Alert archive / Georgia / Flash Flood Warnings in 2025
Flash Flood Warning 40, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 12, 2025, 6:50 PM EDT for Catoosa County, Walker County, 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
- Aug 12, 2025, 6:50 PM EDT (22:50 UTC)
- Expired
- Aug 13, 2025, 12:45 AM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Catoosa County, GA, Walker County, GA
The radar
The Northeast Alabama radar (KHTX), 79 km from the middle of the area, began a volume at 22:50 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 |
|---|---|---|---|
| Aug 12, 7:45 PM EDT | FLASH FLOOD | 1 Ene Fort Oglethorpe, GA | Water inundating apartment complex with water rescue at Fant Drive and Battlefield Parkway. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.8 hours before the alert went out and 180 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
- 1037 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
823
WGUS52 KFFC 122250
FFWFFC
GAC047-295-130445-
/O.NEW.KFFC.FF.W.0040.250812T2250Z-250813T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
650 PM EDT Tue Aug 12 2025
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Northwestern Catoosa County in northwestern Georgia...
North Central Walker County in northwestern Georgia...
* Until 1245 AM EDT.
* At 650 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3.5 and 4 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...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Ringgold, Fort Oglethorpe, Chattanooga Valley, Boynton, Indian
Springs, Graysville, Lakeview, Fairview and Chattanooga Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3498 8526 3499 8519 3499 8503 3490 8510
3490 8536 3498 8533
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$1 follow-up statement
812
WGUS72 KFFC 130444 RRB
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1244 AM EDT Wed Aug 13 2025
GAC047-295-130454-
/O.EXP.KFFC.FF.W.0040.000000T0000Z-250813T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Catoosa GA-Walker GA-
1244 AM EDT Wed Aug 13 2025
...FLASH FLOOD WARNING WILL EXPIRE AT 1245 AM EDT EARLY THIS MORNING
FOR NORTHWESTERN CATOOSA AND NORTH CENTRAL WALKER COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 3498 8526 3499 8519 3499 8503 3490 8510
3490 8536 3498 8533
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 8:17 PM EDT | Special Weather Statement | FFC | Jasper, Putnam | 28 min |
| Aug 12, 4:41 PM EDT | Special Weather Statement | FFC | Carroll | 34 min |
| Aug 12, 5:45 PM EDT | Flash Flood Warning | FFC | Catoosa, Walker | 7 hr |
| Aug 12, 6:37 PM EDT | Flash Flood Warning | FFC | Catoosa | 6 hr |
| Aug 12, 6:43 PM EDT | Special Weather Statement | FFC | White | 32 min |
| Aug 12, 6:47 PM EDT | Severe Thunderstorm Warning | FFC | Lumpkin, Union, White | 43 min |
| Aug 12, 7:47 PM EDT | Special Weather Statement | FFC | Barrow, Jackson | 28 min |
Nearby
Flash Flood Warnings in Georgia, 2025Every flash flood warning in 2025
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.