Alert archive / Georgia / Flash Flood Warnings in 2009

Flash Flood Warning 10, NWS Atlanta, GA

August 28, 20095 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 28, 2009, 7:15 AM EDT for 5 counties in Georgia. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 28, 2009, 7:15 AM EDT (11:15 UTC)
Expired
Aug 28, 2009, 1:15 PM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Meriwether County, GA, Pike County, GA, Talbot County, GA, Taylor County, GA, Upson County, GA

The radar

The Atlanta radar (KFFC), 32 km from the middle of the area, began a volume at 11:14 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, 11.3 hours before the alert went out and 32 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 2009-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 510 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2009-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.193958Sfc1 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
510 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
738 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
22 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.

000 
WGUS52 KFFC 281115
FFWFFC
GAC199-231-263-269-293-281715-
/O.NEW.KFFC.FF.W.0010.090828T1115Z-090828T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
715 AM EDT FRI AUG 28 2009

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN MERIWETHER COUNTY IN WEST CENTRAL GEORGIA
  PIKE COUNTY IN WEST CENTRAL GEORGIA
  TALBOT COUNTY IN WEST CENTRAL GEORGIA
  NORTHWESTERN TAYLOR COUNTY IN WEST CENTRAL GEORGIA
  WESTERN UPSON COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 115 PM EDT FRIDAY

* AT 703 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  POTENTIAL FLASH FLOODING FROM NUMEROUS THUNDERSTORMS WITH HEAVY    
  RAIN OVER THE WARNED AREA. RAINFALL AMOUNTS OF 2 TO 3 INCHES HAS   
  OCCURRED SINCE 400 AM EDT. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 
  2 INCHES CAN BE EXPECTED OVER THE WARNED AREA THIS MORNING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  THOMASTON...CONCORD...MEANSVILLE...MOLENA...WILLIAMSON...ZEBULON...
  WOODBURY AND GAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...AS WELL AS HIGHWAYS AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3322 8450 3321 8449 3319 8449 3321 8443
      3320 8437 3319 8436 3319 8429 3258 8422
      3256 8458 3322 8465

$$
3 follow-up statements
000 
WGUS72 KFFC 281231
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
831 AM EDT FRI AUG 28 2009

GAC199-231-263-269-293-281715-
/O.CON.KFFC.FF.W.0010.000000T0000Z-090828T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAYLOR GA-TALBOT GA-UPSON GA-PIKE GA-MERIWETHER GA-
831 AM EDT FRI AUG 28 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM EDT FOR
EASTERN MERIWETHER...PIKE...WESTERN UPSON...TALBOT AND NORTHWESTERN
TAYLOR COUNTIES...

AT 818 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE NUMEROUS THUNDERSTORMS WITH HEAVY RAIN PRODUCING POTENTIAL 
FLASH FLOODING OVER THE WARNED AREA. RAINFALL AMOUNTS OF 3 TO 4 
INCHES HAS OCCURRED IN THE WARNED AREA SINCE 400 AM EDT THIS 
MORNING. ANOTHER INCH OF RAIN CAN BE EXPECTED THROUGH THE MORNING.

BIRCH...ELKINS...AND POWDER CREEKS IN PIKE COUNTY...AND WILLINGHAM 
SPRING...POTATO...AND HURRICANE CREEKS IN UPSON COUNTY SHOULD BE IN 
MINOR FLOOD THIS MORNING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CONCORD...WILLIAMSON...ZEBULON AND GAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3322 8450 3321 8449 3319 8449 3321 8443
      3320 8437 3319 8436 3319 8429 3258 8422
      3256 8458 3322 8465

$$

16/31
000 
WGUS72 KFFC 281415
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1015 AM EDT FRI AUG 28 2009

GAC199-231-263-269-293-281715-
/O.CON.KFFC.FF.W.0010.000000T0000Z-090828T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAYLOR GA-TALBOT GA-UPSON GA-PIKE GA-MERIWETHER GA-
1015 AM EDT FRI AUG 28 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM EDT FOR
EASTERN MERIWETHER...PIKE...WESTERN UPSON...TALBOT AND NORTHWESTERN
TAYLOR COUNTIES...

AT 1003 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE LIGHT TO MODERATE SHOWERS MOVING OVER THE WARNED AREA. 
RAINFALL AMOUNTS OF 3 TO 5 INCHES HAS OCCURRED SINCE 400 AM EDT THIS 
MORNING. ADDITIONAL RAINFALL AMOUNTS OF LESS THAN ONE HALF INCH IS 
EXPECTED THROUGH NOON TODAY.

BIRCH...ELKINS...AND POWDER CREEKS IN PIKE COUNTY...AND WILLINGHAM 
SPRING...POTATO...AND HURRICANE CREEKS IN UPSON COUNTY...AND 
RICHLAND CREEK IN TALBOT COUNTY SHOULD BE IN MINOR FLOOD THIS 
MORNING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CONCORD...WILLIAMSON...ZEBULON AND GAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3322 8450 3321 8449 3319 8449 3321 8443
      3320 8437 3319 8436 3319 8429 3258 8422
      3256 8458 3322 8465

$$

16/31
000 
WGUS72 KFFC 281644
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1244 PM EDT FRI AUG 28 2009

GAC199-231-263-269-293-281715-
/O.CON.KFFC.FF.W.0010.000000T0000Z-090828T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TAYLOR GA-TALBOT GA-UPSON GA-PIKE GA-MERIWETHER GA-
1244 PM EDT FRI AUG 28 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 PM EDT FOR
EASTERN MERIWETHER...PIKE...WESTERN UPSON...TALBOT AND NORTHWESTERN
TAYLOR COUNTIES...

AT 1234 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE LIGHT SHOWERS MOVING OVER THE WARNED AREA. RAINFALL AMOUNTS 
OF 3 TO 5 INCHES HAVE OCCURRED SINCE 400 AM EDT THIS MORNING. 
ADDITIONAL RAINFALL AMOUNTS OF LESS THAN ONE TENTH OF AN INCH ARE 
EXPECTED THROUGH THE EARLY AFTERNOON.

BIRCH...ELKINS...AND POWDER CREEKS IN PIKE COUNTY...AND WILLINGHAM 
SPRING...POTATO...AND HURRICANE CREEKS IN UPSON COUNTY...AND 
RICHLAND CREEK IN TALBOT COUNTY ARE POSSIBLY IN MINOR FLOOD AND WILL 
RECEDE IN THE AFTERNOON.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CONCORD...WILLIAMSON...ZEBULON AND GAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

&&

LAT...LON 3322 8450 3321 8449 3319 8449 3321 8443
      3320 8437 3319 8436 3319 8429 3258 8422
      3256 8458 3322 8465

$$
16

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 28, 8:51 AM EDTFlash Flood WarningFFCClayton, DeKalb, Fulton, Gwinnett, Henry6 hr

Nearby

Flash Flood Warnings in Georgia, 2009Every flash flood warning 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.