Alert archive / Georgia / Flash Flood Warnings in 2021
Flash Flood Warning 34, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 20, 2021, 11:03 AM EDT for Bleckley County, Dodge County, Laurens County, Georgia. It was in force for 3 hr. 3 reports 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
- Sep 20, 2021, 11:03 AM EDT (15:03 UTC)
- Expired
- Sep 20, 2021, 2:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bleckley County, GA, Dodge County, GA, Laurens County, GA
The radar
The Robins AFB radar (KJGX), 37 km from the middle of the area, began a volume at 15:05 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 |
|---|---|---|---|
| Sep 20, 12:00 PM EDT | FLASH FLOOD | 2 Ne Gresston, GA | MULTIPLE REPORTS OF FLASH FLOODING INCLUDING ROAD CLOSURES AND WASHED OUT ROADS ACROSS THE CITY OF EASTMAN. |
| Sep 20, 12:00 PM EDT | FLASH FLOOD | 2 Sse Allentown, GA | WATER WAS REPORTED OVER THE ROADWAY ON I-16 NEAR THE BLECKLEY AND LAURENS COUNTY LINE. |
| Sep 20, 12:00 PM EDT | FLASH FLOOD | Dublin, GA | WATER WAS REPORTED OVER THE ROADWAY ON HIGHWAY 441 NEAR TELFAIR STREET. |
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, 3.1 hours before the alert went out and 167 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
- 516 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 480 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
870
WGUS52 KFFC 201503
FFWFFC
GAC023-091-175-201800-
/O.NEW.KFFC.FF.W.0034.210920T1503Z-210920T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
1103 AM EDT Mon Sep 20 2021
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Central Bleckley County in central Georgia...
Northern Dodge County in central Georgia...
Laurens County in central Georgia...
* Until 200 PM EDT.
* At 1103 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1
hour. Additional rainfall amounts of 2 to 4 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...
Dublin, Cochran, East Dublin, Chester, Dexter, Dudley, Cadwell,
Rentz, Montrose, Harlow, Rowland, Rebie, Plainfield, Yonkers,
Goldsboro, Roddy, Chappells Mill, Cedar Grove, Empire and Cary.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3231 8331 3234 8334 3237 8337 3243 8337
3247 8333 3255 8329 3271 8294 3264 8288
3245 8287 3226 8284 3209 8298 3220 8304
3231 8326
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1.5-2.5 INCHES IN 1 HOUR
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 9:01 AM EDT | Flash Flood Warning | FFC | Bleckley, Dodge, Pulaski | 3 hr |
| Sep 20, 2:50 PM EDT | River Flood Warning | FFC | Gwinnett | 3 hr |
| Sep 20, 3:31 PM EDT | River Flood Warning | FFC | Forsyth | 19 hr |
| Sep 20, 5:52 PM EDT | River Flood Warning | FFC | Dade | 20 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.