Alert archive / Georgia / Mesoscale Discussions in 2014

Mesoscale Discussion 946

June 10, 20146 states

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2014, 3:57 PM CDT for 6 states. It was in force for 63 min.

The area

The outline as issued.

The facts

Issued
Jun 10, 2014, 3:57 PM CDT (20:57 UTC)
Expired
Jun 10, 2014, 5:00 PM CDT
In force
63 min
Issued by
the Storm Prediction Center
All 125 counties

Chambers County, AL, Randolph County, AL, Banks County, GA, Barrow County, GA, Bartow County, GA, Butts County, GA, Carroll County, GA, Cherokee County, GA, Clayton County, GA, Cobb County, GA, Coweta County, GA, Dawson County, GA, DeKalb County, GA, Douglas County, GA, Fannin County, GA, Fayette County, GA, Forsyth County, GA, Fulton County, GA, Gilmer County, GA, Gordon County, GA, Gwinnett County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Harris County, GA, Heard County, GA, Henry County, GA, Jackson County, GA, Lamar County, GA, Lumpkin County, GA, Marion County, GA, Meriwether County, GA, Monroe County, GA, Murray County, GA, Muscogee County, GA, Newton County, GA, Paulding County, GA, Pickens County, GA, Pike County, GA, Polk County, GA, Rabun County, GA, Rockdale County, GA, Schley County, GA, Spalding County, GA, Stephens County, GA, Talbot County, GA, Taylor County, GA, Towns County, GA, Troup County, GA, Union County, GA, Upson County, GA, Walton County, GA, White County, GA, Anderson County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Estill County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Harlan County, KY, Jackson County, KY, Jessamine County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Scott County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Swain County, NC, Anderson County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Cocke County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Roane County, TN, Scott County, TN, Sevier County, TN, Union County, TN, Lee County, VA

The radar

The Knoxville radar (KMRX), 99 km from the middle of the area, began a volume at 20:56 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.0 hours before the alert went out and 188 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, Nashville Metro, TN at 12:00Z on 2014-06-10Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2014-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
109 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.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 8:13 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 19 more92 min
Jun 9, 8:57 PM CDTSevere Thunderstorm WatchSPCDeKalb, Jackson, Madison, Marshall7 hr
Jun 9, 10:17 PM CDTMesoscale DiscussionSPCAutauga, Blount, Calhoun, Cherokee, Chilton, Clay and 15 more88 min
Jun 10, 10:10 AM CDTMesoscale DiscussionSPCChoctaw, Clarke, Dallas, Greene, Hale, Marengo and 6 more65 min
Jun 10, 10:34 AM CDTMesoscale DiscussionSPCBibb, Blount, Cullman, DeKalb, Etowah, Hale and 12 more116 min
Jun 10, 10:51 AM CDTSevere Thunderstorm WatchSPCAutauga, Bibb, Blount, Bullock, Calhoun, Chambers and 35 more7 hr
Jun 10, 10:58 AM CDTSevere Thunderstorm WatchSPCBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more8 hr
Jun 10, 1:26 PM CDTMesoscale DiscussionSPCBaldwin, Butler, Conecuh, Covington, Crenshaw, Escambia and 2 more94 min
Jun 10, 1:57 PM CDTMesoscale DiscussionSPCCalhoun, Chambers, Cherokee, Clay, Cleburne, Coosa and 11 more93 min
Jun 10, 3:03 PM CDTMesoscale DiscussionSPCBaldwin, Butler, Coffee, Conecuh, Covington, Dale and 3 more87 min
Jun 10, 2:24 PM CDTSevere Thunderstorm WatchSPCBanks, Barrow, Bartow, Butts, Carroll, Chattahoochee and 55 more8 hr
Jun 10, 5:14 PM CDTMesoscale DiscussionSPCHabersham, Rabun, Towns, White91 min
Jun 10, 5:34 PM CDTMesoscale DiscussionSPCBaker, Baldwin, Banks, Barrow, Bibb, Bleckley and 72 more56 min
Jun 10, 1:00 PM CDTMesoscale DiscussionSPCAdair, Anderson, Barren, Bath, Bell, Bourbon and 59 more90 min
Jun 10, 1:20 PM CDTSevere Thunderstorm WatchSPCAdair, Anderson, Barren, Bath, Bell, Bourbon and 58 more7 hr
Jun 10, 3:40 PM CDTMesoscale DiscussionSPCBoone, Boyd, Bracken, Campbell, Carter, Fleming and 12 more95 min
Jun 10, 6:10 PM CDTSevere Thunderstorm WatchSPCBoyd, Bracken, Carter, Greenup, Lawrence, Lewis and 1 more5 hr
Jun 10, 1:39 PM CDTMesoscale DiscussionSPCAlbemarle, Amelia, Amherst, Appomattox, Bedford, Buckingham and 27 more66 min

Nearby

Mesoscale Discussions in Georgia, 2014Mesoscale Discussions in Kentucky, 2014Mesoscale Discussions in Tennessee, 2014Every mesoscale discussion 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.