Alert archive / Georgia / Flash Flood Warnings in 2026

Flash Flood Warning 30, NWS Atlanta, GA

July 17, 2026Dawson County, Lumpkin County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 17, 2026, 2:42 PM EDT for Dawson County, Lumpkin County, Georgia. It was in force for 2 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
Jul 17, 2026, 2:42 PM EDT (18:42 UTC)
Expired
Jul 17, 2026, 4:52 PM EDT
In force
2 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Dawson County, GA, Lumpkin County, GA

The radar

The Atlanta radar (KFFC), 140 km from the middle of the area, began a volume at 18:44 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, 6.7 hours before the alert went out and 138 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 2026-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2024 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2026-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
2024 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

661 
WGUS52 KFFC 171842
FFWFFC
GAC085-187-172145-
/O.NEW.KFFC.FF.W.0030.260717T1842Z-260717T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
242 PM EDT Fri Jul 17 2026

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Northwestern Dawson County in north central Georgia...
  West Central Lumpkin County in north central Georgia...

* Until 545 PM EDT.

* At 242 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 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...
  Nimblewill, Len Foote Hike Inn, Black Gap Shelter, Amicalola Falls
  State Park, Camp Merrill and Fausett Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3460 8419 3465 8416 3465 8410 3460 8404
      3454 8404 3451 8415 3450 8428 3458 8433
      3458 8431 3457 8429 3457 8426 3460 8425
      3460 8422 3462 8420

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
758 
WGUS72 KFFC 172052
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
452 PM EDT Fri Jul 17 2026

GAC085-187-172102-
/O.CAN.KFFC.FF.W.0030.000000T0000Z-260717T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dawson GA-Lumpkin GA-
452 PM EDT Fri Jul 17 2026

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN DAWSON AND WEST
CENTRAL LUMPKIN COUNTIES...

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

&&

LAT...LON 3460 8419 3465 8416 3465 8410 3460 8404
      3454 8404 3451 8415 3450 8428 3458 8433
      3458 8431 3457 8429 3457 8426 3460 8425
      3460 8422 3462 8420

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 8:03 PM EDTSpecial Weather StatementFFCLaurens27 min
Jul 16, 8:08 PM EDTSpecial Weather StatementFFCMeriwether37 min
Jul 16, 8:31 PM EDTSpecial Weather StatementFFCMeriwether29 min
Jul 17, 2:30 AM EDTHeat AdvisoryFFCBaldwin, Banks, Barrow, Clarke, Emanuel, Glascock and 24 more18 hr
Jul 17, 1:20 PM EDTSpecial Weather StatementFFCGilmer25 min
Jul 17, 1:27 PM EDTSpecial Weather StatementFFCGilmer33 min
Jul 17, 1:47 PM EDTFlash Flood WarningFFCFannin, Gilmer3 hr
Jul 17, 2:23 PM EDTSpecial Weather StatementFFCCherokee37 min
Jul 17, 2:59 PM EDTSpecial Weather StatementFFCCherokee31 min
Jul 17, 3:24 PM EDTSpecial Weather StatementFFCTowns51 min
Jul 17, 3:26 PM EDTSpecial Weather StatementFFCDeKalb49 min
Jul 17, 3:31 PM EDTFlash Flood WarningFFCCherokee, Cobb, DeKalb, Fulton, Gwinnett3 hr
Jul 17, 3:37 PM EDTSpecial Weather StatementFFCBartow38 min
Jul 17, 3:39 PM EDTFlash Flood WarningFFCTowns, Union97 min
Jul 17, 3:40 PM EDTSpecial Weather StatementFFCGwinnett35 min
Jul 17, 3:42 PM EDTSpecial Weather StatementFFCCrawford33 min
Jul 17, 3:49 PM EDTSevere Thunderstorm WarningFFCDeKalb, Gwinnett41 min
Jul 17, 3:57 PM EDTSpecial Weather StatementFFCBartow33 min
Jul 17, 4:01 PM EDTSpecial Weather StatementFFCRockdale44 min
Jul 17, 4:07 PM EDTSevere Thunderstorm WarningFFCDeKalb, Henry, Rockdale38 min
Jul 17, 4:13 PM EDTFlash Flood WarningFFCForsyth, Gwinnett3 hr
Jul 17, 4:39 PM EDTSpecial Weather StatementFFCNewton51 min
Jul 17, 4:43 PM EDTSevere Thunderstorm WarningFFCButts, Henry, Newton, Rockdale29 min
Jul 17, 4:47 PM EDTSpecial Weather StatementFFCClayton28 min
Jul 17, 4:51 PM EDTSpecial Weather StatementFFCPike24 min
Jul 17, 4:57 PM EDTSpecial Weather StatementFFCNewton33 min
Jul 17, 4:59 PM EDTFlash Flood WarningFFCDeKalb, Gwinnett110 min
Jul 17, 5:01 PM EDTSpecial Weather StatementFFCBibb29 min
Jul 17, 5:12 PM EDTSpecial Weather StatementFFCFayette33 min
Jul 17, 5:25 PM EDTSpecial Weather StatementFFCJasper35 min
Jul 17, 5:27 PM EDTSpecial Weather StatementFFCClarke33 min
Jul 17, 5:38 PM EDTSpecial Weather StatementFFCJasper37 min
Jul 17, 6:06 PM EDTSpecial Weather StatementFFCMadison24 min
Jul 17, 6:10 PM EDTSpecial Weather StatementFFCHaralson35 min
Jul 17, 6:11 PM EDTSpecial Weather StatementFFCPutnam34 min
Jul 17, 6:18 PM EDTSpecial Weather StatementFFCDade27 min
Jul 17, 6:35 PM EDTSpecial Weather StatementFFCBleckley25 min
Jul 17, 6:36 PM EDTSpecial Weather StatementFFCWilcox24 min
Jul 17, 6:42 PM EDTSevere Thunderstorm WarningFFCBleckley, Laurens48 min
Jul 17, 6:46 PM EDTSpecial Weather StatementFFCBaldwin29 min
Jul 17, 6:48 PM EDTSpecial Weather StatementFFCMacon27 min
Jul 17, 7:18 PM EDTSpecial Weather StatementFFCWilkes27 min
Jul 17, 7:36 PM EDTSpecial Weather StatementFFCToombs39 min
Jul 17, 7:38 PM EDTSpecial Weather StatementFFCJohnson37 min
Jul 17, 7:44 PM EDTSpecial Weather StatementFFCSumter31 min
Jul 17, 7:49 PM EDTSpecial Weather StatementFFCCandler41 min
Jul 17, 7:53 PM EDTSpecial Weather StatementFFCWilkes37 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.