Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 30, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 23, 2012, 12:09 AM EST for 4 counties in Georgia. It was in force for 36 min. 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
- Feb 23, 2012, 12:09 AM EST (05:09 UTC)
- Expired
- Feb 23, 2012, 12:45 AM EST
- In force
- 36 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Clarke County, GA, Jackson County, GA, Madison County, GA, Oglethorpe County, GA
The radar
The Greer radar (KGSP), 125 km from the middle of the area, began a volume at 05:09 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 |
|---|---|---|---|
| Feb 23, 12:15 AM EST | HAIL 1 | 4 E Nicholson, GA | MADISON COUNTY 911 RELAYED FIRST RESPONDER REPORT OF NICKLE TO QUARTER SIZED HAIL IN THE SEAGRAVES MILL ROAD AREA NEAR THE MADISON-JACKSON COUNTY LINE. |
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 00:00Z, 5.2 hours before the alert went out and 155 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
- 13 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1264 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
611
WUUS52 KFFC 230509
SVRFFC
GAC059-157-195-221-230545-
/O.NEW.KFFC.SV.W.0030.120223T0509Z-120223T0545Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1209 AM EST THU FEB 23 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CLARKE COUNTY IN NORTHEAST GEORGIA
SOUTHEASTERN JACKSON COUNTY IN NORTHEAST GEORGIA
MADISON COUNTY IN NORTHEAST GEORGIA
OGLETHORPE COUNTY IN NORTHEAST GEORGIA
* UNTIL 1245 AM EST
* AT 1206 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
NICHOLSON...MOVING EAST AT 55 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ATHENS...ILA...HULL...WINTERVILLE...DANIELSVILLE...COLBERT...
ARNOLDSVILLE...COMER...CRAWFORD...LEXINGTON AND CARLTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED ROTATION WITHIN THIS STORM. ALTHOUGH
CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A TORNADO...A TORNADO
MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.
MEMBERS OF THE PUBLIC REPORTED QUARTER SIZED HAIL AS THIS STORM
MOVED THROUGH SOUTHERN HALL AND JEFFERSON COUNTIES. IF YOU ARE IN
THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND
PROPERTY.
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 3395 8279 3392 8288 3386 8292 3385 8295
3378 8299 3374 8295 3373 8296 3402 8355
3421 8346 3417 8309 3401 8293 3402 8291
3399 8286 3400 8283 3397 8278
TIME...MOT...LOC 0508Z 285DEG 46KT 3409 8341
$$2 follow-up statements
812
WUUS52 KFFC 230512 CCA
SVRFFC
GAC059-157-195-221-230545-
/O.COR.KFFC.SV.W.0030.120223T0509Z-120223T0545Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1209 AM EST THU FEB 23 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CLARKE COUNTY IN NORTHEAST GEORGIA
SOUTHEASTERN JACKSON COUNTY IN NORTHEAST GEORGIA
MADISON COUNTY IN NORTHEAST GEORGIA
OGLETHORPE COUNTY IN NORTHEAST GEORGIA
* UNTIL 1245 AM EST
* AT 1206 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
NICHOLSON...MOVING EAST AT 55 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ATHENS...ILA...HULL...WINTERVILLE...DANIELSVILLE...COLBERT...
ARNOLDSVILLE...COMER...CRAWFORD...LEXINGTON AND CARLTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED ROTATION WITHIN THIS STORM. ALTHOUGH
CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A TORNADO...A TORNADO
MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR
SMALL INTERIOR ROOM.
MEMBERS OF THE PUBLIC REPORTED QUARTER SIZED HAIL AS THIS STORM
MOVED THROUGH SOUTHERN HALL AND JACKSON COUNTIES. IF YOU ARE IN
THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND
PROPERTY.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
&&
LAT...LON 3395 8279 3392 8288 3386 8292 3385 8295
3378 8299 3374 8295 3373 8296 3402 8355
3421 8346 3417 8309 3401 8293 3402 8291
3399 8286 3400 8283 3397 8278
TIME...MOT...LOC 0508Z 285DEG 46KT 3409 8341
$$840
WWUS52 KFFC 230526
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1226 AM EST THU FEB 23 2012
GAC157-230536-
/O.CAN.KFFC.SV.W.0030.000000T0000Z-120223T0545Z/
JACKSON GA-
1226 AM EST THU FEB 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JACKSON 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 3392 8287 3385 8295 3378 8299 3373 8296
3397 8345 3402 8341 3404 8336 3404 8338
3419 8326 3417 8310 3403 8295 3399 8286
3400 8283 3398 8278 3396 8278
TIME...MOT...LOC 0526Z 285DEG 46KT 3403 8320
$$
GAC059-195-221-230545-
/O.CON.KFFC.SV.W.0030.000000T0000Z-120223T0545Z/
OGLETHORPE GA-MADISON GA-CLARKE GA-
1226 AM EST THU FEB 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM EST
FOR CLARKE...SOUTHERN MADISON AND OGLETHORPE COUNTIES...
AT 1223 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
COLBERT...MOVING EAST AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ARNOLDSVILLE...SMITHONIA...COMER...PAOLI...CRAWFORD...HUTCHINGS...
WATSON MILL BRIDGE STATE PARK...LEXINGTON...SANDY CROSS...CARLTON...
POINT PETER AND VESTA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MEMBERS OF THE PUBLIC REPORTED QUARTER SIZED HAIL AS THIS STORM
MOVED THROUGH SOUTHERN HALL AND JACKSON COUNTIES. IF YOU ARE IN
THE PATH OF THE STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND
PROPERTY.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
&&
LAT...LON 3392 8287 3385 8295 3378 8299 3373 8296
3397 8345 3402 8341 3404 8336 3404 8338
3419 8326 3417 8310 3403 8295 3399 8286
3400 8283 3398 8278 3396 8278
TIME...MOT...LOC 0526Z 285DEG 46KT 3403 8320
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 7:44 PM EST | Special Weather Statement | FFC | Dade | 46 min |
| Feb 22, 8:15 PM EST | Special Weather Statement | FFC | Catoosa | 30 min |
| Feb 22, 8:24 PM EST | Special Weather Statement | FFC | Walker | 51 min |
| Feb 22, 9:19 PM EST | Special Weather Statement | FFC | Walker, Whitfield | 26 min |
| Feb 22, 9:41 PM EST | Special Weather Statement | FFC | Floyd | 34 min |
| Feb 22, 9:53 PM EST | Severe Thunderstorm Warning | FFC | Floyd, Polk | 37 min |
| Feb 22, 10:36 PM EST | Special Weather Statement | FFC | Bartow, Cherokee, Pickens | 24 min |
| Feb 22, 11:10 PM EST | Special Weather Statement | FFC | Cobb | 35 min |
| Feb 22, 11:24 PM EST | Special Weather Statement | FFC | Barrow, Forsyth, Hall | 36 min |
| Feb 22, 11:32 PM EST | Severe Thunderstorm Warning | FFC | Hall, Jackson | 28 min |
| Feb 22, 11:52 PM EST | Severe Thunderstorm Warning | FFC | Barrow, Clarke, Hall, Jackson, Madison | 23 min |
| Feb 23, 12:46 AM EST | Special Weather Statement | FFC | Oglethorpe, Wilkes | 29 min |
| Feb 23, 12:58 AM EST | Special Weather Statement | FFC | Lumpkin, White | 32 min |
| Feb 23, 2:53 PM EST | Wind Advisory | FFC | Catoosa, Dade, Dawson, Fannin, Gilmer, Lumpkin and 6 more | 28 hr |
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.