Alert archive / Georgia / Severe Thunderstorm Watches in 2013

Severe Thunderstorm Watch 385

June 28, 20134 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 28, 2013, 11:26 AM CDT for 4 states. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Jun 28, 2013, 11:26 AM CDT (16:26 UTC)
Expired
Jun 28, 2013, 8:00 PM CDT
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 134 counties

Autauga County, AL, Baldwin County, AL, Barbour County, AL, Bibb County, AL, Bullock County, AL, Butler County, AL, Chambers County, AL, Chilton County, AL, Choctaw County, AL, Clarke County, AL, Clay County, AL, Coffee County, AL, Conecuh County, AL, Coosa County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Dallas County, AL, Elmore County, AL, Escambia County, AL, Geneva County, AL, Greene County, AL, Hale County, AL, Henry County, AL, Houston County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Holmes County, FL, Jackson County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Baldwin County, GA, Ben Hill County, GA, Berrien County, GA, Bibb County, GA, Bleckley County, GA, Brooks County, GA, Calhoun County, GA, Chattahoochee County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Coweta County, GA, Crawford County, GA, Crisp County, GA, Decatur County, GA, Dodge County, GA, Dooly County, GA, Dougherty County, GA, Early County, GA, Emanuel County, GA, Glascock County, GA, Grady County, GA, Hancock County, GA, Harris County, GA, Heard County, GA, Houston County, GA, Irwin County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Lamar County, GA, Lanier County, GA, Laurens County, GA, Lee County, GA, Lowndes County, GA, Macon County, GA, Marion County, GA, Meriwether County, GA, Miller County, GA, Mitchell County, GA, Monroe County, GA, Montgomery County, GA, Muscogee County, GA, Peach County, GA, Pike County, GA, Pulaski County, GA, Putnam County, GA, Quitman County, GA, Randolph County, GA, Schley County, GA, Seminole County, GA, Stewart County, GA, Sumter County, GA, Talbot County, GA, Taylor County, GA, Telfair County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Toombs County, GA, Treutlen County, GA, Troup County, GA, Turner County, GA, Twiggs County, GA, Upson County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA, Worth County, GA, Clarke County, MS, George County, MS, Greene County, MS, Jasper County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Neshoba County, MS, Newton County, MS, Perry County, MS, Wayne County, MS

The radar

The Birmingham radar (KBMX), 127 km from the middle of the area, began a volume at 16:30 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
10%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
80%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 28, 11:29 AM CDTSevere Thunderstorm WarningBMXBibb, Chilton, Jefferson, Shelby46 min
Jun 28, 12:09 PM CDTSevere Thunderstorm WarningBMXChilton, Coosa, Shelby51 min
Jun 28, 12:38 PM CDTSevere Thunderstorm WarningBMXCoosa, Elmore52 min
Jun 28, 12:45 PM CDTSevere Thunderstorm WarningBMXAutauga30 min
Jun 28, 12:58 PM CDTSevere Thunderstorm WarningMOBWilcox62 min
Jun 28, 1:03 PM CDTSevere Thunderstorm WarningBMXTallapoosa42 min
Jun 28, 1:03 PM CDTSevere Thunderstorm WarningTAEGrady42 min
Jun 28, 1:27 PM CDTSevere Thunderstorm WarningFFCCoweta, Fayette, Meriwether, Pike, Spalding, Troup48 min
Jun 28, 1:31 PM CDTSevere Thunderstorm WarningBMXLee, Macon44 min
Jun 28, 1:31 PM CDTSevere Thunderstorm WarningTAEDecatur, Miller, Seminole29 min
Jun 28, 1:34 PM CDTSevere Thunderstorm WarningMOBButler, Conecuh, Monroe, Wilcox56 min
Jun 28, 1:49 PM CDTSevere Thunderstorm WarningTAEThomas41 min
Jun 28, 1:53 PM CDTSevere Thunderstorm WarningTAEBerrien, Cook, Tift52 min
Jun 28, 1:56 PM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw34 min
Jun 28, 2:14 PM CDTSevere Thunderstorm WarningFFCHarris, Meriwether, Talbot, Troup46 min
Jun 28, 2:26 PM CDTSevere Thunderstorm WarningMOBCovington64 min
Jun 28, 2:39 PM CDTSevere Thunderstorm WarningMOBConecuh, Covington, Escambia66 min
Jun 28, 2:42 PM CDTSevere Thunderstorm WarningFFCChattahoochee, Harris, Marion, Muscogee, Talbot48 min
Jun 28, 2:48 PM CDTSevere Thunderstorm WarningFFCCrawford, Meriwether, Talbot, Taylor, Upson42 min
Jun 28, 3:09 PM CDTSevere Thunderstorm WarningJANClarke51 min
Jun 28, 3:12 PM CDTSevere Thunderstorm WarningFFCButts, Henry, Jasper, Newton, Spalding48 min
Jun 28, 3:21 PM CDTSevere Thunderstorm WarningMOBCovington, Escambia54 min
Jun 28, 3:24 PM CDTSevere Thunderstorm WarningFFCBibb, Crawford, Houston, Peach, Taylor, Twiggs51 min
Jun 28, 3:34 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke56 min
Jun 28, 3:35 PM CDTSevere Thunderstorm WarningFFCClayton, Coweta, Fayette, Fulton, Henry, Spalding55 min
Jun 28, 3:43 PM CDTSevere Thunderstorm WarningMOBSanta Rosa62 min
Jun 28, 3:45 PM CDTSevere Thunderstorm WarningTAEDale, Houston45 min
Jun 28, 3:46 PM CDTSevere Thunderstorm WarningTAERandolph29 min
Jun 28, 3:50 PM CDTSevere Thunderstorm WarningFFCBleckley, Houston, Pulaski, Twiggs40 min
Jun 28, 3:58 PM CDTSevere Thunderstorm WarningFFCMontgomery, Telfair, Wheeler47 min
Jun 28, 4:12 PM CDTSevere Thunderstorm WarningTAEHouston63 min
Jun 28, 4:14 PM CDTSevere Thunderstorm WarningFFCBaldwin, Jones31 min
Jun 28, 4:19 PM CDTSevere Thunderstorm WarningTAELee, Terrell41 min
Jun 28, 4:23 PM CDTSevere Thunderstorm WarningFFCBleckley, Dodge, Laurens, Wilkinson37 min
Jun 28, 4:34 PM CDTSevere Thunderstorm WarningFFCCrisp, Dooly, Pulaski, Sumter, Wilcox41 min
Jun 28, 4:39 PM CDTSevere Thunderstorm WarningFFCBaldwin, Hancock, Putnam, Washington, Wilkinson51 min
Jun 28, 4:45 PM CDTSevere Thunderstorm WarningTAEJackson45 min
Jun 28, 4:51 PM CDTSevere Thunderstorm WarningFFCDodge, Laurens, Wilkinson39 min
Jun 28, 4:55 PM CDTSevere Thunderstorm WarningTAEBaker, Decatur, Miller50 min
Jun 28, 5:10 PM CDTSevere Thunderstorm WarningFFCEmanuel, Johnson, Montgomery, Treutlen, Wheeler50 min
Jun 28, 5:13 PM CDTSevere Thunderstorm WarningTAEDecatur47 min
Jun 28, 5:53 PM CDTSevere Thunderstorm WarningTAEGrady52 min
Jun 28, 6:37 PM CDTSevere Thunderstorm WarningBMXGreene, Pickens, Sumter53 min
Jun 28, 7:17 PM CDTSevere Thunderstorm WarningBMXHale43 min
Jun 28, 7:19 PM CDTSevere Thunderstorm WarningJANKemper, Neshoba56 min
Jun 28, 7:33 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba57 min
Jun 28, 7:39 PM CDTSevere Thunderstorm WarningBMXPerry51 min
Jun 28, 7:46 PM CDTSevere Thunderstorm WarningBMXJefferson, Shelby44 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

Birmingham, AL (KBMX), launched 12:00Z, 4.4 hours before the alert went out and 128 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, Birmingham, AL at 12:00Z on 2013-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4271 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, Birmingham, AL at 12:00Z on 2013-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 square meters per square second.1939Sfc1 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
4271 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
-62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 6:16 AM CDTMesoscale DiscussionSPCColbert, Cullman, Fayette, Franklin, Greene, Lamar and 9 more89 min
Jun 28, 9:42 AM CDTMesoscale DiscussionSPCBibb, Blount, Chilton, Choctaw, Cullman, Dallas and 17 more2 hr
Jun 28, 1:11 PM CDTMesoscale DiscussionSPCAutauga, Baldwin, Barbour, Bullock, Butler, Chambers and 31 more94 min
Jun 28, 3:23 PM CDTMesoscale DiscussionSPCBaldwin, Barbour, Choctaw, Clarke, Coffee, Conecuh and 9 more97 min
Jun 28, 5:25 PM CDTSevere Thunderstorm WatchSPCAutauga, Chilton, Dallas, Greene, Hale, Lowndes and 4 more7 hr
Jun 28, 1:36 PM CDTMesoscale DiscussionSPCAppling, Bacon, Brantley, Bryan, Bulloch, Candler and 11 more84 min
Jun 28, 2:05 PM CDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Bleckley, Burke and 52 more2 hr
Jun 28, 4:17 AM CDTMesoscale DiscussionSPCBenton, DeSoto, Marshall, Tate, Tippah, Tunica58 min
Jun 28, 5:18 AM CDTSevere Thunderstorm WatchSPCAlcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more8 hr
Jun 28, 12:34 PM CDTMesoscale DiscussionSPCAttala, Bolivar, Carroll, Claiborne, Coahoma, Copiah and 15 more2 hr
Jun 28, 4:41 PM CDTMesoscale DiscussionSPCAttala, Carroll, Choctaw, Grenada, Hinds, Holmes and 16 more94 min

Nearby

Severe Thunderstorm Watches in Georgia, 2013Severe Thunderstorm Watches in Alabama, 2013Severe Thunderstorm Watches in Mississippi, 2013Every severe thunderstorm watch in 2013

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.