Alert archive / Georgia / Flash Flood Warnings in 2016
Flash Flood Warning 12, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 24, 2016, 4:13 PM EDT for 4 counties in 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
- Aug 24, 2016, 4:13 PM EDT (20:13 UTC)
- Expired
- Aug 24, 2016, 10:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Coweta County, GA, Fayette County, GA, Meriwether County, GA, Spalding County, GA
The radar
The Atlanta radar (KFFC), 11 km from the middle of the area, began a volume at 20:15 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, 8.2 hours before the alert went out and 9 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
- 137 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
998
WGUS52 KFFC 242013
FFWFFC
GAC077-113-199-255-250215-
/O.NEW.KFFC.FF.W.0012.160824T2013Z-160825T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
413 PM EDT WED AUG 24 2016
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN MERIWETHER COUNTY IN WEST CENTRAL GEORGIA...
SOUTHWESTERN SPALDING COUNTY IN WEST CENTRAL GEORGIA...
SOUTHERN FAYETTE COUNTY IN NORTH CENTRAL GEORGIA...
SOUTHEASTERN COWETA COUNTY IN WEST CENTRAL GEORGIA...
* UNTIL 1015 PM EDT WEDNESDAY
* AT 413 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FAYETTEVILLE...PEACHTREE CITY...SENOIA...BROOKS...HARALSON...
WOOLSEY...DIGBEY...INMAN...STARRS MILL AND LAKE HORTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT
NWSATLANTA.
&&
LAT...LON 3343 8460 3345 8439 3344 8440 3342 8440
3341 8439 3321 8442 3321 8445 3320 8446
3320 8447 3319 8448 3319 8450 3317 8451
3317 8457 3323 8464
$$1 follow-up statement
645
WGUS72 KFFC 242354
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
754 PM EDT WED AUG 24 2016
GAC077-113-199-255-250004-
/O.CAN.KFFC.FF.W.0012.000000T0000Z-160825T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MERIWETHER GA-SPALDING GA-FAYETTE GA-COWETA GA-
754 PM EDT WED AUG 24 2016
...THE FLASH FLOOD WARNING FOR NORTHEASTERN MERIWETHER...SOUTHWESTERN
SPALDING...SOUTHERN FAYETTE AND SOUTHEASTERN COWETA COUNTIES IS
CANCELLED...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3343 8460 3345 8439 3344 8440 3342 8440
3341 8439 3321 8442 3321 8445 3320 8446
3320 8447 3319 8448 3319 8450 3317 8451
3317 8457 3323 8464
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 12:50 PM EDT | Special Weather Statement | FFC | Madison | 40 min |
| Aug 24, 1:26 PM EDT | Special Weather Statement | FFC | DeKalb | 64 min |
| Aug 24, 2:02 PM EDT | Flash Flood Warning | FFC | Clayton, DeKalb, Henry | 6 hr |
| Aug 24, 2:25 PM EDT | Special Weather Statement | FFC | Cobb, Fulton | 65 min |
| Aug 24, 3:23 PM EDT | Flash Flood Warning | FFC | Clayton, Fayette, Fulton | 6 hr |
| Aug 24, 3:50 PM EDT | Special Weather Statement | FFC | Fayette | 55 min |
| Aug 24, 3:53 PM EDT | Special Weather Statement | FFC | Douglas | 67 min |
| Aug 24, 4:26 PM EDT | Special Weather Statement | FFC | Coweta | 64 min |
| Aug 24, 4:54 PM EDT | Special Weather Statement | FFC | Meriwether | 66 min |
Nearby
Flash Flood Warnings in Georgia, 2016Every flash flood warning in 2016
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.