Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 128, NWS Atlanta, GA

April 5, 2011Marion County, Stewart County, Webster County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 5, 2011, 12:22 AM EDT for Marion County, Stewart County, Webster County, Georgia. It was in force for 53 min. 2 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: Apr 5, 2011, 12:22 AM EDT (04:22 UTC)
Expired: Apr 5, 2011, 1:15 AM EDT
In force: 53 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Marion County, GA, Stewart County, GA, Webster County, GA

What was reported inside it

Time	Report	Where	Remark
Apr 5, 12:55 AM EDT	TSTM WND DMG	Lumpkin, GA	STEWART COUNTY SHERIFFS OFFICE REPORTS SEVERAL DOWNED TREES NEAR THE HIGH SCHOOL ON GREEN GROVE ROAD IN LUMPKIN. A COUPLE OF TREES WERE ALSO DOWNED NEAR FLORENCE MARINA AND A CABLE LINE WAS DOWNED IN RICHLAND.
Apr 5, 1:10 AM EDT	TSTM WND DMG	Preston, GA	WEBSTER COUNTY 911 RELAYED REPORTS OF OVER HALF A DOZEN TREES DOWNED IN PRESTON.

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
Apr 4, 10:28 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.4 hours before the alert went out and 142 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: 176 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 1790 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

264 
WUUS52 KFFC 050422
SVRFFC
GAC197-259-307-050515-
/O.NEW.KFFC.SV.W.0128.110405T0422Z-110405T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1222 AM EDT TUE APR 5 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 115 AM EDT

* AT 1218 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZED
  HAIL...AND DESTRUCTIVE WINDS UP TO 70 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM NEAR FORT BENNING TO 10 MILES 
  WEST OF FLORENCE MARINA STATE PARK...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
  LUMPKIN...RICHLAND...WESTON AND PRESTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA UNTIL 500 AM EDT. 
IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY 
INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

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 3191 8446 3193 8444 3223 8443 3243 8439
      3244 8445 3225 8451 3222 8480 3224 8492
      3222 8498 3220 8498 3214 8507 3199 8507
      3197 8504 3197 8497 3194 8495 3192 8489
TIME...MOT...LOC 0422Z 268DEG 38KT 3225 8502 3167 8536

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 8:26 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	49 min
Apr 4, 8:43 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd, Walker	62 min
Apr 4, 9:09 PM EDT	Severe Thunderstorm Warning	FFC	Gilmer, Gordon, Murray, Pickens, Whitfield	51 min
Apr 4, 9:15 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	45 min
Apr 4, 9:17 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Murray, Whitfield	43 min
Apr 4, 9:27 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	48 min
Apr 4, 9:45 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Towns, Union	45 min
Apr 4, 9:54 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb, Paulding, Polk	51 min
Apr 4, 9:56 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Lumpkin, Pickens, White	49 min
Apr 4, 10:03 PM EDT	Severe Thunderstorm Warning	FFC	Haralson	42 min
Apr 4, 10:29 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Cobb, Douglas, Haralson, Paulding	46 min
Apr 4, 10:44 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Hall, Lumpkin, White	46 min
Apr 4, 10:52 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Cobb, Forsyth, Fulton	53 min
Apr 4, 10:59 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Heard, Troup	31 min
Apr 4, 11:10 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Cobb, Fulton	65 min
Apr 4, 11:15 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Cobb, Douglas, Heard	45 min
Apr 4, 11:27 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Barrow, Gwinnett, Hall, Jackson	48 min
Apr 4, 11:31 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Gwinnett	44 min
Apr 4, 11:33 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Coweta, Fayette, Harris, Meriwether, Troup	57 min
Apr 4, 11:50 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Marion, Muscogee, Talbot	55 min
Apr 4, 11:52 PM EDT	Severe Thunderstorm Warning	FFC	Henry, Newton, Rockdale, Walton	38 min
Apr 4, 11:59 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Lamar, Monroe, Pike, Spalding and 1 more	46 min
Apr 5, 12:14 AM EDT	Severe Thunderstorm Warning	FFC	Barrow, Clarke, Jackson, Madison, Oconee, Oglethorpe	61 min
Apr 5, 12:28 AM EDT	Severe Thunderstorm Warning	FFC	Jasper, Morgan, Newton, Rockdale, Walton	47 min
Apr 5, 12:41 AM EDT	Severe Thunderstorm Warning	FFC	Butts, Chattahoochee, Crawford, Jasper, Jones, Lamar and 5 more	49 min
Apr 5, 12:48 AM EDT	River Flood Warning	FFC	Dade	15 hr
Apr 5, 12:59 AM EDT	Severe Thunderstorm Warning	FFC	Dooly, Macon, Schley, Sumter	46 min
Apr 5, 1:08 AM EDT	Severe Thunderstorm Warning	FFC	Greene, Jasper, Morgan, Putnam	52 min
Apr 5, 1:12 AM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Bibb, Crawford, Houston, Jones, Peach and 2 more	63 min
Apr 5, 1:16 AM EDT	Severe Thunderstorm Warning	FFC	Webster	14 min
Apr 5, 1:28 AM EDT	Severe Thunderstorm Warning	FFC	Hancock, Taliaferro, Warren	47 min
Apr 5, 1:30 AM EDT	Severe Thunderstorm Warning	FFC	Wilkes	45 min
Apr 5, 1:44 AM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Crisp, Dodge, Dooly, Macon, Pulaski and 2 more	46 min
Apr 5, 1:57 AM EDT	Severe Thunderstorm Warning	FFC	Glascock, Jefferson, Johnson, Laurens, Washington	63 min
Apr 5, 2:11 AM EDT	Severe Thunderstorm Warning	FFC	Wilkinson	19 min
Apr 5, 2:12 AM EDT	Severe Thunderstorm Warning	FFC	Hancock, Warren	33 min
Apr 5, 2:31 AM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Pulaski, Telfair, Wheeler, Wilcox	59 min
Apr 5, 2:55 AM EDT	Severe Thunderstorm Warning	FFC	Jefferson, Johnson, Laurens, Washington	35 min
Apr 5, 3:09 AM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Montgomery, Toombs, Treutlen	66 min
Apr 5, 3:29 AM EDT	Severe Thunderstorm Warning	FFC	Johnson	16 min
Apr 5, 6:10 AM EDT	River Flood Warning	FFC	Forsyth	3 hr
Apr 5, 3:25 PM EDT	Frost Advisory	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 72 more	18 hr
Apr 5, 3:25 PM EDT	Freeze Warning	FFC	Fannin, Towns, Union	18 hr

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.