Alert archive / Georgia / Flash Flood Warnings in 2014
Flash Flood Warning 26, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 10, 2014, 3:53 PM EDT for DeKalb County, Henry County, Rockdale 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
- Aug 10, 2014, 3:53 PM EDT (19:53 UTC)
- Expired
- Aug 10, 2014, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
Counties DeKalb County, GA, Henry County, GA, Rockdale County, GA
The radar
The Atlanta radar (KFFC), 42 km from the middle of the area, began a volume at 19:54 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, 7.9 hours before the alert went out and 38 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
- 260 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
278
WGUS52 KFFC 101953
FFWFFC
GAC089-151-247-110200-
/O.NEW.KFFC.FF.W.0026.140810T1953Z-140811T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
353 PM EDT SUN AUG 10 2014
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN DEKALB COUNTY IN NORTH CENTRAL GEORGIA
NORTH CENTRAL HENRY COUNTY IN NORTH CENTRAL GEORGIA
SOUTHWESTERN ROCKDALE COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 1000 PM EDT
* AT 351 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CEDAR
GROVE...SNAPFINGER AND ARABIA MOUNTAIN
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
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 3370 8431 3371 8411 3355 8408 3357 8426
3359 8425 3359 8424 3361 8426 3363 8426
3365 8431
$$1 follow-up statement
454
WGUS72 KFFC 102321
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
721 PM EDT SUN AUG 10 2014
GAC089-151-247-102330-
/O.CAN.KFFC.FF.W.0026.000000T0000Z-140811T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCKDALE GA-DEKALB GA-HENRY GA-
721 PM EDT SUN AUG 10 2014
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTH CENTRAL
HENRY...SOUTHERN DEKALB AND SOUTHWESTERN ROCKDALE COUNTIES...
IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6 OR TWEET US YOUR REPORT AT
NWSATLANTA.
LAT...LON 3370 8431 3371 8411 3355 8408 3357 8426
3359 8425 3359 8424 3361 8426 3363 8426
3365 8431
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 8:00 PM EDT | Special Weather Statement | FFC | DeKalb | 30 min |
| Aug 9, 8:20 PM EDT | Flash Flood Warning | FFC | DeKalb, Fulton, Gwinnett | 6 hr |
| Aug 9, 8:27 PM EDT | Special Weather Statement | FFC | DeKalb, Gwinnett | 63 min |
| Aug 9, 8:58 PM EDT | Special Weather Statement | FFC | Forsyth, Hall | 62 min |
| Aug 9, 9:49 PM EDT | Flash Flood Warning | FFC | Dawson, Forsyth, Hall, Lumpkin | 6 hr |
| Aug 9, 9:56 PM EDT | Special Weather Statement | FFC | Baldwin | 64 min |
| Aug 9, 9:59 PM EDT | Special Weather Statement | FFC | White | 61 min |
| Aug 9, 10:25 PM EDT | Special Weather Statement | FFC | Washington | 65 min |
| Aug 10, 3:37 PM EDT | Special Weather Statement | FFC | DeKalb, Rockdale | 23 min |
| Aug 10, 7:05 PM EDT | Special Weather Statement | FFC | Houston, Peach | 55 min |
| Aug 10, 7:29 PM EDT | Special Weather Statement | FFC | Crawford | 61 min |
Nearby
Flash Flood Warnings in Georgia, 2014Every flash flood warning in 2014
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.