Alert archive / Georgia / Flash Flood Warnings in 2020
Flash Flood Warning 74, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Nov 12, 2020, 6:01 AM EST for Taliaferro County, Warren County, Wilkes County, Georgia. It was in force for 6 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
- Nov 12, 2020, 6:01 AM EST (11:01 UTC)
- Expired
- Nov 12, 2020, 12:15 PM EST
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Taliaferro County, GA, Warren County, GA, Wilkes County, GA
The radar
The Robins AFB radar (KJGX), 121 km from the middle of the area, began a volume at 11:06 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 00:00Z, 11.0 hours before the alert went out and 173 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.
077
WGUS52 KFFC 121101
FFWFFC
GAC265-301-317-121715-
/O.NEW.KFFC.FF.W.0074.201112T1101Z-201112T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
601 AM EST Thu Nov 12 2020
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Southeastern Taliaferro County in east central Georgia...
Northwestern Warren County in east central Georgia...
Southeastern Wilkes County in east central Georgia...
* Until 1215 PM EST Thursday.
* At 601 AM EST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 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...
Washington, Warrenton, Norwood, Sharon, Camak, Rocky Creek Fire
Dept., Raytown, Lundberg, Cadley, Ficklin, Aonia, Sandy Cross,
Barnett, Holliday Park and Metasville.
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 3359 8284 3371 8279 3375 8275 3379 8258
3364 8248 3365 8249 3365 8251 3364 8256
3365 8258 3363 8258 3364 8259 3363 8261
3363 8262 3361 8262 3361 8264 3347 8260
3338 8269 3338 8274 3340 8279 3347 8282
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
870
WGUS72 KFFC 121705
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1205 PM EST Thu Nov 12 2020
GAC265-301-317-121715-
/O.EXP.KFFC.FF.W.0074.000000T0000Z-201112T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Taliaferro GA-Warren GA-Wilkes GA-
1205 PM EST Thu Nov 12 2020
...FLASH FLOOD WARNING WILL EXPIRE AT 1215 PM EST THIS AFTERNOON FOR
SOUTHEASTERN TALIAFERRO, NORTHWESTERN WARREN AND SOUTHEASTERN WILKES
COUNTIES...
The heavy rain has ended and flood waters have begun to recede.
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
LAT...LON 3359 8284 3371 8279 3375 8275 3379 8258
3364 8248 3365 8249 3365 8251 3364 8256
3365 8258 3363 8258 3364 8259 3363 8261
3363 8262 3361 8262 3361 8264 3347 8260
3338 8269 3338 8274 3340 8279 3347 8282
$$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, 5:24 AM EST | Flash Flood Warning | FFC | Baldwin, Hancock | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.