Alert archive / Georgia / Flash Flood Warnings in 2020
Flash Flood Warning 4, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jan 13, 2020, 7:59 AM EST for 6 counties in Georgia. It was in force for 4 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
- Jan 13, 2020, 7:59 AM EST (12:59 UTC)
- Expired
- Jan 13, 2020, 12:17 PM EST
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Coweta County, GA, Fayette County, GA, Meriwether County, GA, Pike County, GA, Spalding County, GA, Troup County, GA
The radar
The Atlanta radar (KFFC), 21 km from the middle of the area, began a volume at 13:03 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 12:00Z, 1.0 hours before the alert went out and 26 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
- 56 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 445 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
976
WGUS52 KFFC 131259
FFWFFC
GAC077-113-199-231-255-285-131900-
/O.NEW.KFFC.FF.W.0004.200113T1259Z-200113T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
759 AM EST Mon Jan 13 2020
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
Central Spalding County in west central Georgia...
Southeastern Fayette County in north central Georgia...
Northern Meriwether County in west central Georgia...
Northwestern Pike County in west central Georgia...
Troup County in west central Georgia...
Southeastern Coweta County in west central Georgia...
* Until 200 PM EST Monday.
* At 757 AM EST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
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 flooding include...
LaGrange, Griffin, Greenville, Senoia, Hogansville, Grantville,
Luthersville, Brooks, Haralson, Woolsey, Sunny Side, Lone Oak, Gay,
Mountville, Cannonville, Louise, Odessadale, Hollonville, Piedmont
Heights and Harrisonville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3316 8512 3318 8511 3318 8505 3322 8495
3333 8450 3337 8439 3335 8439 3335 8425
3334 8425 3332 8418 3321 8434 3304 8464
3288 8517 3313 8524
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
592
WGUS72 KFFC 131717
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
1217 PM EST Mon Jan 13 2020
GAC077-113-199-231-255-285-131726-
/O.CAN.KFFC.FF.W.0004.000000T0000Z-200113T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Spalding GA-Fayette GA-Meriwether GA-Pike GA-Troup GA-Coweta GA-
1217 PM EST Mon Jan 13 2020
...THE FLASH FLOOD WARNING FOR CENTRAL SPALDING...SOUTHEASTERN
FAYETTE...NORTHERN MERIWETHER...NORTHWESTERN PIKE...TROUP AND
SOUTHEASTERN COWETA COUNTIES IS CANCELLED...
The heavy rain has ended. Although small creeks and streams may
still be responding to the rainfall, the threat of flash flooding
has passed. Please continue to heed any remaining road closures.
LAT...LON 3316 8512 3318 8511 3318 8505 3322 8495
3333 8450 3337 8439 3335 8439 3335 8425
3334 8425 3332 8418 3321 8434 3304 8464
3288 8517 3313 8524
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 12, 10:07 PM EST | Special Weather Statement | FFC | Hancock | 23 min |
| Jan 12, 11:10 PM EST | Special Weather Statement | FFC | Lamar, Meriwether, Pike | 35 min |
| Jan 12, 11:44 PM EST | Special Weather Statement | FFC | Lamar, Pike, Spalding | 46 min |
| Jan 13, 12:16 AM EST | Special Weather Statement | FFC | Butts, Jasper | 44 min |
| Jan 13, 12:53 AM EST | Special Weather Statement | FFC | Jasper, Morgan | 52 min |
| Jan 13, 1:34 AM EST | Dense Fog Advisory | FFC | Bleckley, Chattahoochee, Crisp, Dodge, Dooly, Emanuel and 16 more | 7 hr |
| Jan 13, 1:51 AM EST | Special Weather Statement | FFC | Greene, Taliaferro, Wilkes | 39 min |
| Jan 13, 2:41 AM EST | Flash Flood Warning | FFC | Greene, Taliaferro, Wilkes | 6 hr |
| Jan 13, 5:21 AM EST | Special Weather Statement | FFC | Lamar, Upson | 39 min |
| Jan 13, 8:59 AM EST | Flash Flood Warning | FFC | Greene, Oglethorpe, Taliaferro, Wilkes | 3 hr |
| Jan 13, 10:12 AM EST | Flash Flood Watch | FFC | Banks, Barrow, Bartow, Butts, Carroll, Catoosa and 50 more | 36 hr |
| Jan 13, 10:29 AM EST | River Flood Warning | FFC | Baldwin, Washington, Wilkinson | 20 hr |
| Jan 13, 10:36 AM EST | River Flood Warning | FFC | Fayette, Spalding | 70 hr |
| Jan 13, 2:23 PM EST | River Flood Warning | FFC | Bibb, Houston, Jones, Monroe, Twiggs | 4 days |
| Jan 13, 2:23 PM EST | River Flood Warning | FFC | Taliaferro, Wilkes | 43 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.