIS WEEKENDS RAIN. A REPEAT
PERFORMANCE OF THE CAD HIGH AND APPROACHING COLD FRONT BEGINS TO
SET UP LATE NEXT WEEK...WITH FAIRLY DECENT SIMILARITY IN THE MASS
FIELDS BETWEEN THE GFS AND ECMWF ESPECIALLY FOR THAT FAR OUT.
HOWEVER...ECMWF LAGS BEHIND JUST A TAD WITH THE FRONT...SO HAVE
NOT YET INCLUDED ANY POPS.

TDP

&&

.HYDROLOGY...

BASED ON THE HEAVY RAIN THAT DEVELOPED YESTERDAY EVENING WITH THE
ISOLATED SHOWERS AND THUNDERSTORMS THAT SET UP ACROSS THE
MOUNTAINS...EXPECT A REPEAT PERFORMANCE WITH BETTER COVERAGE (DUE
TO INCREASED INSTABILITY AND WEAKENING PRESSURE FIELD) LATER
TODAY. AS THE FRONT APPROACHES LATE TONIGHT INTO EARLY SATURDAY
MORNING...AND THE CAD SETS UP ACROSS NORTHEAST GEORGIA...THE
POTENTIAL FOR HEAVY RAIN BEGINS TO INCREASE WITH INCREASING
ISENTROPIC LIFT. BASED ON CURRENT GUIDANCE...BEST CHANCE FOR
HEAVY RAIN IS LATE SATURDAY...WITH THE FORECAST 3-DAY BASIN
AVERAGE QPF RANGING FROM 1-2 INCHES. KEEP IN MIND THIS IS BASIN-
AVERAGE (FOR MAINSTEM RIVER BASINS) SO IT IS VERY LIKELY THAT
MANY AREAS WILL RECEIVE HIGHER AMOUNTS. CONCERN COMES FROM THE
FACT THAT QPF WAS WAY UNDERDONE LAST WEEKEND. GIVEN THIS...THE
PRIMED SOILS...THE WIDESPREAD LIFT INCLUDING SYNOPTIC...
ISENTROPIC...AND OROGRAPHIC...SOME INSTABILITY...AND THE CAD...
HAVE DECIDED TO ISSUE FLASH FLOOD WATCH BEGINNING THIS AFTERNOON
THROUGH EARLY SUNDAY MORNING. THUNDERSTORMS THAT DEVELOPED NORTH
OF HERE THURSDAY EVENING HELPED MAKE THE DECISION TO GO WITH A
FLASH FLOOD WATCH INSTEAD OF A FLOOD WATCH...AS RIVERS AND CREEKS
WILL BE ABLE TO RESPOND RAPIDLY. FEEL THAT THE HEAVIEST RAIN WILL
BE IN EXTREME NORTH GEORGIA AND ESPECIALLY IN THE MOUNTAINS...BUT
WITH RIVERS AND CREEKS THAT HAVE RECENTLY RECEDED (OR ARE STILL
RECEDING) FELT IT BEST TO INCLUDE THE METRO ATLANTA AREA AS WELL.
IF EVEN A SINGLE THUNDERSTORM SETS UP OVER AREAS THAT SAW
SIGNIFICANT RAINFALL LAST WEEKEND...IT COULD CAUSE PROBLEMS.
ENDING TIME OF THE WATCH A BIT OF A GUESS BASED ON THE PROGS...
AND MAY NEED TO BE ADJUSTED WITH LATER UPDATES.

TDP

&&

.PRELIMINARY POINT TEMPS/POPS...
ATHENS          88  67  75  63  84 /  40  50  80  60  20
ATLANTA         85  70  76  64  81 /  40  50  80  60  20
BLAIRSVILLE     82  65  70  59  77 /  50  60  90  60  20
CARTERSVILLE    85  68  74  60  80 /  50  60  90  60  20
COLUMBUS        89  72  86  69  87 /  30  30  70  50  20
GAINESVILLE     84  66  71  62  81 /  50  60  90  60  20
MACON           90  71  83  69  86 /  30  30  60  60  30
ROME            84  70  76  63  81 /  50  60  90  60  10
PEACHTREE CITY  85  69  77  63  82 /  40  40  80  60  20
VIDALIA         91  71  86  69  87 /  20  20  50  50  40

&&

.FFC WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FROM THIS AFTERNOON THROUGH LATE SATURDAY
NIGHT FOR THE FOLLOWING ZONES: BANKS...BARROW...BARTOW...
CARROLL...CATOOSA...CHATTOOGA...CHEROKEE...CLARKE...CLAYTON...
COBB...COWETA...DADE...DAWSON...DEKALB...DOUGLAS...FANNIN...
FAYETTE...FLOYD...FORSYTH...GILMER...GORDON...GWINNETT...HALL...
HARALSON...HEARD...HENRY...JACKSON...LUMPKIN...MADISON...
MURRAY...NEWTON...NORTH FULTON...OCONEE...PAULDING...PICKENS...
POLK...ROCKDALE...SOUTH FULTON...TOWNS...UNION...WALKER...
WALTON...WHITE...WHITFIELD.

&&
Hazardous weather outlook, Sep 24, 8:11 PM EDT, 7 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
811 PM EDT THU SEP 24 2009

GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-260015-
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-
811 PM EDT THU SEP 24 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH AND CENTRAL GEORGIA.

.DAY ONE...TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SYNOPSIS...
A WEAK PRESSURE PATTERN WILL PERSIST OVER THE REGION THROUGH
TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
THERE WILL BE A CHANCE FOR THUNDERSTORMS ON FRIDAY AND SATURDAY.
HEAVY RAIN IS POSSIBLE ON SATURDAY. NO HAZARDOUS WEATHER IS
EXPECTED SUNDAY INTO WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

Nearby

Flash Flood Watches in Georgia, 2009Every flash flood watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.