Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 376, NWS Atlanta, GA

June 24, 2011Carroll County, Haralson County, Heard County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 24, 2011, 7:33 PM EDT for Carroll County, Haralson County, Heard County, Georgia. It was in force for 27 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 24, 2011, 7:33 PM EDT (23:33 UTC)
Expired: Jun 24, 2011, 8:00 PM EDT
In force: 27 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), 49 km from the middle of the area, began a volume at 23:34 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

Time	Report	Where	Remark
Jun 24, 7:38 PM EDT	TSTM WND DMG	Carrollton, GA	6-10 TREES DOWN COUNTYWIDE.

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 24, 2:49 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.6 hours before the alert went out and 55 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: 1316 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 39 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.

534 
WUUS52 KFFC 242333
SVRFFC
GAC045-143-149-250000-
/O.NEW.KFFC.SV.W.0376.110624T2333Z-110625T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
733 PM EDT FRI JUN 24 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 800 PM EDT

* AT 729 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED 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 TALLAPOOSA TO BOWDON TO NORTHWEST OF EPHESUS...
  MOVING SOUTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WACO...MOUNT ZION...BREMEN...ROOPVILLE...CARROLLTON...
  CENTRALHATCHEE...FRANKLIN...CORINTH AND WHITESBURG.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR NORTHERN GEORGIA.

&&

LAT...LON 3385 8537 3363 8490 3345 8492 3344 8496
      3346 8498 3343 8501 3324 8494 3317 8508
      3319 8509 3319 8512 3329 8528
TIME...MOT...LOC 2333Z 306DEG 36KT 3375 8523 3353 8525
          3343 8532

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 1:44 PM EDT	Special Weather Statement	FFC	Fannin, Gilmer, Lumpkin, Union	46 min
Jun 24, 2:04 PM EDT	Special Weather Statement	FFC	Towns	26 min
Jun 24, 2:30 PM EDT	Special Weather Statement	FFC	Towns, Union, White	45 min
Jun 24, 2:50 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	40 min
Jun 24, 3:04 PM EDT	Severe Thunderstorm Warning	FFC	Hall, Lumpkin, White	41 min
Jun 24, 3:27 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Murray, Walker, Whitfield	48 min
Jun 24, 3:31 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer	16 min
Jun 24, 4:12 PM EDT	Special Weather Statement	FFC	Catoosa, Dade, Fannin, Gilmer, Gordon, Murray and 2 more	48 min
Jun 24, 4:38 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Dade, Floyd, Walker	37 min
Jun 24, 4:56 PM EDT	Special Weather Statement	FFC	Dawson, Lumpkin	34 min
Jun 24, 5:08 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	22 min
Jun 24, 5:18 PM EDT	Special Weather Statement	FFC	Cherokee, Dawson, Forsyth, Pickens	42 min
Jun 24, 5:25 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Floyd, Gordon, Pickens	50 min
Jun 24, 5:28 PM EDT	Special Weather Statement	FFC	Banks	32 min
Jun 24, 5:35 PM EDT	Special Weather Statement	FFC	Hall, White	25 min
Jun 24, 5:56 PM EDT	Special Weather Statement	FFC	Cobb, Paulding, Polk	49 min
Jun 24, 5:59 PM EDT	Special Weather Statement	FFC	Upson	31 min
Jun 24, 6:04 PM EDT	Special Weather Statement	FFC	Banks, Jackson	41 min
Jun 24, 6:14 PM EDT	Special Weather Statement	FFC	Oglethorpe	46 min
Jun 24, 6:24 PM EDT	Special Weather Statement	FFC	Fayette	36 min
Jun 24, 6:28 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fulton	47 min
Jun 24, 6:29 PM EDT	Special Weather Statement	FFC	DeKalb, Fulton, Gwinnett	46 min
Jun 24, 6:32 PM EDT	Special Weather Statement	FFC	Haralson, Paulding	43 min
Jun 24, 6:35 PM EDT	Special Weather Statement	FFC	Upson	40 min
Jun 24, 6:39 PM EDT	Special Weather Statement	FFC	Madison	36 min
Jun 24, 6:54 PM EDT	Special Weather Statement	FFC	Clayton	36 min
Jun 24, 7:01 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson	16 min
Jun 24, 7:05 PM EDT	Special Weather Statement	FFC	Clayton, Fayette, Henry	40 min
Jun 24, 7:21 PM EDT	Special Weather Statement	FFC	Coweta	24 min
Jun 24, 7:43 PM EDT	Special Weather Statement	FFC	Clayton, Coweta, Fayette, Henry, Spalding	47 min
Jun 24, 7:46 PM EDT	Special Weather Statement	FFC	Taliaferro	29 min
Jun 24, 7:54 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Douglas, Fulton, Heard	51 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.