Alert archive / Georgia / Flash Flood Warnings in 2024

Flash Flood Warning 4, NWS Atlanta, GA

February 12, 20249 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Feb 12, 2024, 3:17 AM EST for 9 counties in Georgia. It was in force for 6 hr. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 12, 2024, 3:17 AM EST (08:17 UTC)
Expired
Feb 12, 2024, 9:07 AM EST
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Clayton County, GA, Coweta County, GA, Fayette County, GA, Heard County, GA, Henry County, GA, Meriwether County, GA, Pike County, GA, Spalding County, GA, Troup County, GA

The radar

The Atlanta radar (KFFC), 14 km from the middle of the area, began a volume at 08:19 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.

What was reported inside it

TimeReportWhereRemark
Feb 12, 4:00 AM ESTFLASH FLOOD2 E Big Springs, GACorrects previous flash flood report from 2 E Big Springs. Dallas Mill Rd flooded as Big Springs Creek overflowed its banks.
Feb 12, 5:00 AM ESTFLASH FLOOD1 Ne Hollonville, GAScott Rd closed due to flooding.
Feb 12, 5:00 AM ESTFLASH FLOOD1 Wnw Birdie, GAEvacuations were necessary for 12 homes on Valley Hill Rd due to road flooding from a compromised culvert. No homes were flooded.
Feb 12, 5:00 AM ESTFLASH FLOOD2 Se Williamson, GAHunter Rd closed due to flooding.
Feb 12, 5:00 AM ESTFLASH FLOOD2 Sse Hollonville, GATurner Rd closed between Concord Rd and Milner Rd due to flooding.
Feb 12, 5:00 AM ESTFLASH FLOOD3 Wnw Williamson, GABethany Church Rd closed between Dunbar School Rd and Jonathans Roost Rd due to flooding.
Feb 12, 6:00 AM ESTFLASH FLOOD1 Nw Powers Crossroads, GAA bridge was reported underwater near the intersection of George Brown Rd and Joe Stephens Rd.
Feb 12, 6:00 AM ESTFLASH FLOOD1 Sse Texas, GACorrects previous flash flood report from 1 SSE Texas. Lipham Road was flooded in at least two locations. A bridge was washed out as Brush Creek overflowed its banks.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 8.3 hours before the alert went out and 195 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, Birmingham, AL at 00:00Z on 2024-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 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, Birmingham, AL at 00:00Z on 2024-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.1939587897117Sfc1 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
29 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

112 
WGUS52 KFFC 120817
FFWFFC
GAC063-077-113-149-151-199-231-255-285-121415-
/O.NEW.KFFC.FF.W.0004.240212T0817Z-240212T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
317 AM EST Mon Feb 12 2024

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Southeastern Clayton County in north central Georgia...
  Fayette County in north central Georgia...
  Southwestern Henry County in north central Georgia...
  Coweta County in west central Georgia...
  Heard County in west central Georgia...
  Meriwether County in west central Georgia...
  Northern Pike County in west central Georgia...
  Spalding County in west central Georgia...
  Troup County in west central Georgia...

* Until 915 AM EST.

* At 317 AM EST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 3.5 inches of 
  rain have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Newnan, LaGrange, Griffin, McDonough, Fayetteville, Franklin, 
  Greenville, Peachtree City, Stockbridge, Hampton, Tyrone, Lovejoy, 
  Locust Grove, Senoia, Hogansville, Grantville, Woodbury, 
  Luthersville, Brooks and Centralhatchee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3349 8482 3349 8419 3336 8402 3300 8452
      3290 8519 3331 8527

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
560 
WGUS72 KFFC 121407
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
907 AM EST Mon Feb 12 2024

GAC063-077-113-149-151-199-231-255-285-121417-
/O.CAN.KFFC.FF.W.0004.000000T0000Z-240212T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clayton GA-Coweta GA-Fayette GA-Heard GA-Henry GA-Meriwether GA-
Pike GA-Spalding GA-Troup GA-
907 AM EST Mon Feb 12 2024

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN CLAYTON, 
FAYETTE, SOUTHWESTERN HENRY, COWETA, HEARD, MERIWETHER, NORTHERN 
PIKE, SPALDING AND TROUP COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

A Flood Watch remains in effect until 700 PM EST Monday for much of 
north and central Georgia.

LAT...LON 3349 8482 3349 8419 3336 8402 3300 8452
      3290 8519 3331 8527

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 7:15 PM ESTFlash Flood WarningFFCHarris, Muscogee3 hr
Feb 12, 12:01 AM ESTSpecial Weather StatementFFCCarroll, Haralson29 min
Feb 12, 12:28 AM ESTSpecial Weather StatementFFCCarroll, Cobb, Douglas, Fulton32 min
Feb 12, 1:07 AM ESTSpecial Weather StatementFFCMeriwether23 min
Feb 12, 3:44 AM ESTFlash Flood WarningFFCHarris, Lamar, Meriwether, Pike, Spalding, Talbot and 2 more6 hr
Feb 12, 5:28 AM ESTFlash Flood WarningFFCBibb, Houston, Jones, Monroe, Peach, Twiggs6 hr
Feb 12, 5:42 AM ESTRiver Flood WarningFFCForsyth, Fulton48 hr
Feb 12, 5:44 AM ESTRiver Flood WarningFFCFayette, Spalding64 hr
Feb 12, 6:21 AM ESTFlash Flood WarningFFCChattahoochee, Harris, Marion, Muscogee, Talbot6 hr
Feb 12, 6:54 AM ESTRiver Flood WarningFFCLamar, Spalding7 hr
Feb 12, 8:06 AM ESTRiver Flood WarningFFCBibb, Houston, Jones, Monroe, Twiggs4 days
Feb 12, 8:23 AM ESTRiver Flood WarningFFCChattahoochee, Muscogee61 hr
Feb 12, 8:35 AM ESTSpecial Weather StatementFFCClayton, Cobb, DeKalb, Fulton, Gwinnett, Rockdale55 min
Feb 12, 8:36 AM ESTRiver Flood WarningFFCTroup36 hr
Feb 12, 8:45 AM ESTSpecial Weather StatementFFCClarke, Greene, Hancock, Morgan, Oconee, Oglethorpe and 4 more60 min
Feb 12, 9:05 AM ESTRiver Flood WarningFFCCrawford, Talbot, Taylor, Upson3 days
Feb 12, 10:07 AM ESTRiver Flood WarningFFCCoweta, Fayette16 hr
Feb 12, 10:17 AM ESTRiver Flood WarningFFCDeKalb, Rockdale12 hr
Feb 12, 10:17 AM ESTRiver Flood WarningFFCNewton, Rockdale34 hr
Feb 12, 10:22 AM ESTRiver Flood WarningFFCTalbot, Upson55 hr
Feb 12, 10:22 AM ESTRiver Flood WarningFFCMeriwether, Pike43 hr
Feb 12, 10:22 AM ESTRiver Flood WarningFFCClayton, Fayette, Spalding34 hr
Feb 12, 10:29 AM ESTRiver Flood WarningFFCChattooga5 hr
Feb 12, 10:41 AM ESTRiver Flood WarningFFCBaldwin, Washington, Wilkinson52 hr
Feb 12, 10:41 AM ESTRiver Flood WarningFFCJohnson, Washington, Wilkinson21 days
Feb 12, 10:41 AM ESTRiver Flood WarningFFCGreene, Oconee, Oglethorpe3 days
Feb 12, 10:41 AM ESTRiver Flood WarningFFCJohnson, Laurens, Washington, Wilkinson7 days
Feb 12, 10:46 AM ESTRiver Flood WarningFFCBarrow, Jackson33 hr
Feb 12, 11:03 AM ESTRiver Flood WarningFFCForsyth22 hr
Feb 12, 11:07 AM ESTRiver Flood WarningFFCCoweta, Fayette, Spalding21 days
Feb 12, 11:24 AM ESTRiver Flood WarningFFCWhitfield5 hr
Feb 12, 2:29 PM ESTWind AdvisoryFFCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 51 more22 hr
Feb 12, 2:34 PM ESTRiver Flood WarningFFCJones18 hr
Feb 12, 3:41 PM ESTRiver Flood WarningFFCMorgan, Newton4 hr
Feb 12, 5:37 PM ESTRiver Flood WarningFFCHeard20 hr
Feb 12, 6:04 PM ESTSpecial Weather StatementFFCDade, Walker41 min
Feb 12, 6:17 PM ESTSpecial Weather StatementFFCChattooga, Floyd, Haralson, Polk28 min
Feb 12, 6:42 PM ESTSpecial Weather StatementFFCBartow, Catoosa, Floyd, Gordon, Murray, Whitfield48 min
Feb 12, 6:45 PM ESTSpecial Weather StatementFFCCarroll, Haralson, Heard, Paulding, Polk45 min

Nearby

Flash Flood Warnings in Georgia, 2024Every flash flood warning in 2024

Sources

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