Alert archive / Georgia / Flash Flood Warnings in 2021
Flash Flood Warning 35, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 20, 2021, 8:24 PM EDT for Baldwin County, Washington County, Wilkinson County, Georgia. It was in force for 2 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
- Sep 20, 2021, 8:24 PM EDT (00:24 UTC)
- Expired
- Sep 20, 2021, 10:51 PM EDT
- In force
- 2 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baldwin County, GA, Washington County, GA, Wilkinson County, GA
The radar
The Robins AFB radar (KJGX), 41 km from the middle of the area, began a volume at 00:23 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, 9:30 PM EDT | FLASH FLOOD | 2 Se Hebron, GA | A PORTION OF PANTHER BRANCH ROAD WAS WASHED OUT DUE TO HEAVY RAIN. |
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 00:00Z, 0.4 hours before the alert went out and 144 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
- 530 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
053
WGUS52 KFFC 210024
FFWFFC
GAC009-303-319-210630-
/O.NEW.KFFC.FF.W.0035.210921T0024Z-210921T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
824 PM EDT Mon Sep 20 2021
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Eastern Baldwin County in central Georgia...
Northeastern Wilkinson County in central Georgia...
West Central Washington County in east central Georgia...
* Until 230 AM EDT Tuesday.
* At 824 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 3 inches of rain have
fallen. Additional rainfall amounts of 0.5 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...
Sandersville, Toomsboro, Oconee and Hebron.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
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 3301 8309 3300 8283 3277 8305 3291 8314
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
105 WGUS72 KFFC 210251 FFSFFC Flash Flood Statement National Weather Service Peachtree City GA 1051 PM EDT Mon Sep 20 2021 GAC009-303-319-210301- /O.CAN.KFFC.FF.W.0035.000000T0000Z-210921T0630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Baldwin GA-Washington GA-Wilkinson GA- 1051 PM EDT Mon Sep 20 2021 ...FLASH FLOOD WARNING IS CANCELLED FOR EASTERN BALDWIN, NORTHEASTERN WILKINSON AND WEST CENTRAL WASHINGTON COUNTIES... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. LAT...LON 3301 8309 3300 8283 3277 8305 3291 8314 $$
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 8:36 PM EDT | River Flood Warning | FFC | Forsyth, Fulton | 40 hr |
| Sep 20, 10:45 PM EDT | Special Weather Statement | FFC | Schley | 30 min |
| Sep 21, 5:58 AM EDT | River Flood Warning | FFC | Chattooga | 11 hr |
| Sep 21, 6:09 PM EDT | Special Weather Statement | FFC | Bibb, Jasper, Jones, Putnam | 36 min |
| Sep 21, 7:10 PM EDT | Special Weather Statement | FFC | Houston, Twiggs | 35 min |
| Sep 21, 7:46 PM EDT | Special Weather Statement | FFC | Houston | 29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.