Alert archive / Georgia / Flash Flood Warnings in 2023
Flash Flood Warning 41, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Sep 15, 2023, 6:50 AM EDT for 6 counties in Georgia. It was in force for 5 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 15, 2023, 6:50 AM EDT (10:50 UTC)
- Expired
- Sep 15, 2023, 12:03 PM EDT
- In force
- 5 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Glascock County, GA, Hancock County, GA, Jefferson County, GA, Putnam County, GA, Warren County, GA, Washington County, GA
The radar
The Robins AFB radar (KJGX), 83 km from the middle of the area, began a volume at 10:51 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 15, 10:15 AM EDT | FLASH FLOOD | 2 Wsw Gibson, GA | snider Rd, between Gibson and Mitchel Rd, between Gibson, GA and Mitchell, GA, was washed out due to flooding. |
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, 10.8 hours before the alert went out and 157 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
- 487 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 778 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -1.0
The text
As transmitted.
710
WGUS52 KFFC 151050
FFWFFC
GAC125-141-163-237-301-303-151645-
/O.NEW.KFFC.FF.W.0041.230915T1050Z-230915T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
650 AM EDT Fri Sep 15 2023
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
East Central Putnam County in central Georgia...
Glascock County in east central Georgia...
Central Hancock County in east central Georgia...
Northern Jefferson County in east central Georgia...
Southwestern Warren County in east central Georgia...
North Central Washington County in east central Georgia...
* Until 1245 PM EDT.
* At 650 AM 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 1.5 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...
Sparta, Gibson, Wrens, Stapleton, Avera, Mitchell, Edge Hill,
Edgehill, Shoals, Agricola, Hamburg State Park, Jewell, Beall
Springs, Culverton, Bastonville, Stapletons Crossroads,
Shoulderbone, Stellaville, Matthews and Rockville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3329 8320 3331 8328 3337 8332 3338 8318
3336 8316 3338 8313 3333 8256 3328 8246
3327 8231 3321 8225 3315 8227 3309 8241
3310 8257 3315 8288
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
183
WGUS72 KFFC 151603
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1203 PM EDT Fri Sep 15 2023
GAC125-141-163-237-301-303-151613-
/O.CAN.KFFC.FF.W.0041.000000T0000Z-230915T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Glascock GA-Hancock GA-Jefferson GA-Putnam GA-Warren GA-
Washington GA-
1203 PM EDT Fri Sep 15 2023
...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL PUTNAM,
GLASCOCK, CENTRAL HANCOCK, NORTHERN JEFFERSON, SOUTHWESTERN WARREN
AND NORTH CENTRAL WASHINGTON COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 3329 8320 3331 8328 3337 8332 3338 8318
3336 8316 3338 8313 3333 8256 3328 8246
3327 8231 3321 8225 3315 8227 3309 8241
3310 8257 3315 8288
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 7:51 AM EDT | Special Weather Statement | FFC | Jefferson, Putnam, Washington | 54 min |
| Sep 15, 7:52 AM EDT | Special Weather Statement | FFC | Emanuel | 53 min |
| Sep 15, 9:09 AM EDT | Flash Flood Warning | FFC | Hancock, Putnam | 4 hr |
Nearby
Flash Flood Warnings in Georgia, 2023Every flash flood warning in 2023
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.