Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 519, NWS Atlanta, GA

December 22, 20114 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Dec 22, 2011, 5:32 PM EST for 4 counties in Georgia. It was in force for 43 min. 8 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
Dec 22, 2011, 5:32 PM EST (22:32 UTC)
Expired
Dec 22, 2011, 6:15 PM EST
In force
43 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Coweta County, GA, Fayette County, GA, Meriwether County, GA, Troup County, GA

The radar

The Atlanta radar (KFFC), 17 km from the middle of the area, began a volume at 22:34 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

TimeReportWhereRemark
Dec 22, 5:34 PM ESTTSTM WND DMGHogansville, GA911 RELAYED A REPORT OF SEVERAL TREES DOWN IN THE HOGANSVILLE AREA.
Dec 22, 5:44 PM ESTTSTM WND DMG5 S Luthersville, GA911 RELAYES A REPORT OF THREE TREES DOWN IN THE PRIMROSE COMMUNITY.
Dec 22, 5:44 PM ESTTORNADO 12 Sw Moreland, GAA NATIONAL WEATHER SERVICE ASSESSMENT TEAM DETERMINED THAT AS THE STORM PROGRESSED NORTHEAST...A CIRCULATION DEVELOPED AND TIGHTENED BETWEEN GRANTVILLE AND MORELAND RESULTING IN SHORT LIVED TORNADO DAMAGE. A DAMAGE PATH OF JUST OVER A MILE WAS FOUND WITH EF1 D
Dec 22, 5:45 PM ESTTSTM WND DMG2 Sw Moreland, GAPOWER LINES DOWN ON WEST GRANTVILLE RD.
Dec 22, 5:50 PM ESTTSTM WND DMG2 Ne Moreland, GAPOWER LINES DOWN ON MARTIN MILL RD.
Dec 22, 6:16 PM ESTTORNADO 12 S Woolsey, GAAN NWS ASSESSMENT TEAM DETERMINED THAT A WEAK TORNADO WITH WINDS OF 95 MPH TOUCHED DOWN AROUND 616 PM EST ON THE NORTHEAST SHORE OF LAKE HORTON NEAR THE END OF WOOLSEY CREEK TRAIL AND JUST WEST OF HIGHWAY 92. THE TORNADO TRAVELED 1.6 MILES WITH INTERMITTENT DA
Dec 22, 6:18 PM ESTTORNADO 05 Nnw Fayetteville, GAA NWS DAMAGE SURVEY CONCLUDED A WEAK TORNADO...RATED EF0 WITH MAXIMUM WINDS OF 80 MPH...TOUCHED DOWN NEAR LEES MILL RD JUST WEST OF HWY 92 IN NORTHERN FAYETTE COUNTY. THE TORNADO TRAVELED NORTHEAST ABOUT 1 MILE. ABOUT 50 TREES AND 6 POWER POLES WERE SNAPPED OR
Dec 22, 6:20 PM ESTTSTM WND DMG1 E Woolsey, GAEMERGENCY MANAGER REPORTED ROOF DAMAGE TO RESIDENCE ALONG MUD BRIDGE ROAD ALONG WITH A LARGE BARN AND TWO OUT HOUSES DESTROYED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Dec 22, 3:20 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.5 hours before the alert went out and 23 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2011-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2011-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
26 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

619 
WUUS52 KFFC 222232
SVRFFC
GAC077-113-199-285-222315-
/O.NEW.KFFC.SV.W.0519.111222T2232Z-111222T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
532 PM EST THU DEC 22 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAYETTE COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHEASTERN COWETA COUNTY IN WEST CENTRAL GEORGIA
  NORTHERN MERIWETHER COUNTY IN WEST CENTRAL GEORGIA
  NORTHEASTERN TROUP COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 615 PM EST

* AT 530 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED NEAR HOGANSVILLE...MOVING NORTHEAST AT
  45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LONE
  OAK...GRANTVILLE...LUTHERSVILLE...MORELAND...SHARPSBURG...TURIN...
  HARALSON...SENOIA...PEACHTREE CITY...BROOKS...FAYETTEVILLE AND
  WOOLSEY.

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...LARGE HAIL OR SIGNIFICANT 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST THURSDAY EVENING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3320 8502 3322 8495 3325 8494 3353 8448
      3338 8439 3332 8438 3329 8442 3326 8443
      3325 8451 3321 8450 3303 8498 3316 8509
TIME...MOT...LOC 2232Z 244DEG 38KT 3315 8493

$$
1 follow-up statement
818 
WWUS52 KFFC 222256
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
556 PM EST THU DEC 22 2011

GAC285-222306-
/O.CAN.KFFC.SV.W.0519.000000T0000Z-111222T2315Z/
TROUP GA-
556 PM EST THU DEC 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TROUP COUNTY IS 
CANCELLED...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST THURSDAY EVENING
FOR NORTHERN GEORGIA.

LAT...LON 3353 8448 3338 8439 3332 8438 3329 8442
      3326 8443 3325 8451 3321 8450 3313 8472
      3326 8477 3331 8484
TIME...MOT...LOC 2256Z 244DEG 38KT 3326 8466

$$

GAC077-113-199-222315-
/O.CON.KFFC.SV.W.0519.000000T0000Z-111222T2315Z/
MERIWETHER GA-COWETA GA-FAYETTE GA-
556 PM EST THU DEC 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EST
FOR FAYETTE...SOUTHEASTERN COWETA AND NORTHEASTERN MERIWETHER
COUNTIES...

AT 553 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP
TO 60 MPH. THIS STORM WAS LOCATED NEAR LUTHERSVILLE...MOVING 
NORTHEAST AT 45 MPH. THERE IS ALSO A TORNADO WARNING IN EFFECT FOR A 
PORTION OF THE WARNED AREA.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SHARPSBURG...TURIN...HARALSON...SENOIA...PEACHTREE CITY...STARRS
MILL...BROOKS...LAKE HORTON...FAYETTEVILLE...INMAN AND WOOLSEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST THURSDAY EVENING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3353 8448 3338 8439 3332 8438 3329 8442
      3326 8443 3325 8451 3321 8450 3313 8472
      3326 8477 3331 8484
TIME...MOT...LOC 2256Z 244DEG 38KT 3326 8466

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 21, 9:11 PM ESTDense Fog AdvisoryFFCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 47 more11 hr
Dec 22, 8:04 AM ESTDense Fog AdvisoryFFCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 47 more116 min
Dec 22, 3:51 PM ESTSpecial Weather StatementFFCChattooga, Floyd, Haralson, Polk39 min
Dec 22, 4:14 PM ESTSpecial Weather StatementFFCCarroll61 min
Dec 22, 4:26 PM ESTSevere Thunderstorm WarningFFCHaralson, Polk32 min
Dec 22, 4:34 PM ESTSpecial Weather StatementFFCTowns, Union26 min
Dec 22, 4:37 PM ESTSpecial Weather StatementFFCBartow, Catoosa, Chattooga, Floyd, Gordon, Murray and 2 more53 min
Dec 22, 4:39 PM ESTSpecial Weather StatementFFCHeard, Troup66 min
Dec 22, 4:52 PM ESTSevere Thunderstorm WarningFFCBartow, Floyd, Gordon23 min
Dec 22, 4:56 PM ESTSpecial Weather StatementFFCPaulding34 min
Dec 22, 5:13 PM ESTSevere Thunderstorm WarningFFCGordon32 min
Dec 22, 5:15 PM ESTSevere Thunderstorm WarningFFCCarroll, Coweta, Douglas, Fulton, Heard45 min
Dec 22, 5:23 PM ESTSevere Thunderstorm WarningFFCGilmer, Murray, Pickens25 min
Dec 22, 5:29 PM ESTSpecial Weather StatementFFCCherokee, Dawson, Forsyth, Pickens31 min
Dec 22, 5:36 PM ESTSpecial Weather StatementFFCCobb24 min
Dec 22, 5:40 PM ESTSpecial Weather StatementFFCMeriwether35 min
Dec 22, 5:44 PM ESTTornado WarningFFCCoweta, Fayette, Meriwether46 min
Dec 22, 6:02 PM ESTSevere Thunderstorm WarningFFCHarris, Meriwether, Pike, Talbot, Upson43 min
Dec 22, 6:08 PM ESTSpecial Weather StatementFFCDeKalb, Forsyth, Fulton, Gwinnett, Hall37 min
Dec 22, 6:11 PM ESTSevere Thunderstorm WarningFFCClayton, Fayette, Henry, Pike, Spalding49 min
Dec 22, 6:35 PM ESTSpecial Weather StatementFFCMarion, Schley, Taylor25 min
Dec 22, 6:35 PM ESTSevere Thunderstorm WarningFFCHall27 min
Dec 22, 6:43 PM ESTSpecial Weather StatementFFCLamar, Monroe, Upson47 min
Dec 22, 6:58 PM ESTSpecial Weather StatementFFCBanks, Barrow, Clarke, Gwinnett, Jackson, Madison and 1 more47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011Every severe thunderstorm warning in 2011

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.