Alert archive / Georgia / Flash Flood Warnings in 2020
Flash Flood Warning 73, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Nov 12, 2020, 5:24 AM EST for Baldwin County, Hancock County, Georgia. It was in force for 6 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
- Nov 12, 2020, 5:24 AM EST (10:24 UTC)
- Expired
- Nov 12, 2020, 11:30 AM EST
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baldwin County, GA, Hancock County, GA
The radar
The Robins AFB radar (KJGX), 51 km from the middle of the area, began a volume at 10:23 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 |
|---|---|---|---|
| Nov 12, 5:24 AM EST | FLASH FLOOD | 1 W Hardwick, GA | ROAD FLOODING AT 248 IVEY DR. |
| Nov 12, 5:24 AM EST | FLASH FLOOD | 5 Nw Underwood, GA | ROAD FLOODING ON CUT THRU RD NEAR LITTLE ROCKY CREEK. |
| Nov 12, 5:24 AM EST | FLASH FLOOD | Hardwick, GA | ROAD FLOODING AT INTERSECTION OF EDWARDS ST AND COOMBS AVE. |
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, 10.4 hours before the alert went out and 125 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
- 410 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
642
WGUS52 KFFC 121024
FFWFFC
GAC009-141-121630-
/O.NEW.KFFC.FF.W.0073.201112T1024Z-201112T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
524 AM EST Thu Nov 12 2020
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Central Baldwin County in central Georgia...
Southwestern Hancock County in east central Georgia...
* Until 1130 AM EST Thursday.
* At 524 AM EST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Milledgeville, Midway-Hardwick, Underwood, Hardwick, Beulah,
Devereux, Allenwood, Scottsboro, Oconee Springs Park, Pancras and
Coopers.
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.
&&
LAT...LON 3296 8327 3297 8330 3302 8333 3308 8331
3317 8326 3326 8324 3326 8323 3328 8323
3331 8315 3332 8315 3333 8309 3325 8303
3314 8300 3300 8315 3300 8316 3299 8318
3297 8317 3297 8318 3297 8320
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
892
WGUS72 KFFC 121629
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1129 AM EST Thu Nov 12 2020
GAC009-141-121639-
/O.EXP.KFFC.FF.W.0073.000000T0000Z-201112T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Baldwin GA-Hancock GA-
1129 AM EST Thu Nov 12 2020
...FLASH FLOOD WARNING WILL EXPIRE AT 1130 AM EST THIS MORNING FOR
CENTRAL BALDWIN AND SOUTHWESTERN HANCOCK COUNTIES...
The heavy rain has ended and flood waters have begun to recede.
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
LAT...LON 3296 8327 3297 8330 3302 8333 3308 8331
3317 8326 3326 8324 3326 8323 3328 8323
3331 8315 3332 8315 3333 8309 3325 8303
3314 8300 3300 8315 3300 8316 3299 8318
3297 8317 3297 8318 3297 8320
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 10:35 PM EST | Flash Flood Warning | FFC | DeKalb, Fulton, Gwinnett | 6 hr |
| Nov 12, 12:05 AM EST | River Flood Warning | FFC | Forsyth, Fulton | 6 hr |
| Nov 12, 12:20 AM EST | Special Weather Statement | FFC | Towns, Union, White | 40 min |
| Nov 12, 1:37 AM EST | Flash Flood Warning | FFC | Towns, White | 5 hr |
| Nov 12, 3:49 AM EST | Special Weather Statement | FFC | Houston, Twiggs | 41 min |
| Nov 12, 4:13 AM EST | Flash Flood Warning | FFC | Greene, Oglethorpe, Putnam | 6 hr |
| Nov 12, 4:16 AM EST | Flash Flood Warning | FFC | Houston | 6 hr |
| Nov 12, 4:27 AM EST | River Flood Warning | FFC | Forsyth | 7 hr |
| Nov 12, 6:01 AM EST | Flash Flood Warning | FFC | Taliaferro, Warren, Wilkes | 6 hr |
| Nov 12, 6:03 AM EST | Flash Flood Watch | FFC | Baldwin, Glascock, Hancock, Jefferson, Taliaferro, Warren and 3 more | 5 hr |
| Nov 12, 6:40 AM EST | River Flood Warning | FFC | Forsyth, Fulton | 30 hr |
Nearby
Flash Flood Warnings in Georgia, 2020Every flash flood warning in 2020
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.