Alert archive / Georgia / Flash Flood Warnings in 2021
Flash Flood Warning 18, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jul 22, 2021, 7:44 PM EDT for Stewart County, Georgia. It was in force for 3 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 22, 2021, 7:44 PM EDT (23:44 UTC)
- Expired
- Jul 22, 2021, 11:05 PM EDT
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County Stewart County, GA
The radar
The Maxwell AFB radar (KMXX), 94 km from the middle of the area, began a volume at 23:48 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, 11.7 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.
- Mixed-layer CAPE
- 420 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
856
WGUS52 KFFC 222344
FFWFFC
GAC259-230545-
/O.NEW.KFFC.FF.W.0018.210722T2344Z-210723T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
744 PM EDT Thu Jul 22 2021
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Northern Stewart County in west central Georgia...
* Until 145 AM EDT Friday.
* At 744 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 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.
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...
Lumpkin, Charles and Louvale.
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.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3223 8488 3216 8472 3212 8471 3207 8473
3205 8479 3205 8486 3216 8503 3218 8501
3220 8496 3220 8497 3221 8498 3222 8497
3222 8493 3222 8492 3223 8492
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
055
WGUS72 KFFC 230305
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1105 PM EDT Thu Jul 22 2021
GAC259-230315-
/O.CAN.KFFC.FF.W.0018.000000T0000Z-210723T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stewart GA-
1105 PM EDT Thu Jul 22 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHERN STEWART COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat.
LAT...LON 3223 8488 3216 8472 3212 8471 3207 8473
3205 8479 3205 8486 3216 8503 3218 8501
3220 8496 3220 8497 3221 8498 3222 8497
3222 8493 3222 8492 3223 8492
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 9:49 PM EDT | Special Weather Statement | FFC | Gwinnett | 41 min |
| Jul 21, 10:21 PM EDT | Flash Flood Warning | FFC | Gwinnett, Walton | 6 hr |
| Jul 22, 12:29 AM EDT | River Flood Warning | FFC | Gwinnett | 107 min |
| Jul 22, 4:24 PM EDT | Special Weather Statement | FFC | Crisp | 36 min |
| Jul 22, 5:50 PM EDT | Special Weather Statement | FFC | Macon | 25 min |
| Jul 22, 5:59 PM EDT | Special Weather Statement | FFC | Bleckley | 31 min |
| Jul 22, 6:05 PM EDT | Special Weather Statement | FFC | Marion, Schley | 25 min |
| Jul 22, 7:06 PM EDT | Special Weather Statement | FFC | Stewart | 24 min |
| Jul 22, 7:57 PM EDT | Special Weather Statement | FFC | Washington | 33 min |
Nearby
Flash Flood Warnings in Georgia, 2021Every flash flood warning in 2021
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.