Alert archive / Georgia / Severe Thunderstorm Watches in 2014

Severe Thunderstorm Watch 247

June 6, 201412 counties in Alabama; 10 counties in Florida; 26 counties in Georgia

The Storm Prediction Center issued this severe thunderstorm watch at Jun 6, 2014, 6:49 PM CDT for 12 counties in Alabama; 10 counties in Florida; 26 counties in Georgia. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 6, 2014, 6:49 PM CDT (23:49 UTC)
Expired
Jun 7, 2014, 1:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 48 counties

Butler County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Monroe County, AL, Wilcox County, AL, Calhoun County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Walton County, FL, Washington County, FL, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brooks County, GA, Calhoun County, GA, Clay County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Worth County, GA

The radar

The Ft Rucker radar (KEOX), 48 km from the middle of the area, began a volume at 23:52 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
20%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
20%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:20 PM CDTSevere Thunderstorm WarningTAEBen Hill, Dougherty, Irwin, Lee, Turner, Worth55 min
Jun 6, 7:40 PM CDTSevere Thunderstorm WarningMOBButler, Crenshaw, Wilcox51 min
Jun 6, 7:41 PM CDTSevere Thunderstorm WarningTAEDale, Henry64 min
Jun 6, 8:16 PM CDTSevere Thunderstorm WarningTAEBaker, Calhoun, Clay, Colquitt, Dougherty, Early and 5 more59 min
Jun 6, 8:22 PM CDTSevere Thunderstorm WarningMOBCovington, Crenshaw40 min
Jun 6, 8:37 PM CDTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Henry, Houston53 min
Jun 6, 8:52 PM CDTSevere Thunderstorm WarningTAEBaker, Colquitt, Decatur, Early, Grady, Miller and 5 more53 min
Jun 6, 9:26 PM CDTSevere Thunderstorm WarningTAEHolmes, Jackson, Walton, Washington49 min
Jun 6, 9:45 PM CDTSevere Thunderstorm WarningTAEGadsden30 min
Jun 6, 10:17 PM CDTSevere Thunderstorm WarningTAEGadsden, Jefferson, Leon, Madison28 min
Jun 6, 10:43 PM CDTSevere Thunderstorm WarningTAEJefferson, Leon, Madison, Taylor, Wakulla32 min
Jun 6, 11:10 PM CDTSevere Thunderstorm WarningTAEJefferson, Lafayette, Madison, Taylor, Wakulla50 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, 11.8 hours before the alert went out and 183 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 2014-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1535 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 2014-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 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
1535 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 11:22 AM CDTMesoscale DiscussionSPCBibb, Blount, Calhoun, Cherokee, Clay, Cleburne and 24 more83 min
Jun 6, 11:51 AM CDTSevere Thunderstorm WatchSPCAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 44 more7 hr
Jun 6, 2:43 PM CDTMesoscale DiscussionSPCBibb, Blount, Calhoun, Chambers, Cherokee, Chilton and 28 more92 min
Jun 6, 3:06 PM CDTMesoscale DiscussionSPCAutauga, Barbour, Bullock, Butler, Choctaw, Clarke and 12 more114 min
Jun 6, 5:37 PM CDTMesoscale DiscussionSPCAutauga, Butler, Dallas, Lowndes, Marengo, Montgomery and 2 more83 min
Jun 5, 9:13 PM CDTMesoscale DiscussionSPCBurke, Columbia, Glascock, Jefferson, Lincoln, McDuffie and 2 more92 min
Jun 6, 2:21 PM CDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bibb, Bleckley, Bulloch and 50 more2 hr

Nearby

Severe Thunderstorm Watches in Georgia, 2014Severe Thunderstorm Watches in Alabama, 2014Severe Thunderstorm Watches in Florida, 2014Every severe thunderstorm watch in 2014

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.