Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 129, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 21, 2012, 8:10 PM EDT for DeKalb County, Fulton County, Georgia. It was in force for 50 min. 6 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
- May 21, 2012, 8:10 PM EDT (00:10 UTC)
- Expired
- May 21, 2012, 9:00 PM EDT
- In force
- 50 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties DeKalb County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 59 km from the middle of the area, began a volume at 00:12 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 |
|---|---|---|---|
| May 21, 8:15 PM EDT | HAIL 0.88 | 3 N Decatur, GA | PUBLIC REPORTED NICKEL SIZED HAIL IN THE NORTH DRUID HILLS AREA. |
| May 21, 8:19 PM EDT | HAIL 0.75 | 4 N Atlanta, GA | PUBLIC REPORTED PENNY SIZED HAIL NEAR PEACHTREE ROAD. |
| May 21, 8:20 PM EDT | HAIL 0.75 | Atlanta, GA | PUBLIC REPORTED DIME TO PNENY SIZED HAIL IN THE MIDTOWN AREA. |
| May 21, 8:30 PM EDT | HAIL 0.88 | 3 N Decatur, GA | PUBLIC REPORTED NICKEL SIZED HAIL IN THE NORTH DRUID HILLS AREA. |
| May 21, 8:35 PM EDT | HAIL 0.75 | 1 Nne Druid Hills, GA | PUBLIC REPORTED DIME TO PENNY SIZED HAIL NEAR EMORY. |
| May 21, 8:40 PM EDT | HAIL 0.75 | Atlanta, GA | PUBLIC REPORTED DIME SIZED HAIL IN THE MIDTOWN AREA. |
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, 0.2 hours before the alert went out and 56 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
- 361 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1258 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
610
WUUS52 KFFC 220010
SVRFFC
GAC089-121-220100-
/O.NEW.KFFC.SV.W.0129.120522T0010Z-120522T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
810 PM EDT MON MAY 21 2012
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
DEKALB COUNTY IN NORTH CENTRAL GEORGIA
CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 900 PM EDT
* AT 808 PM EDT...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
BUCKHEAD...MOVING EAST AT 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SANDY
SPRINGS...MIDTOWN...ATLANTA...GRANT PARK-ZOO ATLANTA...DRUID
HILLS...CHAMBLEE...DECATUR...DORAVILLE...PINE LAKE...AVONDALE
ESTATES...STONE MOUNTAIN...CLARKSTON AND TUCKER.
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 3388 8444 3391 8445 3392 8444 3393 8442
3394 8426 3392 8426 3383 8414 3369 8415
3373 8438 3384 8446
TIME...MOT...LOC 0010Z 274DEG 9KT 3383 8442
$$3 follow-up statements
898
WWUS52 KFFC 220026
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
826 PM EDT MON MAY 21 2012
GAC089-121-220100-
/O.CON.KFFC.SV.W.0129.000000T0000Z-120522T0100Z/
DEKALB GA-FULTON GA-
826 PM EDT MON MAY 21 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR CENTRAL FULTON AND CENTRAL DEKALB COUNTIES...
AT 821 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
LA VISTA...MOVING EAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
LAKE...DORAVILLE...DECATUR...SCOTTDALE...AVONDALE ESTATES...
PANTHERSVILLE...CLARKSTON...TUCKER...PINE LAKE...STONE MOUNTAIN AND
BELMONT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
&&
LAT...LON 3392 8441 3391 8424 3383 8415 3370 8415
3369 8416 3373 8439 3380 8443
TIME...MOT...LOC 0026Z 279DEG 21KT 3382 8432
$$743
WWUS52 KFFC 220032
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
832 PM EDT MON MAY 21 2012
GAC121-220042-
/O.CAN.KFFC.SV.W.0129.000000T0000Z-120522T0100Z/
FULTON GA-
832 PM EDT MON MAY 21 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FULTON 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 3391 8434 3392 8427 3390 8423 3382 8416
3378 8415 3369 8416 3369 8419 3372 8434
TIME...MOT...LOC 0032Z 279DEG 21KT 3381 8428
$$
GAC089-220100-
/O.CON.KFFC.SV.W.0129.000000T0000Z-120522T0100Z/
DEKALB GA-
832 PM EDT MON MAY 21 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR CENTRAL DEKALB COUNTY...
AT 831 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZED HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS
STORM WAS LOCATED NEAR SCOTTDALE...MOVING EAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
AVONDALE ESTATES...PANTHERSVILLE...CLARKSTON...TUCKER...PINE LAKE...
STONE MOUNTAIN AND BELMONT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
&&
LAT...LON 3391 8434 3392 8427 3390 8423 3382 8416
3378 8415 3369 8416 3369 8419 3372 8434
TIME...MOT...LOC 0032Z 279DEG 21KT 3381 8428
$$122
WWUS52 KFFC 220052
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
852 PM EDT MON MAY 21 2012
GAC089-220101-
/O.EXP.KFFC.SV.W.0129.000000T0000Z-120522T0100Z/
DEKALB GA-
852 PM EDT MON MAY 21 2012
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN DEKALB COUNTY EXPIRES
AT 900 PM EDT...
AT 849 PM EDT...THE THUNDERSTORM HAS WEAKENED BELOW SEVERE CRITERIA.
THIS STORM WAS LOCATED NEAR STONE MOUNTAIN...MOVING EAST AT 25 MPH.
.
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 3391 8434 3392 8427 3390 8423 3382 8416
3378 8415 3369 8416 3369 8419 3372 8434
TIME...MOT...LOC 0051Z 279DEG 21KT 3379 8415
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:01 PM EDT | Severe Thunderstorm Warning | FFC | Jackson, Madison | 44 min |
| May 21, 8:03 PM EDT | Special Weather Statement | FFC | Haralson | 27 min |
| May 21, 8:14 PM EDT | Special Weather Statement | FFC | Barrow | 31 min |
| May 21, 8:47 PM EDT | Special Weather Statement | FFC | Clarke, Greene, Madison, Oconee, Oglethorpe | 28 min |
| May 22, 2:21 PM EDT | Special Weather Statement | FFC | Toombs | 24 min |
| May 22, 2:23 PM EDT | Special Weather Statement | FFC | Catoosa, Dade, Walker | 37 min |
| May 22, 2:29 PM EDT | Special Weather Statement | FFC | Emanuel, Treutlen | 31 min |
| May 22, 2:34 PM EDT | Special Weather Statement | FFC | Pickens | 26 min |
| May 22, 2:35 PM EDT | Special Weather Statement | FFC | Dawson, Forsyth | 25 min |
| May 22, 2:40 PM EDT | Special Weather Statement | FFC | Montgomery, Toombs | 20 min |
| May 22, 2:42 PM EDT | Special Weather Statement | FFC | Banks, Hall | 33 min |
| May 22, 2:52 PM EDT | Special Weather Statement | FFC | Emanuel, Toombs | 38 min |
| May 22, 2:54 PM EDT | Special Weather Statement | FFC | Catoosa, Dade, Walker, Whitfield | 36 min |
| May 22, 2:57 PM EDT | Severe Thunderstorm Warning | FFC | Toombs | 33 min |
| May 22, 2:58 PM EDT | Special Weather Statement | FFC | Dawson, Pickens | 32 min |
| May 22, 3:27 PM EDT | Special Weather Statement | FFC | Emanuel | 18 min |
| May 22, 3:30 PM EDT | Special Weather Statement | FFC | Catoosa, Dade, Walker, Whitfield | 30 min |
| May 22, 3:43 PM EDT | Special Weather Statement | FFC | Dawson, Forsyth, Gilmer, Lumpkin, Pickens | 32 min |
| May 22, 3:53 PM EDT | Special Weather Statement | FFC | Catoosa, Dade, Murray, Walker, Whitfield | 37 min |
| May 22, 4:27 PM EDT | Special Weather Statement | FFC | Catoosa, Dade, Fannin, Gilmer, Murray, Walker and 1 more | 33 min |
| May 22, 4:58 PM EDT | Special Weather Statement | FFC | Catoosa, Chattooga, Dade, Gilmer, Gordon, Murray and 3 more | 32 min |
| May 22, 5:43 PM EDT | Special Weather Statement | FFC | Chattooga, Dawson, Gordon, Pickens | 32 min |
| May 22, 6:59 PM EDT | Special Weather Statement | FFC | Barrow, Gwinnett | 31 min |
| May 22, 7:44 PM EDT | Special Weather Statement | FFC | Barrow, Gwinnett, Oconee, Walton | 31 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.