Alert archive / Georgia / Flash Flood Warnings in 2026

Flash Flood Warning 62, NWS Atlanta, GA

August 21, 2026Catoosa County, Dade County, Walker County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 21, 2026, 12:35 AM EDT for Catoosa County, Dade County, Walker County, Georgia. It was in force for 4 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
Aug 21, 2026, 12:35 AM EDT (04:35 UTC)
Expired
Aug 21, 2026, 4:30 AM EDT
In force
4 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Catoosa County, GA, Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 84 km from the middle of the area, began a volume at 04:38 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
Aug 21, 1:00 AM EDTFLASH FLOOD1 Wnw Ringgold, GAFlooding damaged businesses off HWY 41 near South Chickamauga Creek.
Aug 21, 1:05 AM EDTFLASH FLOODRinggold, GADamage from water was observed at several residential homes near Creekside Park in Ringgold, GA.
Aug 21, 1:10 AM EDTFLASH FLOOD1 Wnw Ringgold, GABroadcast media reported damage to an auto repair shop, where flood waters entered the business and moved around vehicles inside. Vehicles were also damaged in the parking lot. Upstream runoff overwhelmed detention areas around 1:05 AM EDT, causing downstream
Aug 21, 1:30 AM EDTFLASH FLOOD1 Wnw Ringgold, GAAbout 3 feet of floodwater rushed through a home on Crickett Ln at 1:30 AM EDT. Several vehicles on the property were also damaged or destroyed. A drainage ditch near the home quickly overflowed.
Aug 21, 1:30 AM EDTFLASH FLOOD2 Wnw Ringgold, GAEmergency manager reported that the Sheriff Office at the 5000 block of Hwy 41 had about 4 inches of water inside. Several patrol cars were moved by rapidly flowing water, and part of the road entrance was washed out.
Aug 21, 1:30 AM EDTFLASH FLOODRinggold, GAFlooding was reported in businesses near the intersection of Lafayette St and Ringgold Rd.
Aug 21, 1:57 AM EDTFLASH FLOOD1 Ne Boynton, GAA photo was shared on social media of deep water across the road at the intersection of Old Mill Rd and Old Mill Ln.
Aug 21, 2:00 AM EDTFLASH FLOOD1 Wnw Ringgold, GAEmergency manager reported that Chapman Rd was closed due to flooding near the intersection with Hwy 41. The road remain closed as of 3:15 PM EDT on 8/21.

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, 4.6 hours before the alert went out and 185 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 2026-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3363 joules per kilogram.LCLEL10008507005003002001001 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 2026-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
3363 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1521 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

192 
WGUS52 KFFC 210435
FFWFFC
GAC047-083-295-210830-
/O.NEW.KFFC.FF.W.0062.260821T0435Z-260821T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1235 AM EDT Fri Aug 21 2026

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Catoosa County in northwestern Georgia...
  Northeastern Dade County in northwestern Georgia...
  North Central Walker County in northwestern Georgia...

* Until 430 AM EDT.

* At 1235 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 2 and 2.5 inches of rain
  have fallen. Additional rainfall amounts of 1 to 2 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...
  Ringgold, Fort Oglethorpe, Rossville, Lookout Mountain, Chattanooga
  Valley, Boynton, Indian Springs, Graysville, Lakeview, Fairview,
  Chattanooga  Valley and Wildwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3493 8540 3498 8542 3499 8513 3499 8498
      3497 8498 3497 8500 3495 8500 3488 8506
      3488 8514 3490 8526

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
276 
WGUS72 KFFC 210827
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
427 AM EDT Fri Aug 21 2026

GAC047-083-295-210837-
/O.EXP.KFFC.FF.W.0062.000000T0000Z-260821T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Catoosa GA-Dade GA-Walker GA-
427 AM EDT Fri Aug 21 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 430 AM EDT EARLY THIS MORNING
FOR CATOOSA, NORTHEASTERN DADE AND NORTH CENTRAL WALKER COUNTIES...

Light rain may continue for another 30 minutes to an hour across
parts of Catoosa County but the heavy rainfall threat has ended.
Continue to heed to any road closures and use caution if traveling.

&&

LAT...LON 3493 8540 3498 8542 3499 8513 3499 8498
      3497 8498 3497 8500 3495 8500 3488 8506
      3488 8514 3490 8526

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 8:34 PM EDTSpecial Weather StatementFFCWebster26 min
Aug 20, 9:07 PM EDTSpecial Weather StatementFFCTaylor23 min
Aug 20, 11:19 PM EDTSpecial Weather StatementFFCCatoosa26 min
Aug 20, 11:23 PM EDTSevere Thunderstorm WarningFFCCatoosa, Dade, Walker37 min
Aug 20, 11:46 PM EDTSpecial Weather StatementFFCCatoosa29 min
Aug 20, 11:53 PM EDTSevere Thunderstorm WarningFFCCatoosa, Whitfield37 min
Aug 21, 12:00 AM EDTSpecial Weather StatementFFCDade30 min
Aug 21, 12:33 AM EDTSevere Thunderstorm WarningFFCCatoosa, Whitfield42 min
Aug 21, 12:37 AM EDTSpecial Weather StatementFFCDade23 min
Aug 21, 12:53 AM EDTSevere Thunderstorm WarningFFCChattooga, Dade, Walker37 min
Aug 21, 1:02 AM EDTFlash Flood Warning Considerable damage threatFFCCatoosa2 hr
Aug 21, 1:11 AM EDTSpecial Weather StatementFFCCatoosa, Dade, Walker, Whitfield34 min
Aug 21, 1:15 AM EDTSevere Thunderstorm WarningFFCChattooga, Floyd45 min
Aug 21, 1:21 AM EDTSevere Thunderstorm WarningFFCCatoosa, Murray, Whitfield39 min
Aug 21, 1:32 AM EDTSpecial Weather StatementFFCChattooga28 min
Aug 21, 1:44 AM EDTSevere Thunderstorm WarningFFCBartow, Chattooga, Floyd, Gordon, Pickens23 min
Aug 21, 2:06 AM EDTSevere Thunderstorm WarningFFCFloyd, Gilmer, Gordon, Murray, Walker, Whitfield39 min
Aug 21, 2:19 AM EDTFlash Flood WarningFFCCatoosa, Walker, Whitfield3 hr
Aug 21, 3:22 AM EDTSpecial Weather StatementFFCCobb38 min
Aug 21, 4:37 AM EDTSpecial Weather StatementFFCBanks23 min
Aug 21, 2:05 PM EDTSpecial Weather StatementFFCJones25 min
Aug 21, 2:14 PM EDTSpecial Weather StatementFFCSumter31 min
Aug 21, 2:15 PM EDTSpecial Weather StatementFFCStewart30 min
Aug 21, 2:15 PM EDTSpecial Weather StatementFFCWebster30 min
Aug 21, 2:20 PM EDTSevere Thunderstorm WarningFFCBaldwin, Jones, Twiggs, Wilkinson40 min
Aug 21, 2:23 PM EDTSevere Thunderstorm WarningFFCMarion, Webster37 min
Aug 21, 2:28 PM EDTSpecial Weather StatementFFCBibb32 min
Aug 21, 2:29 PM EDTSevere Thunderstorm WarningFFCStewart31 min
Aug 21, 2:40 PM EDTSpecial Weather StatementFFCDodge35 min
Aug 21, 2:44 PM EDTSevere Thunderstorm WarningFFCSchley, Sumter, Webster46 min
Aug 21, 2:47 PM EDTSevere Thunderstorm WarningFFCBaldwin, Wilkinson28 min
Aug 21, 2:52 PM EDTSpecial Weather StatementFFCTwiggs23 min
Aug 21, 2:59 PM EDTSevere Thunderstorm WarningFFCTwiggs, Wilkinson46 min
Aug 21, 3:02 PM EDTSevere Thunderstorm WarningFFCMarion, Webster28 min
Aug 21, 3:03 PM EDTSpecial Weather StatementFFCCrisp27 min
Aug 21, 3:05 PM EDTSpecial Weather StatementFFCBibb25 min
Aug 21, 3:06 PM EDTSpecial Weather StatementFFCWashington24 min
Aug 21, 3:07 PM EDTSpecial Weather StatementFFCCarroll23 min
Aug 21, 3:21 PM EDTSpecial Weather StatementFFCCrisp24 min
Aug 21, 3:33 PM EDTSpecial Weather StatementFFCWashington27 min
Aug 21, 3:39 PM EDTSpecial Weather StatementFFCCrisp36 min
Aug 21, 3:41 PM EDTSpecial Weather StatementFFCWebster34 min
Aug 21, 3:43 PM EDTSpecial Weather StatementFFCSumter47 min
Aug 21, 3:45 PM EDTSevere Thunderstorm WarningFFCCrisp30 min
Aug 21, 3:47 PM EDTSpecial Weather StatementFFCWilkinson28 min
Aug 21, 3:50 PM EDTSpecial Weather StatementFFCDooly25 min
Aug 21, 3:56 PM EDTSpecial Weather StatementFFCCarroll34 min
Aug 21, 3:56 PM EDTSpecial Weather StatementFFCLaurens34 min
Aug 21, 4:15 PM EDTSpecial Weather StatementFFCPulaski45 min
Aug 21, 4:17 PM EDTSpecial Weather StatementFFCCoweta28 min
Aug 21, 4:20 PM EDTSpecial Weather StatementFFCJohnson25 min
Aug 21, 4:25 PM EDTSpecial Weather StatementFFCWilcox35 min
Aug 21, 4:32 PM EDTSpecial Weather StatementFFCBleckley, Laurens28 min
Aug 21, 4:36 PM EDTSevere Thunderstorm WarningFFCDodge, Pulaski, Wilcox39 min
Aug 21, 4:45 PM EDTSpecial Weather StatementFFCDouglas30 min
Aug 21, 4:47 PM EDTSpecial Weather StatementFFCLaurens, Treutlen28 min
Aug 21, 4:56 PM EDTSpecial Weather StatementFFCFayette34 min
Aug 21, 4:58 PM EDTSpecial Weather StatementFFCDodge32 min
Aug 21, 5:17 PM EDTSevere Thunderstorm WarningFFCDodge, Laurens, Telfair, Wheeler43 min
Aug 21, 5:22 PM EDTSpecial Weather StatementFFCMonroe23 min
Aug 21, 5:30 PM EDTSpecial Weather StatementFFCSpalding30 min
Aug 21, 5:30 PM EDTSevere Thunderstorm WarningFFCEmanuel, Montgomery, Toombs, Treutlen45 min
Aug 21, 5:35 PM EDTSpecial Weather StatementFFCToombs25 min
Aug 21, 5:36 PM EDTSpecial Weather StatementFFCEmanuel24 min
Aug 21, 5:40 PM EDTSevere Thunderstorm WarningFFCToombs50 min
Aug 21, 5:41 PM EDTSevere Thunderstorm WarningFFCEmanuel49 min
Aug 21, 5:45 PM EDTSpecial Weather StatementFFCBibb, Monroe30 min
Aug 21, 5:56 PM EDTSpecial Weather StatementFFCWheeler49 min
Aug 21, 5:59 PM EDTSpecial Weather StatementFFCLamar31 min
Aug 21, 6:03 PM EDTSpecial Weather StatementFFCButts27 min
Aug 21, 6:20 PM EDTSpecial Weather StatementFFCLamar, Monroe40 min
Aug 21, 6:23 PM EDTSpecial Weather StatementFFCPaulding37 min
Aug 21, 6:25 PM EDTSpecial Weather StatementFFCUpson35 min
Aug 21, 6:42 PM EDTSevere Thunderstorm WarningFFCMeriwether, Talbot, Upson33 min
Aug 21, 6:45 PM EDTSpecial Weather StatementFFCJasper30 min
Aug 21, 7:31 PM EDTSpecial Weather StatementFFCTalbot29 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.