Alert archive / Georgia / Flash Flood Warnings in 2026
Flash Flood Warning 33, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jul 17, 2026, 4:13 PM EDT for Forsyth County, Gwinnett County, Georgia. It was in force for 3 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
- Jul 17, 2026, 4:13 PM EDT (20:13 UTC)
- Expired
- Jul 17, 2026, 6:49 PM EDT
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Forsyth County, GA, Gwinnett County, GA
The radar
The Atlanta radar (KFFC), 89 km from the middle of the area, began a volume at 20:14 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 |
|---|---|---|---|
| Jul 17, 4:30 PM EDT | FLASH FLOOD | 2 Ne Pleasant Hill, GA | Flooding reported at I-85N and University Parkways. |
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 12:00Z, 8.2 hours before the alert went out and 85 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
- 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
The text
As transmitted.
429
WGUS52 KFFC 172013
FFWFFC
GAC117-135-180215-
/O.NEW.KFFC.FF.W.0033.260717T2013Z-260718T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
413 PM EDT Fri Jul 17 2026
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
South Central Forsyth County in north central Georgia...
Northwestern Gwinnett County in north central Georgia...
* Until 1015 PM EDT Friday.
* At 413 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour.
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...
Lawrenceville, Duluth, Sugar Hill, Suwanee, Buford, Rest Haven,
Buford Dam-Lake Lanier Parks and Brookwood.
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 3409 8420 3418 8407 3418 8406 3417 8406
3412 8392 3400 8395 3390 8399 3391 8412
3401 8418 3403 8417 3403 8412 3405 8410
3407 8418
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR
$$2 follow-up statements
454
WGUS72 KFFC 172148
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
548 PM EDT Fri Jul 17 2026
GAC117-135-180215-
/O.CON.KFFC.FF.W.0033.000000T0000Z-260718T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Forsyth GA-Gwinnett GA-
548 PM EDT Fri Jul 17 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT THIS
EVENING FOR SOUTH CENTRAL FORSYTH AND NORTHWESTERN GWINNETT
COUNTIES...
At 548 PM EDT, Doppler radar indicated thunderstorms which produced
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Lawrenceville, Duluth, Sugar Hill, Suwanee, Buford, Rest Haven,
Buford Dam-Lake Lanier Parks and Brookwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3409 8420 3418 8407 3418 8406 3417 8406
3412 8392 3400 8395 3390 8399 3391 8412
3401 8418 3403 8417 3403 8412 3405 8410
3407 8418
FLASH FLOOD...RADAR INDICATED
$$423
WGUS72 KFFC 172249 RRA
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
649 PM EDT Fri Jul 17 2026
GAC117-135-172259-
/O.CAN.KFFC.FF.W.0033.000000T0000Z-260718T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Forsyth GA-Gwinnett GA-
649 PM EDT Fri Jul 17 2026
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTH CENTRAL FORSYTH AND
NORTHWESTERN GWINNETT COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 3409 8420 3418 8407 3418 8406 3417 8406
3412 8392 3400 8395 3390 8399 3391 8412
3401 8418 3403 8417 3403 8412 3405 8410
3407 8418
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 8:03 PM EDT | Special Weather Statement | FFC | Laurens | 27 min |
| Jul 16, 8:08 PM EDT | Special Weather Statement | FFC | Meriwether | 37 min |
| Jul 16, 8:31 PM EDT | Special Weather Statement | FFC | Meriwether | 29 min |
| Jul 17, 2:30 AM EDT | Heat Advisory | FFC | Baldwin, Banks, Barrow, Clarke, Emanuel, Glascock and 24 more | 18 hr |
| Jul 17, 1:20 PM EDT | Special Weather Statement | FFC | Gilmer | 25 min |
| Jul 17, 1:27 PM EDT | Special Weather Statement | FFC | Gilmer | 33 min |
| Jul 17, 1:47 PM EDT | Flash Flood Warning | FFC | Fannin, Gilmer | 3 hr |
| Jul 17, 2:23 PM EDT | Special Weather Statement | FFC | Cherokee | 37 min |
| Jul 17, 2:42 PM EDT | Flash Flood Warning | FFC | Dawson, Lumpkin | 2 hr |
| Jul 17, 2:59 PM EDT | Special Weather Statement | FFC | Cherokee | 31 min |
| Jul 17, 3:24 PM EDT | Special Weather Statement | FFC | Towns | 51 min |
| Jul 17, 3:26 PM EDT | Special Weather Statement | FFC | DeKalb | 49 min |
| Jul 17, 3:31 PM EDT | Flash Flood Warning | FFC | Cherokee, Cobb, DeKalb, Fulton, Gwinnett | 3 hr |
| Jul 17, 3:37 PM EDT | Special Weather Statement | FFC | Bartow | 38 min |
| Jul 17, 3:39 PM EDT | Flash Flood Warning | FFC | Towns, Union | 97 min |
| Jul 17, 3:40 PM EDT | Special Weather Statement | FFC | Gwinnett | 35 min |
| Jul 17, 3:42 PM EDT | Special Weather Statement | FFC | Crawford | 33 min |
| Jul 17, 3:49 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Gwinnett | 41 min |
| Jul 17, 3:57 PM EDT | Special Weather Statement | FFC | Bartow | 33 min |
| Jul 17, 4:01 PM EDT | Special Weather Statement | FFC | Rockdale | 44 min |
| Jul 17, 4:07 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb, Henry, Rockdale | 38 min |
| Jul 17, 4:39 PM EDT | Special Weather Statement | FFC | Newton | 51 min |
| Jul 17, 4:43 PM EDT | Severe Thunderstorm Warning | FFC | Butts, Henry, Newton, Rockdale | 29 min |
| Jul 17, 4:47 PM EDT | Special Weather Statement | FFC | Clayton | 28 min |
| Jul 17, 4:51 PM EDT | Special Weather Statement | FFC | Pike | 24 min |
| Jul 17, 4:57 PM EDT | Special Weather Statement | FFC | Newton | 33 min |
| Jul 17, 4:59 PM EDT | Flash Flood Warning | FFC | DeKalb, Gwinnett | 110 min |
| Jul 17, 5:01 PM EDT | Special Weather Statement | FFC | Bibb | 29 min |
| Jul 17, 5:12 PM EDT | Special Weather Statement | FFC | Fayette | 33 min |
| Jul 17, 5:25 PM EDT | Special Weather Statement | FFC | Jasper | 35 min |
| Jul 17, 5:27 PM EDT | Special Weather Statement | FFC | Clarke | 33 min |
| Jul 17, 5:38 PM EDT | Special Weather Statement | FFC | Jasper | 37 min |
| Jul 17, 6:06 PM EDT | Special Weather Statement | FFC | Madison | 24 min |
| Jul 17, 6:10 PM EDT | Special Weather Statement | FFC | Haralson | 35 min |
| Jul 17, 6:11 PM EDT | Special Weather Statement | FFC | Putnam | 34 min |
| Jul 17, 6:18 PM EDT | Special Weather Statement | FFC | Dade | 27 min |
| Jul 17, 6:35 PM EDT | Special Weather Statement | FFC | Bleckley | 25 min |
| Jul 17, 6:36 PM EDT | Special Weather Statement | FFC | Wilcox | 24 min |
| Jul 17, 6:42 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Laurens | 48 min |
| Jul 17, 6:46 PM EDT | Special Weather Statement | FFC | Baldwin | 29 min |
| Jul 17, 6:48 PM EDT | Special Weather Statement | FFC | Macon | 27 min |
| Jul 17, 7:18 PM EDT | Special Weather Statement | FFC | Wilkes | 27 min |
| Jul 17, 7:36 PM EDT | Special Weather Statement | FFC | Toombs | 39 min |
| Jul 17, 7:38 PM EDT | Special Weather Statement | FFC | Johnson | 37 min |
| Jul 17, 7:44 PM EDT | Special Weather Statement | FFC | Sumter | 31 min |
| Jul 17, 7:49 PM EDT | Special Weather Statement | FFC | Candler | 41 min |
| Jul 17, 7:53 PM EDT | Special Weather Statement | FFC | Wilkes | 37 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.