Alert archive / Tennessee / Mesoscale Discussions in 2013

Mesoscale Discussion 1014

June 10, 201337 counties in Kentucky; 54 counties in Tennessee; Lee County, Virginia

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2013, 1:32 PM CDT for 37 counties in Kentucky; 54 counties in Tennessee; Lee County, Virginia. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued
Jun 10, 2013, 1:32 PM CDT (18:32 UTC)
Expired
Jun 10, 2013, 3:00 PM CDT
In force
88 min
Issued by
the Storm Prediction Center
Chance of a watch
80%
All 92 counties

Adair County, KY, Allen County, KY, Barren County, KY, Bell County, KY, Boyle County, KY, Breathitt County, KY, Casey County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Estill County, KY, Garrard County, KY, Green 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, Marion County, KY, McCreary County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Wayne County, KY, Whitley County, KY, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Claiborne County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grainger County, TN, Grundy County, TN, Hancock County, TN, Hickman County, TN, Humphreys County, TN, Jackson County, TN, Knox County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Loudon County, TN, Macon County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, Meigs County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Williamson County, TN, Wilson County, TN, Lee County, VA

The radar

The Nashville radar (KOHX), 101 km from the middle of the area, began a volume at 18:34 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.5 hours before the alert went out and 106 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 2013-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 439 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, Nashville Metro, TN at 12:00Z on 2013-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939587897Sfc1 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
439 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
498 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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, 7:30 PM CDTMesoscale DiscussionSPCAllen, Barren, Butler, Edmonson, Grayson, Green and 10 more60 min
Jun 10, 2:02 PM CDTSevere Thunderstorm WatchSPCAdair, Allen, Barren, Bell, Boyle, Breathitt and 39 more7 hr
Jun 10, 5:27 PM CDTMesoscale DiscussionSPCAdair, Barren, Bell, Casey, Clay, Cumberland and 15 more93 min
Jun 10, 1:56 PM CDTTornado WatchSPCBedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more7 hr
Jun 10, 5:05 PM CDTMesoscale DiscussionSPCBedford, Bledsoe, Cannon, Coffee, Cumberland, DeKalb and 22 more85 min
Jun 10, 11:56 AM CDTMesoscale DiscussionSPCAccomack, Albemarle, Amelia, Amherst, Appomattox, Arlington and 97 more2 hr
Jun 10, 1:02 PM CDTTornado WatchSPCAccomack, Albemarle, Alleghany, Amelia, Amherst, Appomattox and 111 more10 hr
Jun 10, 3:38 PM CDTMesoscale DiscussionSPCAccomack, Albemarle, Amelia, Amherst, Appomattox, Arlington and 87 more97 min
Jun 10, 5:49 PM CDTMesoscale DiscussionSPCAccomack, Arlington, Brunswick, Caroline, Charles City, Chesterfield and 48 more86 min

Nearby

Mesoscale Discussions in Tennessee, 2013Mesoscale Discussions in Kentucky, 2013Mesoscale Discussions in Virginia, 2013Every mesoscale discussion 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.