Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 365, NWS Atlanta, GA

June 22, 2011Carroll County, Haralson County, Heard County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 22, 2011, 6:58 PM EDT for Carroll County, Haralson County, Heard County, Georgia. It was in force for 47 min. 1 report 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, 6:58 PM EDT (22:58 UTC)
Expired: Jun 22, 2011, 7:45 PM EDT
In force: 47 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Carroll County, GA, Haralson County, GA, Heard County, GA

The radar

The Atlanta radar (KFFC), 52 km from the middle of the area, began a volume at 22:58 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 22, 7:17 PM EDT	TSTM WND DMG	4 Se Ephesus, GA	HEARD COUNTY 911 RELAYED A REPORT OF A DOWNED TREE ON ANTIOCH ROAD.

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, 11.0 hours before the alert went out and 57 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: 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.

857 
WUUS52 KFFC 222258
SVRFFC
GAC045-143-149-222345-
/O.NEW.KFFC.SV.W.0365.110622T2258Z-110622T2345Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARROLL COUNTY IN NORTHWEST GEORGIA
  SOUTHEASTERN HARALSON COUNTY IN NORTHWEST GEORGIA
  NORTHWESTERN HEARD COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 745 PM EDT

* AT 653 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
  11 MILES WEST OF BOWDON TO 7 MILES WEST OF EPHESUS TO 10 MILES WEST
  OF EPHESUS...MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ROOPVILLE...MOUNT ZION...WACO...BREMEN...CARROLLTON...TEMPLE AND
  VILLA RICA.

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 3369 8535 3389 8504 3382 8504 3378 8490
      3372 8491 3365 8490 3344 8495 3346 8498
      3343 8500 3343 8501 3342 8502 3332 8528
TIME...MOT...LOC 2258Z 232DEG 37KT 3354 8539 3346 8532
          3339 8537

$$

1 follow-up statement

301 
WWUS52 KFFC 222336
SVSFFC

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

GAC149-222345-
/O.CAN.KFFC.SV.W.0365.000000T0000Z-110622T2345Z/
HEARD GA-
736 PM EDT WED JUN 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HEARD COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED.

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 3369 8535 3389 8504 3382 8504 3381 8500
      3377 8490 3372 8491 3365 8490 3344 8495
      3346 8498 3343 8500 3343 8502 3343 8530
TIME...MOT...LOC 2335Z 232DEG 37KT 3367 8504 3358 8501
          3351 8503

$$

GAC045-143-222345-
/O.CON.KFFC.SV.W.0365.000000T0000Z-110622T2345Z/
CARROLL GA-HARALSON GA-
736 PM EDT WED JUN 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHERN HARALSON AND CARROLL COUNTIES...

AT 731 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 ABILENE TO CARROLLTON TO LOWELL...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TEMPLE...SEATON LAKE...TREASURE LAKE...DRAKETOWN AND VILLA RICA.

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 3369 8535 3389 8504 3382 8504 3381 8500
      3377 8490 3372 8491 3365 8490 3344 8495
      3346 8498 3343 8500 3343 8502 3343 8530
TIME...MOT...LOC 2335Z 232DEG 37KT 3367 8504 3358 8501
          3351 8503

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 8:07 PM EDT	Special Weather Statement	FFC	Taliaferro	38 min
Jun 21, 8:17 PM EDT	Special Weather Statement	FFC	Bleckley, Pulaski	43 min
Jun 21, 8:21 PM EDT	Special Weather Statement	FFC	Hancock	39 min
Jun 21, 8:56 PM EDT	Special Weather Statement	FFC	Laurens	49 min
Jun 21, 9:05 PM EDT	Special Weather Statement	FFC	Wilkinson	40 min
Jun 21, 9:34 PM EDT	Special Weather Statement	FFC	Washington	41 min
Jun 21, 10:53 PM EDT	Special Weather Statement	FFC	Jefferson	37 min
Jun 21, 11:54 PM EDT	Special Weather Statement	FFC	Houston	51 min
Jun 22, 2:49 PM EDT	Special Weather Statement	FFC	Coweta, Heard, Meriwether, Troup	41 min
Jun 22, 2:56 PM EDT	Special Weather Statement	FFC	Carroll, Douglas, Haralson, Paulding	34 min
Jun 22, 3:27 PM EDT	Special Weather Statement	FFC	Carroll, Chattahoochee, Coweta, Douglas, Fayette, Harris and 5 more	33 min
Jun 22, 3:51 PM EDT	Special Weather Statement	FFC	Clayton, Cobb, DeKalb, Douglas, Fayette, Fulton and 4 more	39 min
Jun 22, 4:13 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, DeKalb, Forsyth, Fulton, Gwinnett, Henry and 4 more	62 min
Jun 22, 4:30 PM EDT	Special Weather Statement	FFC	Cherokee, Dawson	45 min
Jun 22, 4:41 PM EDT	Special Weather Statement	FFC	Fannin	34 min
Jun 22, 4:44 PM EDT	Special Weather Statement	FFC	Lamar, Monroe, Upson	46 min
Jun 22, 4:51 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Barrow, Clarke, Gwinnett, Hall, Jackson and 3 more	54 min
Jun 22, 5:11 PM EDT	Special Weather Statement	FFC	Lumpkin, Union	49 min
Jun 22, 5:22 PM EDT	Special Weather Statement	FFC	Baldwin, Bibb, Houston, Jasper, Jones, Peach and 2 more	38 min
Jun 22, 5:37 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Clarke, Hall, Jackson, Madison, Oconee and 1 more	38 min
Jun 22, 6:18 PM EDT	Special Weather Statement	FFC	Dade	27 min
Jun 22, 6:20 PM EDT	Special Weather Statement	FFC	Madison, Oglethorpe	40 min
Jun 22, 6:36 PM EDT	Special Weather Statement	FFC	Carroll, Haralson, Heard	39 min
Jun 22, 7:11 PM EDT	Special Weather Statement	FFC	Haralson, Polk	64 min
Jun 22, 7:21 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Haralson, Polk	43 min
Jun 22, 7:48 PM EDT	Special Weather Statement	FFC	Cobb, Douglas	42 min
Jun 22, 7:56 PM EDT	Special Weather Statement	FFC	Bartow, Gordon, Pickens	49 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.