Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 104, NWS Atlanta, GA

May 8, 2012Stewart County, Webster County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 8, 2012, 4:41 PM EDT for Stewart County, Webster County, Georgia. It was in force for 34 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: May 8, 2012, 4:41 PM EDT (20:41 UTC)
Expired: May 8, 2012, 5:15 PM EDT
In force: 34 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Stewart County, GA, Webster County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.7 hours before the alert went out and 161 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: 205 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 565 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 73 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.

355 
WUUS52 KFFC 082041
SVRFFC
GAC259-307-082115-
/O.NEW.KFFC.SV.W.0104.120508T2041Z-120508T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
441 PM EDT TUE MAY 8 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN STEWART COUNTY IN WEST CENTRAL GEORGIA
  EXTREME SOUTHWESTERN WEBSTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 515 PM EDT

* AT 438 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED 6 MILES SOUTH OF LUMPKIN...MOVING
  SOUTH AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TROUTMAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

IF YOU SEE WIND DAMAGE...HAIL OR 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3192 8492 3194 8495 3196 8497 3198 8496
      3209 8482 3192 8460 3192 8461 3192 8486
TIME...MOT...LOC 2041Z 345DEG 16KT 3195 8483

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 8:01 PM EDT	Special Weather Statement	FFC	Schley	29 min
May 8, 4:00 PM EDT	Special Weather Statement	FFC	Stewart	30 min
May 8, 4:36 PM EDT	Special Weather Statement	FFC	Walton	24 min
May 8, 6:11 PM EDT	Special Weather Statement	FFC	Schley	34 min
May 8, 6:49 PM EDT	Special Weather Statement	FFC	Spalding	26 min
May 8, 7:40 PM EDT	Special Weather Statement	FFC	Warren	35 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012 Every severe thunderstorm warning in 2012

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.