Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 396, NWS Atlanta, GA

June 26, 20115 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 26, 2011, 7:10 PM EDT for 5 counties in Georgia. It was in force for 35 min. 3 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 26, 2011, 7:10 PM EDT (23:10 UTC)
Expired: Jun 26, 2011, 7:45 PM EDT
In force: 35 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Barrow County, GA, DeKalb County, GA, Gwinnett County, GA, Rockdale County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 78 km from the middle of the area, began a volume at 23:10 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
Jun 26, 7:15 PM EDT	TSTM WND DMG	Chamblee, GA	MORE THAN A DOZEN TREES DOWN. DETAILS UNAVAILBLE DUE TO CALL VOLUME.
Jun 26, 7:20 PM EDT	TSTM WND DMG	3 Se Gresham Park, GA	TWO TREES BLOWN DOWN...ONE TAKING DOWN A POWER LINE.
Jun 26, 7:43 PM EDT	TSTM WND DMG	Auburn, GA	3 TRESS DOWN.

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.

Issued	Product	Office	Lasted
Jun 26, 1:36 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 74 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1451 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1040 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 34 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.

890 
WUUS52 KFFC 262310
SVRFFC
GAC013-089-135-247-297-262345-
/O.NEW.KFFC.SV.W.0396.110626T2310Z-110626T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
710 PM EDT SUN JUN 26 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BARROW COUNTY IN NORTH CENTRAL GEORGIA
  DEKALB COUNTY IN NORTH CENTRAL GEORGIA
  GWINNETT COUNTY IN NORTH CENTRAL GEORGIA
  ROCKDALE COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN WALTON COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 745 PM EDT

* AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZED
  HAIL...AND DAMAGING WINDS UP TO 60 MPH.  THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM DULUTH TO STONE MOUNTAIN TO AVONDALE 
  ESTATES...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BUFORD...REST HAVEN...LITHONIA...LAWRENCEVILLE...SNELLVILLE...
  GRAYSON...LAKEVIEW ESTATES...DACULA...CONYERS...LOGANVILLE...
  AUBURN...CARL...GEORGIA INTERNATIONAL HORSE PARK...WALNUT GROVE...
  BETWEEN...WINDER...BETHLEHEM AND JERSEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND DAMAGE WITH THIS STORM MAY OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

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 3417 8406 3410 8388 3412 8382 3407 8383
      3404 8364 3390 8364 3368 8381 3374 8391
      3365 8393 3353 8404 3357 8414 3365 8419
      3365 8435 3397 8435 3396 8427 3400 8425
      3399 8420 3403 8417 3405 8410 3407 8412
TIME...MOT...LOC 2309Z 276DEG 37KT 3401 8406 3384 8412
          3367 8421

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 11:07 AM EDT	Severe Thunderstorm Warning	FFC	Walker	23 min
Jun 26, 12:01 PM EDT	Special Weather Statement	FFC	Chattooga	29 min
Jun 26, 2:30 PM EDT	Special Weather Statement	FFC	Marion	30 min
Jun 26, 2:46 PM EDT	Special Weather Statement	FFC	Polk	14 min
Jun 26, 3:06 PM EDT	Severe Thunderstorm Warning	FFC	Forsyth, Hall	24 min
Jun 26, 3:08 PM EDT	Severe Thunderstorm Warning	FFC	Macon, Schley, Taylor	37 min
Jun 26, 3:32 PM EDT	Special Weather Statement	FFC	Hall	28 min
Jun 26, 3:36 PM EDT	Special Weather Statement	FFC	Sumter	24 min
Jun 26, 3:40 PM EDT	Special Weather Statement	FFC	Hall	20 min
Jun 26, 3:47 PM EDT	Severe Thunderstorm Warning	FFC	Hall	28 min
Jun 26, 3:54 PM EDT	Special Weather Statement	FFC	Emanuel	36 min
Jun 26, 3:55 PM EDT	Special Weather Statement	FFC	Dade	50 min
Jun 26, 3:57 PM EDT	Special Weather Statement	FFC	Harris, Muscogee	33 min
Jun 26, 4:00 PM EDT	Special Weather Statement	FFC	Sumter	15 min
Jun 26, 4:08 PM EDT	Special Weather Statement	FFC	Sumter	37 min
Jun 26, 4:13 PM EDT	Special Weather Statement	FFC	Banks	32 min
Jun 26, 4:25 PM EDT	Special Weather Statement	FFC	Harris	35 min
Jun 26, 4:32 PM EDT	Special Weather Statement	FFC	Emanuel	28 min
Jun 26, 4:51 PM EDT	Special Weather Statement	FFC	Catoosa, Chattooga, Floyd, Walker, Whitfield	54 min
Jun 26, 4:52 PM EDT	Special Weather Statement	FFC	Crisp	23 min
Jun 26, 5:01 PM EDT	Special Weather Statement	FFC	Harris	29 min
Jun 26, 5:08 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd, Gordon	37 min
Jun 26, 5:12 PM EDT	Special Weather Statement	FFC	Crisp	33 min
Jun 26, 5:13 PM EDT	Special Weather Statement	FFC	Wheeler	32 min
Jun 26, 5:33 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon, Murray, Polk, Walker and 1 more	42 min
Jun 26, 5:35 PM EDT	Special Weather Statement	FFC	Troup	25 min
Jun 26, 5:38 PM EDT	Special Weather Statement	FFC	Crisp	37 min
Jun 26, 5:39 PM EDT	Special Weather Statement	FFC	Telfair, Wheeler	36 min
Jun 26, 5:51 PM EDT	Special Weather Statement	FFC	Harris	24 min
Jun 26, 5:53 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson	37 min
Jun 26, 5:56 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Troup	49 min
Jun 26, 6:00 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb, Paulding, Pickens	45 min
Jun 26, 6:03 PM EDT	Special Weather Statement	FFC	Meriwether, Pike	27 min
Jun 26, 6:06 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Murray	39 min
Jun 26, 6:09 PM EDT	Special Weather Statement	FFC	Marion	36 min
Jun 26, 6:12 PM EDT	Special Weather Statement	FFC	Fulton	33 min
Jun 26, 6:14 PM EDT	Special Weather Statement	FFC	Hall	31 min
Jun 26, 6:16 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Pike, Upson	44 min
Jun 26, 6:20 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Douglas, Fulton, Heard, Troup	40 min
Jun 26, 6:29 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	31 min
Jun 26, 6:35 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Cobb, Dawson, DeKalb, Forsyth, Fulton and 2 more	40 min
Jun 26, 6:43 PM EDT	Special Weather Statement	FFC	Fannin, Hall, Lumpkin, Towns, Union, White	62 min
Jun 26, 6:44 PM EDT	Special Weather Statement	FFC	Jackson	31 min
Jun 26, 6:49 PM EDT	Special Weather Statement	FFC	Marion	26 min
Jun 26, 6:51 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Coweta, Fayette, Fulton, Henry, Spalding	39 min
Jun 26, 6:52 PM EDT	Severe Thunderstorm Warning	FFC	Marion	53 min
Jun 26, 6:55 PM EDT	Special Weather Statement	FFC	Crawford	35 min
Jun 26, 6:58 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Pike, Upson	32 min
Jun 26, 7:05 PM EDT	Special Weather Statement	FFC	Troup	25 min
Jun 26, 7:09 PM EDT	Special Weather Statement	FFC	Laurens	36 min
Jun 26, 7:25 PM EDT	Special Weather Statement	FFC	Butts, Clayton, Fayette, Henry, Lamar, Newton and 3 more	50 min
Jun 26, 7:29 PM EDT	Special Weather Statement	FFC	Harris, Muscogee	31 min
Jun 26, 7:31 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Lamar, Monroe, Pike, Spalding	44 min
Jun 26, 7:32 PM EDT	Special Weather Statement	FFC	Crawford, Marion, Taylor	28 min
Jun 26, 7:40 PM EDT	Special Weather Statement	FFC	Banks, Barrow, Clarke, Hall, Jackson, Morgan and 4 more	50 min
Jun 26, 7:44 PM EDT	Special Weather Statement	FFC	Jasper	31 min
Jun 26, 7:50 PM EDT	Severe Thunderstorm Warning	FFC	Bibb	40 min
Jun 26, 7:54 PM EDT	Severe Thunderstorm Warning	FFC	Crawford, Taylor	30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011 Every 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.