Alert archive / Georgia / Flash Flood Warnings in 2013
Flash Flood Warning 76, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 8, 2013, 7:29 PM EDT for Catoosa County, Georgia. It was in force for 4 hr. 1 report 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
- Aug 8, 2013, 7:29 PM EDT (23:29 UTC)
- Expired
- Aug 8, 2013, 11:30 PM EDT
- In force
- 4 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County Catoosa County, GA
The radar
The Northeast Alabama radar (KHTX), 90 km from the middle of the area, began a volume at 23:31 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 |
|---|---|---|---|
| Aug 8, 8:09 PM EDT | FLASH FLOOD | 1 Sw Ringgold, GA | ROAD UNDER WATER AT INTERSECTION OF POPLAR SPRINGS RD AND STAPP DR. |
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 12:00Z, 11.5 hours before the alert went out and 176 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
- 1205 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -72 m²/s²
- 0-3 km storm-relative helicity
- -23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
886
WGUS52 KFFC 082329
FFWFFC
GAC047-090330-
/O.NEW.KFFC.FF.W.0076.130808T2329Z-130809T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
729 PM EDT THU AUG 8 2013
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CATOOSA COUNTY IN NORTHWEST GEORGIA
* UNTIL 1130 PM EDT
* AT 722 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OVER CATOOSA COUNTY FROM A THUNDERSTORM OVER
RINGGOLD..MOVING EAST AT 5 MPH. RAINFALL AMOUNTS OF 2 TO 4 INCHES
ARE EXPECTED WHICH WILL BE ENOUGH TO PRODUCE FLASH FLOODING.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOOD
STATION AND SALEM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP 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. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.
&&
LAT...LON 3491 8502 3488 8501 3486 8506 3482 8506
3482 8513 3477 8515 3477 8520 3485 8520
3486 8526 3498 8526 3499 8498 3498 8498
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 8:25 PM EDT | Special Weather Statement | FFC | Heard | 65 min |
| Aug 8, 12:10 PM EDT | Special Weather Statement | FFC | Clayton, DeKalb, Fayette | 35 min |
| Aug 8, 12:40 PM EDT | Special Weather Statement | FFC | Clayton, Cobb, Coweta, DeKalb, Fayette, Fulton and 1 more | 80 min |
| Aug 8, 12:44 PM EDT | Special Weather Statement | FFC | Union | 61 min |
| Aug 8, 1:00 PM EDT | Flash Flood Warning | FFC | Clayton, Cobb, Coweta, DeKalb, Fayette, Fulton and 3 more | 6 hr |
| Aug 8, 1:13 PM EDT | Special Weather Statement | FFC | Forsyth, Hall | 77 min |
| Aug 8, 1:23 PM EDT | Special Weather Statement | FFC | Madison | 67 min |
| Aug 8, 1:56 PM EDT | Special Weather Statement | FFC | Carroll, Douglas | 79 min |
| Aug 8, 2:13 PM EDT | Flash Flood Warning | FFC | Banks, Hall, Jackson | 6 hr |
| Aug 8, 2:46 PM EDT | Special Weather Statement | FFC | Cobb, Paulding | 59 min |
| Aug 8, 3:38 PM EDT | Special Weather Statement | FFC | Harris | 52 min |
| Aug 8, 3:42 PM EDT | Special Weather Statement | FFC | Bartow, Haralson, Paulding, Polk | 63 min |
| Aug 8, 3:51 PM EDT | Special Weather Statement | FFC | Catoosa, Walker | 54 min |
| Aug 8, 4:39 PM EDT | Special Weather Statement | FFC | Floyd, Gordon, Polk | 66 min |
| Aug 8, 4:41 PM EDT | Special Weather Statement | FFC | Dade | 64 min |
| Aug 8, 5:43 PM EDT | Special Weather Statement | FFC | Dade | 47 min |
| Aug 8, 6:13 PM EDT | Special Weather Statement | FFC | Catoosa, Dade, Walker | 62 min |
| Aug 8, 6:46 PM EDT | Flash Flood Warning | FFC | Dade, Walker | 4 hr |
| Aug 8, 7:02 PM EDT | Special Weather Statement | FFC | Chattooga | 58 min |
| Aug 8, 7:24 PM EDT | Special Weather Statement | FFC | Catoosa, Murray, Whitfield | 66 min |
Nearby
Flash Flood Warnings in Georgia, 2013Every flash flood warning in 2013
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.