Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 363, NWS Atlanta, GA

June 22, 20119 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 22, 2011, 4:51 PM EDT for 9 counties in Georgia. It was in force for 54 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
Jun 22, 2011, 4:51 PM EDT (20:51 UTC)
Expired
Jun 22, 2011, 5:45 PM EDT
In force
54 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Banks County, GA, Barrow County, GA, Clarke County, GA, Gwinnett County, GA, Hall County, GA, Jackson County, GA, Madison County, GA, Oconee County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 123 km from the middle of the area, began a volume at 20:53 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

TimeReportWhereRemark
Jun 22, 5:07 PM EDTTSTM WND DMG3 Wnw Winder, GABARROW COUNTY 911 RELAYED A REPORT OF SEVERAL TREES DOWN.
Jun 22, 5:20 PM EDTTSTM WND DMG4 Nw North High Shoals, GAOCONEE COUNTY 911 RELAYED REPORTS OF SEVERAL DOWNED TREES IN THE AREA OF MOORES FORD AND RIDGEWAY ROADS.
Jun 22, 5:20 PM EDTTSTM WND DMG4 S Statham, GAOCONEE COUNTY 911 RELAYED REPORTS OF 2 TREES AND A POWERLINE DOWN.
Jun 22, 5:22 PM EDTTSTM WND DMGCampton, GAWALTON COUNTY EMA RELAYED A REPORT OF A FEW TREES AND POWERLINES DOWN ACROSS THE COUNTY.
Jun 22, 5:23 PM EDTTSTM WND DMG3 Nnw Flowery Branch, GAPUBLIC REPORTS A LARGE RED OAK TREE WAS DOWNED BY WINDS.
Jun 22, 5:40 PM EDTTSTM WND DMG4 Sw Athens, GAOCONEE COUNTY 911 RELAYED REPORTS OF SEVERAL DOWNED LINES NEAR THE MALCOLM BRIDGE AND LENRU ROADS AREA.
Jun 22, 5:45 PM EDTTSTM WND DMGAthens, GAATHENS-CLARKE COUNTY 911 REPORTS 2 DOWNED TREES.
Jun 22, 5:53 PM EDTTSTM WND DMG2 W Commerce, GAJACKSON COUNTY 911 RELAYED A REPORT OF 2 TREES DOWNED ONTO POWERLINES ON THE NORTHERN END 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, 8.9 hours before the alert went out and 118 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.

866 
WUUS52 KFFC 222051
SVRFFC
GAC011-013-059-135-139-157-195-219-297-222145-
/O.NEW.KFFC.SV.W.0363.110622T2051Z-110622T2145Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARROW COUNTY IN NORTH CENTRAL GEORGIA
  NORTHEASTERN GWINNETT COUNTY IN NORTH CENTRAL GEORGIA
  HALL COUNTY IN NORTH CENTRAL GEORGIA
  WALTON COUNTY IN NORTH CENTRAL GEORGIA
  BANKS COUNTY IN NORTHEAST GEORGIA
  WESTERN CLARKE COUNTY IN NORTHEAST GEORGIA
  JACKSON COUNTY IN NORTHEAST GEORGIA
  WESTERN MADISON COUNTY IN NORTHEAST GEORGIA
  NORTHWESTERN OCONEE COUNTY IN NORTHEAST GEORGIA

* UNTIL 545 PM EDT

* AT 449 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
  SUGAR HILL TO DACULA TO 12 MILES SOUTHWEST OF JERSEY...MOVING
  NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BUFORD...REST HAVEN...AUBURN...CARL...BETWEEN...FLOWERY BRANCH...
  SOCIAL CIRCLE...HOSCHTON...BRASELTON...OAKWOOD...WINDER...
  BETHLEHEM...MONROE...TALMO...GAINESVILLE...PENDERGRASS...GOOD
  HOPE...STATHAM...JEFFERSON...ARCADE...GILLSVILLE...MAYSVILLE...
  BOGART...NORTH HIGH SHOALS...LULA...HOMER...COMMERCE...NICHOLSON
  AND ATHENS.

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 3449 8345 3446 8339 3433 8339 3416 8328
      3388 8340 3381 8349 3380 8352 3363 8371
      3369 8383 3391 8388 3415 8409 3419 8404
      3419 8399 3427 8395 3450 8365 3444 8362
      3450 8353
TIME...MOT...LOC 2051Z 225DEG 38KT 3409 8400 3394 8387
          3357 8388

$$
1 follow-up statement
926 
WWUS52 KFFC 222129
SVSFFC

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

GAC135-222136-
/O.CAN.KFFC.SV.W.0363.000000T0000Z-110622T2145Z/
GWINNETT GA-
529 PM EDT WED JUN 22 2011

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

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA. RAIN AND
OCCASIONAL CLOUD TO GROUND LIGHTNING WILL REMAIN A THREAT THROUGH 
600 PM EDT.

IF YOU SAW 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 3449 8347 3446 8339 3433 8339 3416 8328
      3388 8340 3375 8358 3410 8383 3412 8382
      3412 8384 3427 8395 3450 8365 3444 8362
      3450 8353
TIME...MOT...LOC 2126Z 225DEG 39KT 3433 8376 3408 8345
          3388 8347

$$

GAC011-013-059-139-157-195-219-297-222145-
/O.CON.KFFC.SV.W.0363.000000T0000Z-110622T2145Z/
WALTON GA-OCONEE GA-MADISON GA-BANKS GA-BARROW GA-CLARKE GA-HALL GA-
JACKSON GA-
529 PM EDT WED JUN 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR JACKSON...HALL...WESTERN CLARKE...BARROW...BANKS...WESTERN
MADISON...NORTHWESTERN OCONEE AND NORTHEASTERN WALTON COUNTIES...

AT 521 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG TO SEVERE THUNDERSTORMS CAPABLE OF PRODUCING  
DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE SCATTERED ALONG A 
LINE EXTENDING FROM GAINESVILLE TO NEAR JEFFERSON TO 10 MILES WEST 
OF ATHENS...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO APPLE
VALLEY...NICHOLSON...OCONEE HEIGHTS...CENTER...GILLSVILLE...BEECHWOOD
HILLS...MAYSVILLE...JAMES HOLLAND YOUTH SPORTS COMPLEX...COMMERCE...
SANDY CREEK RECREATION AREA...LULA...ATHENS...BARRETTS MILL...BANKS
CROSSING...SANFORD...FIVE POINTS...HOMER...NEESE...ILA...PINEFIELD
CROSSROADS AND HOLLINGSWORTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS 
IMMEDIATELY. LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. 
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING.

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 3449 8347 3446 8339 3433 8339 3416 8328
      3388 8340 3375 8358 3410 8383 3412 8382
      3412 8384 3427 8395 3450 8365 3444 8362
      3450 8353
TIME...MOT...LOC 2126Z 225DEG 39KT 3433 8376 3408 8345
          3388 8347

$$

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, 4:13 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Forsyth, Fulton, Gwinnett, Henry and 4 more62 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, 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.