Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 26, NWS Atlanta, GA

March 9, 20116 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 9, 2011, 2:44 PM EST for 6 counties in Georgia. It was in force for 46 min. 4 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
Mar 9, 2011, 2:44 PM EST (19:44 UTC)
Expired
Mar 9, 2011, 3:30 PM EST
In force
46 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Emanuel County, GA, Johnson County, GA, Laurens County, GA, Montgomery County, GA, Treutlen County, GA, Wheeler County, GA

What was reported inside it

TimeReportWhereRemark
Mar 9, 3:00 PM ESTTSTM WND DMGLothair, GATREUTLEN COUNTY 911 RELAYED REPORTS OF 3 DOWNED TREES IN LOTHAIR.
Mar 9, 3:10 PM ESTTSTM WND DMG1 E Scott, GA4 TREES DOWN ACROSS THE SOUTHERN PORTION OF THE COUNTY BETWEEN SCOTT AND ADRIAN.
Mar 9, 3:27 PM ESTTSTM WND DMG4 S Soperton, GATREUTLEN COUNTY EMERGENCY MANAGEMENT REPORTS STRAIGHT LINE WIND DAMAGE TO A HOUSE BETWEEN SOPERTON AND MOUNT VERNON IN TREUTLEN COUNTY.
Mar 9, 3:36 PM ESTTSTM WND DMG3 S Swainsboro, GAEMANUEL COUNTY 911 RELAYED A REPORT OF A DOWNED TREE ON CANOOCHEE ROAD SOUTH OF SWAINSBORO.

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.

IssuedProductOfficeLasted
Mar 9, 2:21 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.7 hours before the alert went out and 202 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2011-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2011-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 690 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
690 m²/s²
0-3 km storm-relative helicity
795 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.

273 
WUUS52 KFFC 091944
SVRFFC
GAC107-167-175-209-283-309-092030-
/O.NEW.KFFC.SV.W.0026.110309T1944Z-110309T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
244 PM EST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAURENS COUNTY IN CENTRAL GEORGIA
  NORTHERN MONTGOMERY COUNTY IN CENTRAL GEORGIA
  NORTHERN WHEELER COUNTY IN CENTRAL GEORGIA
  WESTERN EMANUEL COUNTY IN EAST CENTRAL GEORGIA
  SOUTHERN JOHNSON COUNTY IN EAST CENTRAL GEORGIA
  TREUTLEN COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 330 PM EST

* AT 241 PM EST...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
  10 MILES NORTH OF DUBLIN TO RENTZ TO 7 MILES SOUTH OF CADWELL...
  MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
  DUBLIN...WRIGHTSVILLE...ADRIAN...SOPERTON...NUNEZ...SWAINSBORO AND
  TARRYTOWN.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EST
WEDNESDAY EVENING FOR SOUTHEASTERN GEORGIA.

&&

LAT...LON 3233 8236 3234 8239 3235 8241 3222 8244
      3219 8281 3220 8289 3218 8300 3231 8308
      3241 8301 3267 8306 3272 8296 3277 8240
      3248 8227
TIME...MOT...LOC 1943Z 269DEG 30KT 3268 8295 3241 8294
          3225 8307

$$
1 follow-up statement
311 
WWUS52 KFFC 092017
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
317 PM EST WED MAR 9 2011

GAC175-092027-
/O.CAN.KFFC.SV.W.0026.000000T0000Z-110309T2030Z/
LAURENS GA-
317 PM EST WED MAR 9 2011

...THE SEVERE THUNDERSTORM WARNING FOR LAURENS COUNTY IS CANCELLED...

THE STORM HAS MOVED OUT OF THE AREA...THUS THE WARNING HAS BEEN 
CANCELLED.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EST
WEDNESDAY EVENING FOR SOUTHEASTERN GEORGIA.

LAT...LON 3233 8236 3235 8241 3222 8244 3220 8286
      3231 8273 3234 8275 3240 8270 3246 8269
      3247 8265 3249 8264 3253 8268 3261 8267
      3274 8270 3277 8240 3248 8227
TIME...MOT...LOC 2017Z 269DEG 30KT 3268 8261 3241 8260
          3225 8273

$$

GAC107-167-209-283-309-092030-
/O.CON.KFFC.SV.W.0026.000000T0000Z-110309T2030Z/
WHEELER GA-TREUTLEN GA-MONTGOMERY GA-JOHNSON GA-EMANUEL GA-
317 PM EST WED MAR 9 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EST
FOR WESTERN EMANUEL...EASTERN JOHNSON...NORTHERN MONTGOMERY...
TREUTLEN AND NORTHERN WHEELER COUNTIES...

AT 315 PM EST...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 6 MILES NORTHWEST OF MEEKS TO SOPERTON TO LANDSBURG...MOVING
EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BARNHILL...BLACKVILLE...ADRIAN...KITE...ZAIDEE...NORRISTOWN...GILLIS
SPRINGS...FIVE POINTS...KIBBEE...LEXSY...DELLWOOD...COVENA...
BLUNDALE...NUNEZ...SWAINSBORO...TARRYTOWN AND NORRISTOWN JUNCTION.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EST
WEDNESDAY EVENING FOR SOUTHEASTERN GEORGIA.

&&

LAT...LON 3233 8236 3235 8241 3222 8244 3220 8286
      3231 8273 3234 8275 3240 8270 3246 8269
      3247 8265 3249 8264 3253 8268 3261 8267
      3274 8270 3277 8240 3248 8227
TIME...MOT...LOC 2017Z 269DEG 30KT 3268 8261 3241 8260
          3225 8273

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 3:13 AM ESTWind AdvisoryFFCChattooga, Dade, Dawson, Fannin, Gilmer, Lumpkin and 6 more12 hr
Mar 9, 6:38 AM ESTRiver Flood WarningFFCDade43 hr
Mar 9, 8:49 AM ESTRiver Flood WarningFFCChattooga6 days
Mar 9, 9:24 AM ESTFlash Flood WarningFFCFloyd, Haralson, Polk6 hr
Mar 9, 9:35 AM ESTRiver Flood WarningFFCCatoosa59 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCWhitfield3 days
Mar 9, 10:39 AM ESTRiver Flood WarningFFCForsyth, Fulton49 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCGwinnett11 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCClarke, Greene, Oconee11 hr
Mar 9, 10:58 AM ESTFlash Flood WarningFFCBartow, Gordon5 hr
Mar 9, 11:28 AM ESTAreal Flood WarningFFCCatoosa7 hr
Mar 9, 1:11 PM ESTRiver Flood WarningFFCForsyth20 hr
Mar 9, 1:27 PM ESTSevere Thunderstorm WarningFFCCrisp, Sumter48 min
Mar 9, 1:54 PM ESTSevere Thunderstorm WarningFFCBleckley, Dodge, Laurens, Pulaski51 min
Mar 9, 2:16 PM ESTSevere Thunderstorm WarningFFCDodge, Telfair, Wilcox44 min
Mar 9, 2:57 PM ESTSevere Thunderstorm WarningFFCDodge, Montgomery, Telfair, Wheeler48 min
Mar 9, 3:03 PM ESTRiver Flood WarningFFCPolk8 hr
Mar 9, 3:17 PM ESTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more28 hr
Mar 9, 3:24 PM ESTSevere Thunderstorm WarningFFCEmanuel, Treutlen51 min
Mar 9, 3:27 PM ESTRiver Flood WarningFFCFloyd, Gordon4 days
Mar 9, 3:34 PM ESTSevere Thunderstorm WarningFFCMontgomery, Toombs41 min
Mar 9, 3:46 PM ESTRiver Flood WarningFFCMurray, Whitfield51 hr
Mar 9, 5:59 PM ESTRiver Flood WarningFFCFloyd56 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2011Every 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.