Alert archive / Georgia / Flash Flood Warnings in 2026

Flash Flood Warning 71, NWS Atlanta, GA

September 12, 20264 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Sep 12, 2026, 7:21 AM EDT for 4 counties in Georgia. It was in force for 5 hr. 17 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
Sep 12, 2026, 7:21 AM EDT (11:21 UTC)
Expired
Sep 12, 2026, 12:03 PM EDT
In force
5 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Carroll County, GA, Cobb County, GA, Douglas County, GA, Paulding County, GA

The radar

The Atlanta radar (KFFC), 54 km from the middle of the area, began a volume at 11:22 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
Sep 12, 9:00 AM EDTFLASH FLOODVilla Rica, GAHwy 78 flooded near the 300 block in Villa Rica.
Sep 12, 9:08 AM EDTFLASH FLOODVilla Rica, GAStreet flooding around the 200 Block of Wilson Mill Dr.
Sep 12, 9:30 AM EDTFLASH FLOOD2 S Villa Rica, GA6 in of water covering the 3000 block of W Liberty Rd.
Sep 12, 9:50 AM EDTFLASH FLOOD1 Sse Lake Val-Do-Mar, GATyson Rd and Veterans Memorial HWY flooding on the roadway near the train tracks.
Sep 12, 10:00 AM EDTFLASH FLOOD1 Wnw Lake Val-Do-Mar, GARoad washed out Harmon Springs Dr at Shoreline Pkwy.
Sep 12, 10:00 AM EDTFLASH FLOODVilla Rica, GACorrects previous flash flood report from Villa Rica. Hwy 78 flooded near the 300 block in Villa Rica.
Sep 12, 10:15 AM EDTFLASH FLOODVilla Rica, GAStreet flooding near the intersection of Westview Dr and Village Ln.
Sep 12, 10:23 AM EDTRAIN 4Villa Rica, GAPicture sent on Twitter.
Sep 12, 10:30 AM EDTFLASH FLOOD3 Nw Treasure Lake, GAWater across Kinney Lake Rd.
Sep 12, 10:35 AM EDTFLASH FLOOD3 S Villa Rica, GABay Springs Rd at Daniel Road to 61 closed due to flash flooding.
Sep 12, 10:40 AM EDTFLASH FLOOD2 W Villa Rica, GASouth Van Wert from Church Rd to 78 closed due to flooding.
Sep 12, 10:40 AM EDTFLASH FLOOD3 Nw Treasure Lake, GA400 block of Kinley Lake Road closed due to flooding.
Sep 12, 10:45 AM EDTFLASH FLOOD4 Se Temple, GAPleasant Grove Road at McPherson Road closed due to flooded roadway.
Sep 12, 11:00 AM EDTFLASH FLOOD3 Ne Treasure Lake, GAW Union Hill Rd impassable at the Dog River Bridge. Water across road.
Sep 12, 11:00 AM EDTFLASH FLOOD4 Sse Villa Rica, GACole Rd is flooded and closed.
Sep 12, 11:30 AM EDTFLASH FLOOD2 Nnw Villa Rica, GATree down across McCurdy Rd near Harlan Ln.
Sep 12, 12:00 PM EDTFLASH FLOOD2 Wsw Winston, GASouth McKoy road washed away near the 3000 Block.

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 11.4 hours before the alert went out and 58 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 2026-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 457 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 2026-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
457 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
650 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

891 
WGUS52 KFFC 121121
FFWFFC
GAC045-067-097-223-121715-
/O.NEW.KFFC.FF.W.0071.260912T1121Z-260912T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
721 AM EDT Sat Sep 12 2026

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Southwestern Cobb County in north central Georgia...
  Northwestern Douglas County in north central Georgia...
  Central Carroll County in northwestern Georgia...
  Southeastern Paulding County in northwestern Georgia...

* Until 115 PM EDT.

* At 721 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 2 inches of rain
  have fallen. Additional rainfall amounts of 1 to 3 inches are
  possible in the warned area. Flash flooding is ongoing or expected
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  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...
  Douglasville, Carrollton, Dallas, Villa Rica, Powder Springs,
  Austell, Temple, Hiram, Mount Zion, Lithia Springs, Lake
  Val-Do-Mar, Winston, New Georgia, Bill Arp, Treasure Lake,
  Brownsville, Abilene, Lost Mountain Park and Due West.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3374 8505 3401 8472 3389 8455 3371 8470
      3362 8488 3349 8508 3360 8522 3370 8510
      3371 8507 3372 8507 3371 8505

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
818 
WGUS72 KFFC 121603
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
1203 PM EDT Sat Sep 12 2026

GAC045-067-097-223-121613-
/O.CAN.KFFC.FF.W.0071.000000T0000Z-260912T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll GA-Cobb GA-Douglas GA-Paulding GA-
1203 PM EDT Sat Sep 12 2026

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN COBB,
NORTHWESTERN DOUGLAS, CENTRAL CARROLL AND SOUTHEASTERN PAULDING
COUNTIES...

The heavy rain has ended but light rainfall continues. Additional
waves of potentially heavy rainfall may occur in the area later this
afternoon. Please continue to heed remaining road closures.

&&

LAT...LON 3374 8505 3401 8472 3389 8455 3371 8470
      3362 8488 3349 8508 3360 8522 3370 8510
      3371 8507 3372 8507 3371 8505

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 9:34 AM EDTFlash Flood Warning Considerable damage threatFFCCarroll, Douglas95 min
Sep 12, 9:39 AM EDTFlash Flood WarningFFCCobb, DeKalb, Douglas, Fulton3 hr
Sep 12, 10:23 AM EDTFlash Flood Warning Considerable damage threatFFCCobb, DeKalb, Fulton69 min
Sep 12, 12:32 PM EDTRiver Flood WarningFFCCobb3 hr
Sep 12, 3:42 PM EDTSpecial Weather StatementFFCLaurens33 min

Nearby

Flash Flood Warnings in Georgia, 2026Every flash flood warning in 2026

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.