Alert archive / Georgia / Flash Flood Warnings in 2026
Flash Flood Warning 4, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Feb 27, 2026, 12:23 AM EST for 4 counties in Georgia. It was in force for 6 hr. 1 report 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 27, 2026, 12:23 AM EST (05:23 UTC)
- Expired
- Feb 27, 2026, 6:30 AM EST
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cobb County, GA, DeKalb County, GA, Fulton County, GA, Gwinnett County, GA
The radar
The Atlanta radar (KFFC), 53 km from the middle of the area, began a volume at 05:23 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 27, 1:00 AM EST | FLASH FLOOD | Buckhead, GA | Broadcast media reports flooding along Pharr Road near the intersection with Peachtree Road. Pictures show over one foot deep of standing water and stranded vehicles. Radar estimates indicate over 2 inches of rainfall quickly fell in the area. |
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, 5.4 hours before the alert went out and 51 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.
- Mixed-layer CAPE
- 231 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
917
WGUS52 KFFC 270523
FFWFFC
GAC067-089-121-135-271130-
/O.NEW.KFFC.FF.W.0004.260227T0523Z-260227T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1223 AM EST Fri Feb 27 2026
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Southeastern Cobb County in north central Georgia...
Northwestern DeKalb County in north central Georgia...
Central Fulton County in north central Georgia...
Southwestern Gwinnett County in north central Georgia...
* Until 630 AM EST Friday.
* At 1223 AM EST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 1 inch of rain has fallen.
The expected rainfall rate is 1 inch in 1 hour. 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...
Atlanta, Marietta, Decatur, Peachtree Corners, Sandy Springs,
Roswell, Smyrna, Dunwoody, Chamblee, Norcross, Doraville,
Clarkston, Stone Mountain, Pine Lake, North Atlanta, North Druid
Hills and Midtown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3376 8455 3388 8464 3402 8426 3380 8410
3374 8454
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1 INCH IN 1 HOUR
$$2 follow-up statements
173
WGUS72 KFFC 270750
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
250 AM EST Fri Feb 27 2026
GAC067-089-121-135-271130-
/O.CON.KFFC.FF.W.0004.000000T0000Z-260227T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cobb GA-DeKalb GA-Fulton GA-Gwinnett GA-
250 AM EST Fri Feb 27 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM EST THIS
MORNING FOR SOUTHEASTERN COBB, NORTHWESTERN DEKALB, CENTRAL FULTON
AND SOUTHWESTERN GWINNETT COUNTIES...
At 250 AM EST, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to 1 inch of rain has fallen. The
expected rainfall rate is 1 inch in 1 hour. Additional rainfall
amounts of 1 to 2 inches are possible in the warned area. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Atlanta, Marietta, Decatur, Peachtree Corners, Sandy Springs,
Roswell, Smyrna, Dunwoody, Chamblee, Norcross, Doraville,
Clarkston, Stone Mountain, Pine Lake, North Atlanta, North Druid
Hills and Midtown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3376 8455 3388 8464 3402 8426 3380 8410
3374 8454
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1 INCH IN 1 HOUR
$$239
WGUS72 KFFC 271139
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
639 AM EST Fri Feb 27 2026
GAC067-089-121-135-271149-
/O.EXP.KFFC.FF.W.0004.000000T0000Z-260227T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cobb GA-DeKalb GA-Fulton GA-Gwinnett GA-
639 AM EST Fri Feb 27 2026
...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHEASTERN COBB,
NORTHWESTERN DEKALB, CENTRAL FULTON AND SOUTHWESTERN GWINNETT
COUNTIES...
The heavy rain has ended. Please continue to heed any remaining road
closures.
&&
LAT...LON 3376 8455 3388 8464 3402 8426 3380 8410
3374 8454
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 7:07 PM EST | Special Weather Statement | FFC | Gordon | 23 min |
| Feb 26, 7:11 PM EST | Special Weather Statement | FFC | Floyd | 34 min |
| Feb 26, 7:27 PM EST | Special Weather Statement | FFC | Pickens | 33 min |
| Feb 26, 7:40 PM EST | Severe Thunderstorm Warning | FFC | Dawson, Fannin, Gilmer, Lumpkin, Pickens | 50 min |
| Feb 26, 11:22 PM EST | Special Weather Statement | FFC | Douglas | 23 min |
| Feb 27, 1:27 AM EST | River Flood Warning | FFC | DeKalb, Fulton | 10 hr |
| Feb 27, 2:12 AM EST | Special Weather Statement | FFC | Meriwether | 33 min |
| Feb 27, 6:01 AM EST | River Flood Warning | FFC | DeKalb, Rockdale | 6 hr |
| Feb 27, 6:03 AM EST | River Flood Warning | FFC | Forsyth | 10 hr |
| Feb 27, 6:48 AM EST | River Flood Warning | FFC | Forsyth, Fulton | 36 hr |
| Feb 27, 12:36 PM EST | River Flood Warning | FFC | DeKalb, Rockdale | 8 hr |
| Feb 27, 3:10 PM EST | River Flood Warning | FFC | Newton, Rockdale | 28 hr |
| Feb 27, 5:27 PM EST | River Flood Warning | FFC | Gwinnett | 3 hr |
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.