Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 362, NWS Atlanta, GA

June 22, 201110 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 22, 2011, 4:13 PM EDT for 10 counties in Georgia. It was in force for 62 min. 4 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
Jun 22, 2011, 4:13 PM EDT (20:13 UTC)
Expired
Jun 22, 2011, 5:15 PM EDT
In force
62 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Clayton County, GA, DeKalb County, GA, Forsyth County, GA, Fulton County, GA, Gwinnett County, GA, Henry County, GA, Newton County, GA, Rockdale County, GA, Spalding County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 55 km from the middle of the area, began a volume at 20:17 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
Jun 22, 4:15 PM EDTTSTM WND DMG6 Sse Atlanta, GAFULTON COUNTY EMERGENCY MANAGEMENT REPORTS SEVERAL POWER LINES DOWN AROUND THE COUNTY.
Jun 22, 4:15 PM EDTTSTM WND GST 605 E Atlanta, GA
Jun 22, 4:20 PM EDTTSTM WND DMG3 Ese Decatur, GADEKALB COUNTY 911 RELAYED REPORTS OF 2 DOWNED TREES AND MORE THAN 6 POWER LINES DOWN.
Jun 22, 4:35 PM EDTTSTM WND DMG2 Sse Norcross, GAGWINNETT COUNTY 911 RELAYED REPORTS OF AT LEAST 6 TREES AND 5 POWER LINES DOWNED IN THE WESTERN PART OF THE COUNTY.

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, 8.2 hours before the alert went out and 50 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 2011-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 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 2011-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.193958Sfc1 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
43 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1250 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

568 
WUUS52 KFFC 222013
SVRFFC
GAC063-089-117-121-135-151-217-247-255-297-222115-
/O.NEW.KFFC.SV.W.0362.110622T2013Z-110622T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
413 PM EDT WED JUN 22 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLAYTON COUNTY IN NORTH CENTRAL GEORGIA
  DEKALB COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHWESTERN FORSYTH COUNTY IN NORTH CENTRAL GEORGIA
  EAST CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA
  GWINNETT COUNTY IN NORTH CENTRAL GEORGIA
  HENRY COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN NEWTON COUNTY IN NORTH CENTRAL GEORGIA
  ROCKDALE COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN WALTON COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN SPALDING COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 515 PM EDT

* AT 412 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS UP
  TO 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  GRANT PARK-ZOO ATLANTA TO JONESBORO TO HAMPTON...MOVING NORTHEAST
  AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BUCKHEAD...DRUID HILLS...DECATUR...STOCKBRIDGE...LOCUST GROVE...
  AVONDALE ESTATES...MCDONOUGH...CLARKSTON...CHAMBLEE...DUNWOODY...
  DORAVILLE...TUCKER...PINE LAKE...STONE MOUNTAIN...NORCROSS...
  LITHONIA...LILBURN...BERKELEY LAKE...DULUTH...LAKEVIEW ESTATES...
  JOHNS CREEK...CONYERS...SNELLVILLE...PORTERDALE...SUWANEE...GEORGIA
  INTERNATIONAL HORSE PARK...LAWRENCEVILLE...COVINGTON...OXFORD...
  GRAYSON...CUMMING...LOGANVILLE AND WALNUT GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3423 8416 3386 8386 3371 8384 3354 8380
      3322 8429 3332 8435 3347 8439 3378 8445
TIME...MOT...LOC 2014Z 228DEG 30KT 3376 8434 3354 8429
          3339 8427 3339 8427

$$
3 follow-up statements
567 
WWUS52 KFFC 222034
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
434 PM EDT WED JUN 22 2011

GAC063-089-117-121-135-151-217-247-255-297-222115-
/O.CON.KFFC.SV.W.0362.000000T0000Z-110622T2115Z/
WALTON GA-SPALDING GA-ROCKDALE GA-NEWTON GA-DEKALB GA-FORSYTH GA-
GWINNETT GA-HENRY GA-CLAYTON GA-FULTON GA-
434 PM EDT WED JUN 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHEASTERN FULTON...EASTERN CLAYTON...HENRY...GWINNETT...SOUTH
CENTRAL FORSYTH...DEKALB...WESTERN NEWTON...ROCKDALE...EASTERN
SPALDING AND WEST CENTRAL WALTON COUNTIES...

AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM TUCKER TO PANOLA MOUNTAIN STATE PARK TO FLIPPEN...MOVING 
NORTHEAST AT 35 MPH. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MECHANICSVILLE...STONE MOUNTAIN...KLONDIKE...ARABIA MOUNTAIN...
NORCROSS...REDAN...KELLEYTOWN...LITHONIA...LILBURN...MOUNTAIN PARK...
BERKELEY LAKE...OAK HILL...PLEASANT HILL...MAGNET...ROCKY PLAINS...
LAKEVIEW ESTATES...DULUTH...JOHNS CREEK...CONYERS...CENTERVILLE...
MILSTEAD...BROOKWOOD...SNELLVILLE...PORTERDALE...ALMON...SUWANEE...
ROSEBUD...BIG HAYNES CREEK PARK...COVINGTON...LAWRENCEVILLE...GEORGIA
INTERNATIONAL HORSE PARK...OXFORD...GRAYSON...GUM CREEK...
LOGANVILLE...YOUTH AND WALNUT GROVE.

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.

&&

LAT...LON 3348 8436 3378 8433 3423 8416 3386 8386
      3371 8384 3354 8380 3322 8429 3332 8435
TIME...MOT...LOC 2034Z 228DEG 30KT 3387 8419 3365 8414
          3350 8412 3350 8412

$$
047 
WWUS52 KFFC 222040
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
440 PM EDT WED JUN 22 2011

GAC063-222049-
/O.CAN.KFFC.SV.W.0362.000000T0000Z-110622T2115Z/
CLAYTON GA-
440 PM EDT WED JUN 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CLAYTON COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY. 

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.

LAT...LON 3386 8386 3354 8380 3322 8429 3332 8435
      3344 8436 3343 8430 3349 8428 3355 8429
      3355 8426 3359 8424 3365 8429 3365 8434
      3378 8433 3423 8416
TIME...MOT...LOC 2039Z 228DEG 30KT 3390 8415 3368 8410
          3353 8408 3353 8408

$$

GAC089-117-121-135-151-217-247-255-297-222115-
/O.CON.KFFC.SV.W.0362.000000T0000Z-110622T2115Z/
WALTON GA-SPALDING GA-ROCKDALE GA-NEWTON GA-DEKALB GA-FORSYTH GA-
GWINNETT GA-HENRY GA-FULTON GA-
440 PM EDT WED JUN 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHEASTERN FULTON...HENRY...GWINNETT...SOUTH CENTRAL FORSYTH...
DEKALB...WESTERN NEWTON...ROCKDALE...EASTERN SPALDING AND WEST
CENTRAL WALTON COUNTIES...

AT 435 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM LILBURN TO KLONDIKE TO KELLEYTOWN...
MOVING NORTHEAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LITHONIA...MOUNTAIN PARK...BERKELEY LAKE...OAK HILL...PLEASANT
HILL...MAGNET...LAKEVIEW ESTATES...ROCKY PLAINS...DULUTH...CONYERS...
JOHNS CREEK...CENTERVILLE...MILSTEAD...BROOKWOOD...SNELLVILLE...
PORTERDALE...ALMON...SUWANEE...ROSEBUD...BIG HAYNES CREEK PARK...
LAWRENCEVILLE...COVINGTON...GEORGIA INTERNATIONAL HORSE PARK...
OXFORD...GRAYSON...GUM CREEK...LOGANVILLE...YOUTH AND WALNUT GROVE.

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.

&&

LAT...LON 3386 8386 3354 8380 3322 8429 3332 8435
      3344 8436 3343 8430 3349 8428 3355 8429
      3355 8426 3359 8424 3365 8429 3365 8434
      3378 8433 3423 8416
TIME...MOT...LOC 2039Z 228DEG 30KT 3390 8415 3368 8410
          3353 8408 3353 8408

$$
849 
WWUS52 KFFC 222050
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
450 PM EDT WED JUN 22 2011

GAC151-255-222100-
/O.CAN.KFFC.SV.W.0362.000000T0000Z-110622T2115Z/
SPALDING GA-HENRY GA-
450 PM EDT WED JUN 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR HENRY AND EASTERN SPALDING
COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY. 

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.

LAT...LON 3386 8386 3354 8380 3345 8393 3348 8395
      3351 8405 3353 8404 3355 8407 3356 8413
      3365 8419 3365 8422 3363 8424 3365 8424
      3365 8434 3378 8433 3423 8416
TIME...MOT...LOC 2050Z 228DEG 30KT 3396 8406 3374 8402
          3359 8400 3359 8400

$$

GAC089-117-121-135-217-247-297-222115-
/O.CON.KFFC.SV.W.0362.000000T0000Z-110622T2115Z/
WALTON GA-ROCKDALE GA-NEWTON GA-DEKALB GA-FORSYTH GA-GWINNETT GA-
FULTON GA-
450 PM EDT WED JUN 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHEASTERN FULTON...GWINNETT...SOUTH CENTRAL FORSYTH...
DEKALB...WESTERN NEWTON...ROCKDALE AND WEST CENTRAL WALTON
COUNTIES...

AT 444 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM PLEASANT HILL TO LAKEVIEW ESTATES TO
MAGNET...MOVING NORTHEAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MILSTEAD...BROOKWOOD...SNELLVILLE...PORTERDALE...ALMON...SUWANEE...
ROSEBUD...BIG HAYNES CREEK PARK...LAWRENCEVILLE...COVINGTON...GEORGIA
INTERNATIONAL HORSE PARK...OXFORD...GRAYSON...LOGANVILLE...GUM
CREEK...YOUTH AND WALNUT GROVE.

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.

&&

LAT...LON 3386 8386 3354 8380 3345 8393 3348 8395
      3351 8405 3353 8404 3355 8407 3356 8413
      3365 8419 3365 8422 3363 8424 3365 8424
      3365 8434 3378 8433 3423 8416
TIME...MOT...LOC 2050Z 228DEG 30KT 3396 8406 3374 8402
          3359 8400 3359 8400

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:07 PM EDTSpecial Weather StatementFFCTaliaferro38 min
Jun 21, 8:17 PM EDTSpecial Weather StatementFFCBleckley, Pulaski43 min
Jun 21, 8:21 PM EDTSpecial Weather StatementFFCHancock39 min
Jun 21, 8:56 PM EDTSpecial Weather StatementFFCLaurens49 min
Jun 21, 9:05 PM EDTSpecial Weather StatementFFCWilkinson40 min
Jun 21, 9:34 PM EDTSpecial Weather StatementFFCWashington41 min
Jun 21, 10:53 PM EDTSpecial Weather StatementFFCJefferson37 min
Jun 21, 11:54 PM EDTSpecial Weather StatementFFCHouston51 min
Jun 22, 2:49 PM EDTSpecial Weather StatementFFCCoweta, Heard, Meriwether, Troup41 min
Jun 22, 2:56 PM EDTSpecial Weather StatementFFCCarroll, Douglas, Haralson, Paulding34 min
Jun 22, 3:27 PM EDTSpecial Weather StatementFFCCarroll, Chattahoochee, Coweta, Douglas, Fayette, Harris and 5 more33 min
Jun 22, 3:51 PM EDTSpecial Weather StatementFFCClayton, Cobb, DeKalb, Douglas, Fayette, Fulton and 4 more39 min
Jun 22, 4:30 PM EDTSpecial Weather StatementFFCCherokee, Dawson45 min
Jun 22, 4:41 PM EDTSpecial Weather StatementFFCFannin34 min
Jun 22, 4:44 PM EDTSpecial Weather StatementFFCLamar, Monroe, Upson46 min
Jun 22, 4:51 PM EDTSevere Thunderstorm WarningFFCBanks, Barrow, Clarke, Gwinnett, Hall, Jackson and 3 more54 min
Jun 22, 5:11 PM EDTSpecial Weather StatementFFCLumpkin, Union49 min
Jun 22, 5:22 PM EDTSpecial Weather StatementFFCBaldwin, Bibb, Houston, Jasper, Jones, Peach and 2 more38 min
Jun 22, 5:37 PM EDTSevere Thunderstorm WarningFFCBanks, Clarke, Hall, Jackson, Madison, Oconee and 1 more38 min
Jun 22, 6:18 PM EDTSpecial Weather StatementFFCDade27 min
Jun 22, 6:20 PM EDTSpecial Weather StatementFFCMadison, Oglethorpe40 min
Jun 22, 6:36 PM EDTSpecial Weather StatementFFCCarroll, Haralson, Heard39 min
Jun 22, 6:58 PM EDTSevere Thunderstorm WarningFFCCarroll, Haralson, Heard47 min
Jun 22, 7:11 PM EDTSpecial Weather StatementFFCHaralson, Polk64 min
Jun 22, 7:21 PM EDTSevere Thunderstorm WarningFFCFloyd, Haralson, Polk43 min
Jun 22, 7:48 PM EDTSpecial Weather StatementFFCCobb, Douglas42 min
Jun 22, 7:56 PM EDTSpecial Weather StatementFFCBartow, Gordon, Pickens49 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.