Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 341, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 14, 2012, 5:46 PM EDT for 6 counties in Georgia. It was in force for 59 min. 3 reports 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 14, 2012, 5:46 PM EDT (21:46 UTC)
- Expired
- Aug 14, 2012, 6:45 PM EDT
- In force
- 59 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Emanuel County, GA, Glascock County, GA, Jefferson County, GA, Johnson County, GA, Laurens County, GA, Washington County, GA
The radar
The Robins AFB radar (KJGX), 82 km from the middle of the area, began a volume at 21:48 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 14, 5:57 PM EDT | TSTM WND DMG | 6 S Tennille, GA | WMAZ RELAYED A REPORT OF A BARN DESTROYED ALONG TENNILLE-HARRISON ROAD. |
| Aug 14, 6:00 PM EDT | TSTM WND DMG | Tennille, GA | NUMEROUS TREES DOWN IN THE SANDERSVILLE AND TENILLE AREAS. AREAS SOUTH OF TENILLE ALSO AFFECTED. |
| Aug 14, 6:25 PM EDT | TSTM WND DMG | 3 N Bartow, GA | SEVERAL TREES DOWN AND MANY LARGE LIMBS DOWN...SOME BLOCKING U.S. HWY 221. |
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, 9.8 hours before the alert went out and 187 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
- 546 J/kg
- Mixed-layer CIN
- -203 J/kg
- Mixed-layer LCL
- 1220 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
304
WUUS52 KFFC 142146
SVRFFC
GAC107-125-163-167-175-303-142245-
/O.NEW.KFFC.SV.W.0341.120814T2146Z-120814T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
546 PM EDT TUE AUG 14 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL LAURENS COUNTY IN CENTRAL GEORGIA
NORTH CENTRAL EMANUEL COUNTY IN EAST CENTRAL GEORGIA
EXTREME SOUTH CENTRAL GLASCOCK COUNTY IN EAST CENTRAL GEORGIA
JEFFERSON COUNTY IN EAST CENTRAL GEORGIA
JOHNSON COUNTY IN EAST CENTRAL GEORGIA
WASHINGTON COUNTY IN EAST CENTRAL GEORGIA
* UNTIL 645 PM EDT
* AT 543 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
DESTRUCTIVE WINDS UP TO 70 MPH. THIS STORM WAS LOCATED NEAR
OCONEE...MOVING NORTHEAST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WRIGHTSVILLE...TENNILLE...SANDERSVILLE...HARRISON...RIDDLEVILLE...
DAVISBORO...BARTOW...WADLEY...SUMMERTOWN...LOUISVILLE AND WRENS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN 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 3262 8295 3282 8295 3287 8300 3294 8305
3313 8263 3312 8258 3316 8257 3328 8229
3325 8224 3320 8223 3308 8228 3293 8227
3284 8231 3281 8222 3269 8222
TIME...MOT...LOC 2146Z 246DEG 41KT 3283 8292
$$1 follow-up statement
620
WWUS52 KFFC 142234
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
634 PM EDT TUE AUG 14 2012
GAC175-142242-
/O.CAN.KFFC.SV.W.0341.000000T0000Z-120814T2245Z/
LAURENS GA-
634 PM EDT TUE AUG 14 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL LAURENS COUNTY
IS CANCELLED...
.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
LAT...LON 3265 8268 3284 8273 3295 8276 3306 8277
3313 8263 3312 8258 3316 8257 3328 8229
3325 8224 3320 8223 3308 8228 3293 8227
3284 8231 3281 8222 3269 8222
TIME...MOT...LOC 2232Z 246DEG 41KT 3304 8235
$$
GAC107-125-163-167-303-142245-
/O.CON.KFFC.SV.W.0341.000000T0000Z-120814T2245Z/
WASHINGTON GA-JOHNSON GA-EMANUEL GA-GLASCOCK GA-JEFFERSON GA-
634 PM EDT TUE AUG 14 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR JEFFERSON...EXTREME SOUTH CENTRAL GLASCOCK...NORTH CENTRAL
EMANUEL...NORTHEASTERN JOHNSON AND EASTERN WASHINGTON COUNTIES...
AT 630 PM EDT...A COUNTY OFFICIAL REPORTED NUMEROUS TREES DOWN IN
THE SANDERSVILLE AND TENILLE AREAS. THIS THUNDERSTORM IS CAPABLE OF
PRODUCING QUARTER SIZED HAIL...AND DESTRUCTIVE WINDS UP TO 70 MPH.
THIS STORM WAS LOCATED NEAR LOUISVILLE...MOVING NORTHEAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WRENS...STELLAVILLE AND MATTHEWS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN 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 3265 8268 3284 8273 3295 8276 3306 8277
3313 8263 3312 8258 3316 8257 3328 8229
3325 8224 3320 8223 3308 8228 3293 8227
3284 8231 3281 8222 3269 8222
TIME...MOT...LOC 2232Z 246DEG 41KT 3304 8235
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 3:11 AM EDT | Special Weather Statement | FFC | Bartow, Carroll, Haralson, Heard, Paulding, Polk | 79 min |
| Aug 14, 8:50 AM EDT | Special Weather Statement | FFC | Coweta, Fayette, Harris, Heard, Meriwether, Muscogee and 1 more | 25 min |
| Aug 14, 9:12 AM EDT | Special Weather Statement | FFC | Clayton, Fayette | 33 min |
| Aug 14, 9:14 AM EDT | Special Weather Statement | FFC | Talbot | 31 min |
| Aug 14, 9:17 AM EDT | Special Weather Statement | FFC | Polk | 28 min |
| Aug 14, 3:04 PM EDT | Special Weather Statement | FFC | Marion | 41 min |
| Aug 14, 3:10 PM EDT | Severe Thunderstorm Warning | FFC | Macon, Marion, Schley, Taylor | 50 min |
| Aug 14, 3:16 PM EDT | Special Weather Statement | FFC | Stewart | 44 min |
| Aug 14, 3:42 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Macon, Peach, Taylor | 48 min |
| Aug 14, 4:21 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Crawford, Houston, Jones, Peach, Twiggs and 1 more | 39 min |
| Aug 14, 4:34 PM EDT | Severe Thunderstorm Warning | FFC | Dooly, Houston, Pulaski | 41 min |
| Aug 14, 5:01 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Houston, Laurens, Twiggs, Wilkinson | 29 min |
| Aug 14, 5:21 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Johnson, Laurens, Twiggs, Washington, Wilkinson | 39 min |
| Aug 14, 6:25 PM EDT | Severe Thunderstorm Warning | FFC | Glascock, Hancock, Jefferson, Warren, Washington | 35 min |
| Aug 14, 6:49 PM EDT | Special Weather Statement | FFC | Jefferson | 11 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012
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.