Alert archive / Georgia / Flash Flood Warnings in 2025

Flash Flood Warning 41, NWS Atlanta, GA

August 15, 2025Hall County, White County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 15, 2025, 6:29 PM EDT for Hall County, White County, Georgia. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 15, 2025, 6:29 PM EDT (22:29 UTC)
Expired
Aug 15, 2025, 10:38 PM EDT
In force
4 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Hall County, GA, White County, GA

The radar

The Greer radar (KGSP), 144 km from the middle of the area, began a volume at 22:32 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.5 hours before the alert went out and 149 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 12:00Z on 2025-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1292 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 12:00Z on 2025-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
1292 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
988 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.1

Open this sounding in Storm Lab

The text

As transmitted.

158 
WGUS52 KFFC 152229
FFWFFC
GAC139-311-160430-
/O.NEW.KFFC.FF.W.0041.250815T2229Z-250816T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
629 PM EDT Fri Aug 15 2025

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Northeastern Hall County in north central Georgia...
  Southern White County in northeastern Georgia...

* Until 1230 AM EDT Saturday.

* At 629 PM EDT, the public reported thunderstorms producing heavy 
  rain across the warned area. The expected rainfall rate is 1.5 to 
  2.5 inches in 1 hour. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Public reported.

  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...
  Cleveland, Clermont, Mossy Creek and Leaf.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3458 8386 3467 8376 3467 8365 3465 8366
      3462 8364 3461 8365 3458 8364 3455 8362
      3454 8362 3453 8363 3451 8367 3447 8364
      3444 8381 3449 8385 3452 8384 3452 8383
      3453 8383 3453 8384 3454 8384 3455 8386

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL RATE...1.5-2.5 INCHES IN 1 HOUR

$$
1 follow-up statement
990 
WGUS72 KFFC 160238
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
1038 PM EDT Fri Aug 15 2025

GAC139-311-160248-
/O.CAN.KFFC.FF.W.0041.000000T0000Z-250816T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hall GA-White GA-
1038 PM EDT Fri Aug 15 2025

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN HALL AND 
SOUTHERN WHITE COUNTIES...

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

&&

LAT...LON 3458 8386 3467 8376 3467 8365 3465 8366
      3462 8364 3461 8365 3458 8364 3455 8362
      3454 8362 3453 8363 3451 8367 3447 8364
      3444 8381 3449 8385 3452 8384 3452 8383
      3453 8383 3453 8384 3454 8384 3455 8386

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 3:50 PM EDTSpecial Weather StatementFFCMurray40 min
Aug 15, 4:30 PM EDTSpecial Weather StatementFFCHeard45 min
Aug 15, 6:01 PM EDTSpecial Weather StatementFFCWhite44 min
Aug 15, 6:33 PM EDTSpecial Weather StatementFFCClayton42 min
Aug 15, 7:20 PM EDTSpecial Weather StatementFFCFulton40 min
Aug 15, 7:55 PM EDTSpecial Weather StatementFFCWilkes50 min
Aug 15, 7:59 PM EDTSpecial Weather StatementFFCEmanuel31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.