Alert archive / Georgia / Tornado Watches in 2008

Tornado Watch 304

May 11, 200839 counties in Alabama; 106 counties in Georgia; 18 counties in South Carolina

The Storm Prediction Center issued this tornado watch at May 11, 2008, 1:37 AM CDT for 39 counties in Alabama; 106 counties in Georgia; 18 counties in South Carolina. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 11, 2008, 1:37 AM CDT (06:37 UTC)
Expired
May 11, 2008, 9:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
70 kt
All 163 counties

Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Marion County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Baldwin County, GA, Banks County, GA, Barrow County, GA, Bartow County, GA, Bibb County, GA, Bleckley County, GA, Bryan County, GA, Bulloch County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Carroll County, GA, Chatham County, GA, Chattahoochee County, GA, Chattooga County, GA, Cherokee County, GA, Clarke County, GA, Clayton County, GA, Cobb County, GA, Columbia County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Dawson County, GA, DeKalb County, GA, Dodge County, GA, Dooly County, GA, Douglas County, GA, Effingham County, GA, Elbert County, GA, Emanuel County, GA, Evans County, GA, Fayette County, GA, Floyd County, GA, Forsyth County, GA, Franklin County, GA, Fulton County, GA, Glascock County, GA, Gordon County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Haralson County, GA, Harris County, GA, Hart County, GA, Heard County, GA, Henry County, GA, Houston County, GA, Jackson County, GA, Jasper County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Laurens County, GA, Liberty County, GA, Lincoln County, GA, Long County, GA, Lumpkin County, GA, Macon County, GA, Madison County, GA, Marion County, GA, McDuffie County, GA, McIntosh County, GA, Meriwether County, GA, Monroe County, GA, Montgomery County, GA, Morgan County, GA, Muscogee County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Paulding County, GA, Peach County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Pulaski County, GA, Putnam County, GA, Richmond County, GA, Rockdale County, GA, Schley County, GA, Screven County, GA, Spalding County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taliaferro County, GA, Tattnall County, GA, Taylor County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Troup County, GA, Twiggs County, GA, Upson County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Clarendon County, SC, Colleton County, SC, Dorchester County, SC, Edgefield County, SC, Hampton County, SC, Jasper County, SC, Lexington County, SC, McCormick County, SC, Orangeburg County, SC, Saluda County, SC

The radar

The Atlanta radar (KFFC), 36 km from the middle of the area, began a volume at 06:40 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
70%
One or more EF2 to EF5 tornadoes
40%
Ten or more severe wind reports
70%
One or more gusts of 65 knots or more
50%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

91 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 11, 1:44 AM CDTSevere Thunderstorm WarningBMXChambers, Lee, Randolph, Tallapoosa46 min
May 11, 1:49 AM CDTSevere Thunderstorm WarningBMXJefferson, Shelby41 min
May 11, 1:53 AM CDTSevere Thunderstorm WarningGSPElbert, Hart33 min
May 11, 2:01 AM CDTTornado WarningBMXJefferson, Shelby44 min
May 11, 2:05 AM CDTSevere Thunderstorm WarningBMXBibb, Greene, Hale, Tuscaloosa40 min
May 11, 2:05 AM CDTSevere Thunderstorm WarningBMXCalhoun, Cleburne, Jefferson, St. Clair, Talladega40 min
May 11, 2:06 AM CDTSevere Thunderstorm WarningFFCMorgan, Oconee, Walton39 min
May 11, 2:07 AM CDTSevere Thunderstorm WarningFFCHarris, Troup53 min
May 11, 2:07 AM CDTSevere Thunderstorm WarningCHSColleton, Hampton23 min
May 11, 2:08 AM CDTSevere Thunderstorm WarningBMXAutauga, Dallas45 min
May 11, 2:10 AM CDTSevere Thunderstorm WarningBMXJefferson, Shelby50 min
May 11, 2:22 AM CDTSevere Thunderstorm WarningBMXChambers, Clay, Cleburne, Lee, Randolph, Tallapoosa23 min
May 11, 2:26 AM CDTSevere Thunderstorm WarningCHSColleton, Hampton49 min
May 11, 2:32 AM CDTSevere Thunderstorm WarningFFCClarke, Oglethorpe, Wilkes43 min
May 11, 2:33 AM CDTTornado WarningFFCTroup42 min
May 11, 2:39 AM CDTTornado WarningBMXCleburne23 min
May 11, 2:44 AM CDTSevere Thunderstorm WarningBMXChilton, Clay, Cleburne, Coosa, Jefferson, Randolph and 3 more46 min
May 11, 2:48 AM CDTFlash Flood WarningBMXJefferson, St. Clair87 min
May 11, 2:49 AM CDTSevere Thunderstorm WarningCAEEdgefield26 min
May 11, 2:55 AM CDTTornado WarningCAEEdgefield20 min
May 11, 3:00 AM CDTSevere Thunderstorm WarningCAEAiken45 min
May 11, 3:01 AM CDTSevere Thunderstorm WarningBMXChambers, Lee, Macon, Russell29 min
May 11, 3:01 AM CDTSevere Thunderstorm WarningFFCTalbot, Upson44 min
May 11, 3:06 AM CDTSevere Thunderstorm WarningBMXClay, Cleburne, Randolph39 min
May 11, 3:09 AM CDTSevere Thunderstorm WarningFFCCarroll36 min
May 11, 3:12 AM CDTSevere Thunderstorm WarningCHSCharleston, Colleton, Dorchester33 min
May 11, 3:14 AM CDTTornado WarningFFCMeriwether, Troup46 min
May 11, 3:16 AM CDTSevere Thunderstorm WarningBMXFayette16 min
May 11, 3:18 AM CDTTornado WarningCAEAiken, Edgefield, Saluda27 min
May 11, 3:21 AM CDTSevere Thunderstorm WarningFFCCarroll, Douglas, Fulton54 min
May 11, 3:25 AM CDTTornado WarningFFCCarroll, Douglas, Fulton50 min
May 11, 3:30 AM CDTSevere Thunderstorm WarningBMXChambers, Coosa, Lee, Randolph, Tallapoosa45 min
May 11, 3:41 AM CDTSevere Thunderstorm WarningCHSBerkeley, Charleston, Dorchester34 min
May 11, 3:44 AM CDTSevere Thunderstorm WarningFFCClayton, DeKalb, Henry, Rockdale46 min
May 11, 3:45 AM CDTSevere Thunderstorm WarningCAEOrangeburg15 min
May 11, 3:52 AM CDTTornado WarningFFCClayton, DeKalb, Fulton, Henry53 min
May 11, 3:57 AM CDTSevere Thunderstorm WarningCAELincoln18 min
May 11, 4:03 AM CDTSevere Thunderstorm WarningFFCMeriwether, Pike, Upson42 min
May 11, 4:08 AM CDTTornado WarningCHSBerkeley52 min
May 11, 4:10 AM CDTSevere Thunderstorm WarningCHSBerkeley, Charleston35 min
May 11, 4:12 AM CDTSevere Thunderstorm WarningBMXLee, Russell33 min
May 11, 4:12 AM CDTTornado WarningFFCLamar, Pike, Upson33 min
May 11, 4:13 AM CDTTornado WarningCAEAiken, Edgefield, Saluda32 min
May 11, 4:13 AM CDTTornado WarningCHSCharleston32 min
May 11, 4:22 AM CDTTornado WarningFFCNewton, Rockdale38 min
May 11, 4:25 AM CDTSevere Thunderstorm WarningBMXBarbour, Bullock, Macon, Pike, Russell50 min
May 11, 4:28 AM CDTSevere Thunderstorm WarningFFCChattahoochee, Marion37 min
May 11, 4:37 AM CDTSevere Thunderstorm WarningFFCCrawford, Monroe, Upson23 min
May 11, 4:37 AM CDTTornado WarningFFCBibb, Crawford, Monroe38 min
May 11, 4:50 AM CDTSevere Thunderstorm WarningFFCBaldwin, Jones55 min
May 11, 4:52 AM CDTSevere Thunderstorm WarningFFCMacon, Schley38 min
May 11, 4:54 AM CDTTornado WarningFFCBibb, Twiggs36 min
May 11, 4:57 AM CDTTornado WarningCAEAiken, Lexington18 min
May 11, 4:58 AM CDTSevere Thunderstorm WarningFFCJasper, Morgan, Putnam62 min
May 11, 4:58 AM CDTSevere Thunderstorm WarningCHSBerkeley32 min
May 11, 5:10 AM CDTTornado WarningFFCTwiggs, Wilkinson35 min
May 11, 5:12 AM CDTSevere Thunderstorm WarningFFCBleckley, Dooly, Houston, Macon, Peach, Pulaski and 1 more48 min
May 11, 5:26 AM CDTSevere Thunderstorm WarningFFCBleckley, Dodge, Laurens, Treutlen49 min
May 11, 5:32 AM CDTTornado WarningFFCJohnson, Laurens, Washington, Wilkinson43 min
May 11, 5:36 AM CDTSevere Thunderstorm WarningFFCCrisp, Wilcox39 min
May 11, 5:39 AM CDTSevere Thunderstorm WarningFFCGlascock, Jefferson, Washington51 min
May 11, 5:43 AM CDTTornado WarningFFCJefferson, Washington47 min
May 11, 5:48 AM CDTSevere Thunderstorm WarningFFCMontgomery, Telfair, Toombs, Wheeler57 min
May 11, 5:52 AM CDTTornado WarningFFCEmanuel38 min
May 11, 5:56 AM CDTTornado WarningFFCLaurens, Montgomery, Toombs, Treutlen, Wheeler47 min
May 11, 6:01 AM CDTSevere Thunderstorm WarningCHSBulloch, Candler, Evans, Jenkins, Screven, Tattnall59 min
May 11, 6:04 AM CDTSevere Thunderstorm WarningCAEBurke71 min
May 11, 6:10 AM CDTSevere Thunderstorm WarningFFCCrisp, Wilcox50 min
May 11, 6:12 AM CDTTornado WarningCHSJenkins, Screven48 min
May 11, 6:15 AM CDTTornado WarningCAEBurke30 min
May 11, 6:16 AM CDTTornado WarningCHSBulloch, Candler, Evans, Tattnall29 min
May 11, 6:18 AM CDTTornado WarningFFCCrisp, Sumter57 min
May 11, 6:39 AM CDTTornado WarningCHSScreven66 min
May 11, 6:41 AM CDTTornado WarningCHSBulloch, Candler, Evans, Tattnall49 min
May 11, 6:48 AM CDTSevere Thunderstorm WarningCHSScreven57 min
May 11, 6:50 AM CDTSevere Thunderstorm WarningCHSBryan, Bulloch, Effingham, Evans, Liberty, Long and 1 more40 min
May 11, 6:53 AM CDTSevere Thunderstorm WarningCHSBulloch, Candler, Effingham, Screven52 min
May 11, 6:54 AM CDTTornado WarningFFCCrisp, Wilcox36 min
May 11, 6:59 AM CDTTornado WarningCHSScreven16 min
May 11, 7:18 AM CDTTornado WarningCHSBulloch, Effingham27 min
May 11, 7:23 AM CDTSevere Thunderstorm WarningFFCTelfair23 min
May 11, 7:24 AM CDTSevere Thunderstorm WarningCHSBryan, Chatham, Effingham, Liberty, Long, McIntosh and 1 more36 min
May 11, 7:31 AM CDTTornado WarningCHSBryan, Liberty, Long29 min
May 11, 7:34 AM CDTSevere Thunderstorm WarningCHSEffingham41 min
May 11, 7:41 AM CDTSevere Thunderstorm WarningCHSChatham, Effingham19 min
May 11, 7:53 AM CDTSevere Thunderstorm WarningCHSBryan, Chatham, Liberty, Long, McIntosh52 min
May 11, 8:08 AM CDTTornado WarningCHSBryan, Chatham, Liberty37 min
May 11, 8:14 AM CDTTornado WarningCHSLong, McIntosh31 min
May 11, 8:31 AM CDTSevere Thunderstorm WarningCHSBryan, Chatham, Liberty, Long, McIntosh29 min
May 11, 8:36 AM CDTTornado WarningCHSLong, McIntosh24 min
May 11, 8:52 AM CDTTornado WarningCHSMcIntosh23 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.6 hours before the alert went out and 42 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 00:00Z on 2008-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1834 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2008-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.1939587897117Sfc1 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
1834 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
226 m²/s²
Significant tornado parameter
2.1
Supercell composite
11.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 10, 7:08 PM CDTTornado WatchSPCBlount, Calhoun, Cherokee, Clay, Cleburne, Colbert and 23 more7 hr
May 10, 9:21 PM CDTMesoscale DiscussionSPCBlount, Colbert, Cullman, Etowah, Fayette, Franklin and 12 more84 min
May 10, 11:32 PM CDTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Cleburne, Colbert, Cullman and 15 more118 min
May 11, 1:06 AM CDTMesoscale DiscussionSPCAutauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 32 more84 min
May 11, 3:40 AM CDTMesoscale DiscussionSPCAutauga, Barbour, Bibb, Bullock, Chambers, Chilton and 14 more95 min
May 11, 4:52 AM CDTTornado WatchSPCCoffee, Dale, Geneva, Henry, Houston8 hr
May 11, 6:24 AM CDTMesoscale DiscussionSPCBarbour, Bullock, Chambers, Clay, Coosa, Dale and 9 more96 min
May 11, 7:51 AM CDTMesoscale DiscussionSPCBarbour, Chambers, Dale, Henry, Houston, Lee and 1 more84 min
May 10, 7:14 PM CDTMesoscale DiscussionSPCAppling, Baldwin, Bibb, Bleckley, Bryan, Bulloch and 77 more2 hr
May 10, 8:54 PM CDTMesoscale DiscussionSPCAppling, Bacon, Baldwin, Ben Hill, Bibb, Bleckley and 88 more96 min
May 10, 9:06 PM CDTTornado WatchSPCAppling, Bacon, Baldwin, Banks, Barrow, Bartow and 112 more7 hr
May 11, 4:38 AM CDTMesoscale DiscussionSPCAtkinson, Bacon, Baker, Berrien, Brantley, Brooks and 27 more67 min
May 11, 5:13 AM CDTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Baldwin, Ben Hill and 62 more92 min
May 11, 11:15 AM CDTMesoscale DiscussionSPCAtkinson, Baker, Berrien, Brooks, Calhoun, Camden and 21 more60 min
May 11, 1:24 PM CDTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Berrien, Brantley, Brooks and 20 more66 min
May 11, 1:42 PM CDTTornado WatchSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 29 more5 hr
May 11, 3:43 PM CDTMesoscale DiscussionSPCAtkinson, Bacon, Brantley, Brooks, Bryan, Camden and 15 more2 hr
May 11, 6:06 PM CDTMesoscale DiscussionSPCBryan, Chatham, Effingham, Liberty, Long, McIntosh84 min
May 11, 12:39 PM CDTMesoscale DiscussionSPCCalhoun, Chester, Chesterfield, Darlington, Dillon, Fairfield and 9 more2 hr
May 11, 1:07 PM CDTTornado WatchSPCChester, Chesterfield, Darlington, Dillon, Fairfield, Florence and 5 more6 hr
May 11, 3:43 PM CDTTornado WatchSPCHorry6 hr
May 11, 6:30 PM CDTMesoscale DiscussionSPCHorry90 min

Nearby

Tornado Watches in Georgia, 2008Tornado Watches in Alabama, 2008Tornado Watches in South Carolina, 2008Every tornado watch in 2008

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; radar from the NEXRAD Level II archive.