Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 292, NWS Atlanta, GA

June 10, 2011Webster County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 10, 2011, 6:50 PM EDT for Webster County, Georgia. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 10, 2011, 6:50 PM EDT (22:50 UTC)
Expired: Jun 10, 2011, 7:14 PM EDT
In force: 24 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Webster County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 153 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: 492 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 1277 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 61 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.

631 
WUUS52 KFFC 102250
SVRFFC
GAC307-102330-
/O.NEW.KFFC.SV.W.0292.110610T2250Z-110610T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
650 PM EDT FRI JUN 10 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WEBSTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 730 PM EDT

* AT 645 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR WESTON...
  MOVING WEST AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

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 3192 8462 3206 8464 3213 8446 3193 8444
TIME...MOT...LOC 2249Z 068DEG 4KT 3196 8461

$$

1 follow-up statement

457 
WWUS52 KFFC 102314
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
714 PM EDT FRI JUN 10 2011

GAC307-102324-
/O.CAN.KFFC.SV.W.0292.000000T0000Z-110610T2330Z/
WEBSTER GA-
714 PM EDT FRI JUN 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WEBSTER COUNTY IS
CANCELLED...

.

THE SEVERE THUNDERSTORM HAS MOVED OUT OF SOUTHERN WEBSTER COUNTY AND 
SEVERE WEATHER IS NO LONGER EXPECTED.

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 3192 8462 3206 8464 3213 8446 3193 8444
TIME...MOT...LOC 2314Z 068DEG 4KT 3195 8464

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 8:18 PM EDT	Severe Thunderstorm Warning	FFC	Coweta	15 min
Jun 9, 9:03 PM EDT	Special Weather Statement	FFC	Coweta	27 min
Jun 10, 5:51 PM EDT	Severe Thunderstorm Warning	FFC	Taylor	39 min
Jun 10, 7:40 PM EDT	Severe Thunderstorm Warning	FFC	Sumter	31 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; the sounding from the Mesonet's radiosonde archive.