Alert archive / Georgia / Flash Flood Warnings in 2026

Flash Flood Warning 8, NWS Atlanta, GA

May 23, 2026Cobb County, Fulton County, Georgia

NWS Atlanta, GA issued this flash flood warning at May 23, 2026, 11:31 PM EDT for Cobb County, Fulton County, Georgia. It was in force for 3 hr. 2 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
May 23, 2026, 11:31 PM EDT (03:31 UTC)
Expired
May 24, 2026, 2:07 AM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Cobb County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 60 km from the middle of the area, began a volume at 03:31 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
May 23, 11:48 PM EDTFLASH FLOOD2 N Truist Park, GADispatch reported a vehicle stuck in water covering portions of the 1300 block of Terrell Mill Road.
May 24, 12:03 AM EDTFLASH FLOOD2 S Mount Bethel, GADispatch reported water covering portions of Columns Drive SE near the intersection of Johnson Ferry Rd SE.

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, 3.5 hours before the alert went out and 59 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 2026-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1137 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 2026-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
1137 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1089 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

889 
WGUS52 KFFC 240331
FFWFFC
GAC067-121-240630-
/O.NEW.KFFC.FF.W.0008.260524T0331Z-260524T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1131 PM EDT Sat May 23 2026

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  East Central Cobb County in north central Georgia...
  Northern Fulton County in north central Georgia...

* Until 230 AM EDT.

* At 1131 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 2 and 3 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...
  Marietta, Sandy Springs, Smyrna, Vinings and Mount Bethel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.

&&

LAT...LON 3385 8446 3384 8452 3399 8450 3399 8438
      3385 8440

FLASH FLOOD...RADAR INDICATED

$$

Culver
1 follow-up statement
023 
WGUS72 KFFC 240607
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
207 AM EDT Sun May 24 2026

GAC067-121-240617-
/O.CAN.KFFC.FF.W.0008.000000T0000Z-260524T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cobb GA-Fulton GA-
207 AM EDT Sun May 24 2026

...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL COBB AND
NORTHERN FULTON COUNTIES...

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

&&

LAT...LON 3385 8446 3384 8452 3399 8450 3399 8438
      3385 8440

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:13 PM EDTSpecial Weather StatementFFCTelfair32 min
May 23, 8:18 PM EDTSpecial Weather StatementFFCTroup27 min
May 23, 8:32 PM EDTSevere Thunderstorm WarningFFCPaulding28 min
May 23, 8:42 PM EDTSpecial Weather StatementFFCLaurens33 min
May 23, 9:02 PM EDTSpecial Weather StatementFFCLaurens28 min
May 23, 9:12 PM EDTSpecial Weather StatementFFCPaulding33 min
May 23, 9:24 PM EDTFlash Flood WarningFFCPaulding2 hr
May 23, 9:27 PM EDTSpecial Weather StatementFFCJohnson, Treutlen33 min
May 24, 12:30 PM EDTFlood WatchFFCBanks, Barrow, Bartow, Bibb, Butts, Carroll and 65 more58 hr
May 24, 2:56 PM EDTSpecial Weather StatementFFCPike34 min
May 24, 2:59 PM EDTSpecial Weather StatementFFCPolk31 min
May 24, 3:16 PM EDTSevere Thunderstorm WarningFFCPike, Upson29 min
May 24, 3:31 PM EDTSevere Thunderstorm WarningFFCLamar, Pike, Upson29 min
May 24, 3:34 PM EDTSpecial Weather StatementFFCChattooga, Floyd26 min
May 24, 3:49 PM EDTSpecial Weather StatementFFCLamar, Upson26 min
May 24, 4:03 PM EDTSpecial Weather StatementFFCGordon27 min
May 24, 4:05 PM EDTSpecial Weather StatementFFCBartow25 min
May 24, 4:25 PM EDTSpecial Weather StatementFFCMonroe20 min
May 24, 4:28 PM EDTSpecial Weather StatementFFCCherokee32 min
May 24, 4:31 PM EDTSpecial Weather StatementFFCCatoosa, Gordon, Murray, Whitfield29 min
May 24, 4:57 PM EDTSpecial Weather StatementFFCFayette18 min
May 24, 4:59 PM EDTSpecial Weather StatementFFCJasper16 min
May 24, 5:08 PM EDTSevere Thunderstorm WarningFFCStewart, Sumter, Webster37 min
May 24, 5:21 PM EDTSpecial Weather StatementFFCCobb24 min
May 24, 5:41 PM EDTSevere Thunderstorm WarningFFCMacon, Marion, Schley, Sumter, Webster34 min
May 24, 5:48 PM EDTSpecial Weather StatementFFCCrawford27 min
May 24, 6:04 PM EDTSpecial Weather StatementFFCCrisp, Wilcox26 min
May 24, 6:07 PM EDTSevere Thunderstorm WarningFFCTelfair23 min
May 24, 6:09 PM EDTSpecial Weather StatementFFCDooly21 min
May 24, 6:32 PM EDTSpecial Weather StatementFFCDodge, Dooly, Pulaski28 min
May 24, 6:33 PM EDTSpecial Weather StatementFFCMontgomery, Telfair, Wheeler27 min
May 24, 6:49 PM EDTSpecial Weather StatementFFCBibb26 min
May 24, 6:57 PM EDTSpecial Weather StatementFFCBleckley, Dodge, Houston, Laurens, Montgomery, Pulaski and 2 more33 min
May 24, 7:00 PM EDTSpecial Weather StatementFFCPeach15 min
May 24, 7:15 PM EDTSpecial Weather StatementFFCBibb15 min
May 24, 7:17 PM EDTSpecial Weather StatementFFCTwiggs28 min
May 24, 7:20 PM EDTSpecial Weather StatementFFCEmanuel, Treutlen10 min
May 24, 7:23 PM EDTSevere Thunderstorm WarningFFCBleckley, Twiggs, Wilkinson22 min
May 24, 7:32 PM EDTSpecial Weather StatementFFCJohnson, Treutlen28 min
May 24, 7:46 PM EDTSpecial Weather StatementFFCTwiggs, Wilkinson14 min
May 24, 7:57 PM EDTTornado WarningFFCMadison18 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.