Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 29, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 22, 2012, 11:52 PM EST for 5 counties in Georgia. It was in force for 23 min. 2 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
- Feb 22, 2012, 11:52 PM EST (04:52 UTC)
- Expired
- Feb 23, 2012, 12:15 AM EST
- In force
- 23 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Barrow County, GA, Clarke County, GA, Hall County, GA, Jackson County, GA, Madison County, GA
The radar
The Atlanta radar (KFFC), 136 km from the middle of the area, began a volume at 04:53 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 22, 11:57 PM EST | HAIL 1 | Jefferson, GA | |
| 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, 4.9 hours before the alert went out and 131 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.
183
WUUS52 KFFC 230452
SVRFFC
GAC013-059-139-157-195-230515-
/O.NEW.KFFC.SV.W.0029.120223T0452Z-120223T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1152 PM EST WED FEB 22 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN BARROW COUNTY IN NORTH CENTRAL GEORGIA
SOUTHEASTERN HALL COUNTY IN NORTH CENTRAL GEORGIA
CLARKE COUNTY IN NORTHEAST GEORGIA
JACKSON COUNTY IN NORTHEAST GEORGIA
SOUTHERN MADISON COUNTY IN NORTHEAST GEORGIA
* UNTIL 1215 AM EST
* AT 1149 PM 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
PENDERGRASS...MOVING EAST AT 55 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
JEFFERSON...ARCADE...COMMERCE...NICHOLSON...ATHENS...ILA...
WINTERVILLE...WHITEHALL...HULL...COLBERT...COMER AND DANIELSVILLE.
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.
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 3413 8305 3403 8310 3405 8313 3400 8322
3401 8324 3400 8327 3395 8328 3391 8324
3385 8328 3389 8338 3393 8342 3392 8346
3407 8381 3426 8374
TIME...MOT...LOC 0452Z 285DEG 46KT 3415 8365
$$1 follow-up statement
850
WWUS52 KFFC 230503
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1203 AM EST THU FEB 23 2012
GAC139-230512-
/O.CAN.KFFC.SV.W.0029.000000T0000Z-120223T0515Z/
HALL GA-
1203 AM EST THU FEB 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HALL COUNTY IS
CANCELLED...
.
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
LAT...LON 3413 8305 3403 8311 3405 8313 3400 8322
3401 8324 3400 8327 3395 8328 3391 8325
3385 8328 3389 8337 3393 8341 3393 8349
3397 8354 3400 8365 3423 8357
TIME...MOT...LOC 0502Z 285DEG 46KT 3409 8349
$$
GAC013-059-157-195-230515-
/O.CON.KFFC.SV.W.0029.000000T0000Z-120223T0515Z/
MADISON GA-BARROW GA-CLARKE GA-JACKSON GA-
1203 AM EST THU FEB 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EST
FOR EASTERN JACKSON...CLARKE...EAST CENTRAL BARROW AND SOUTHERN
MADISON COUNTIES...
AT 1157 PM 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
JEFFERSON...MOVING EAST AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
NICHOLSON...WESTGATE PARK...CENTER...OCONEE HEIGHTS...JAMES HOLLAND
YOUTH SPORTS COMPLEX...BEECHWOOD HILLS...SANDY CREEK RECREATION
AREA...SANFORD...BARRETTS MILL...ATHENS...STATE BOTANICAL GARDEN OF
GEORGIA...ILA...NEESE...WHITEHALL...PAOLI...DIAMOND HILL...HULL...
COLBERT...COMER AND DANIELSVILLE.
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 3413 8305 3403 8311 3405 8313 3400 8322
3401 8324 3400 8327 3395 8328 3391 8325
3385 8328 3389 8337 3393 8341 3393 8349
3397 8354 3400 8365 3423 8357
TIME...MOT...LOC 0502Z 285DEG 46KT 3409 8349
$$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 23, 12:09 AM EST | Severe Thunderstorm Warning | FFC | Clarke, Jackson, Madison, Oglethorpe | 36 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.