Alert archive / Kentucky / Mesoscale Discussions in 2016

Mesoscale Discussion 1006

June 21, 20164 states

The Storm Prediction Center issued this mesoscale discussion at Jun 21, 2016, 3:26 PM CDT for 4 states. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Jun 21, 2016, 3:26 PM CDT (20:26 UTC)
Expired
Jun 21, 2016, 5:00 PM CDT
In force
94 min
Issued by
the Storm Prediction Center
All 135 counties

Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Boyle County, KY, Breathitt County, KY, Breckinridge County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carter County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Garrard County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hardin County, KY, Harlan County, KY, Hart County, KY, Hopkins County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Marshall County, KY, Martin County, KY, McCreary County, KY, McLean County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Benton County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Claiborne County, TN, Clay County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Henry County, TN, Houston County, TN, Jackson County, TN, Macon County, TN, Montgomery County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Warren County, TN, Weakley County, TN, White County, TN, Williamson County, TN, Wilson County, TN, Buchanan County, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Tazewell County, VA, Wise County, VA, Boone County, WV, Cabell County, WV, Fayette County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Putnam County, WV, Raleigh County, WV, Wayne County, WV, Wyoming County, WV

The radar

The Louisville radar (KLVX), 110 km from the middle of the area, began a volume at 20:26 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, 8.4 hours before the alert went out and 162 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 2016-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 161 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 2016-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
161 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 12:08 PM CDTMesoscale DiscussionSPCAdair, Anderson, Bath, Bourbon, Boyd, Boyle and 74 more97 min
Jun 21, 1:01 PM CDTSevere Thunderstorm WatchSPCBath, Boyd, Breathitt, Carter, Clay, Elliott and 23 more8 hr
Jun 21, 11:00 AM CDTMesoscale DiscussionSPCArlington, Clarke, Fairfax, Fauquier, Frederick, Loudoun and 9 more90 min
Jun 21, 12:06 PM CDTSevere Thunderstorm WatchSPCAccomack, Albemarle, Arlington, Augusta, Caroline, Clarke and 44 more9 hr
Jun 21, 2:34 PM CDTMesoscale DiscussionSPCAlbemarle, Buckingham, Caroline, Clarke, Culpeper, Cumberland and 36 more86 min
Jun 21, 5:30 PM CDTMesoscale DiscussionSPCArlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick and 22 more90 min

Nearby

Mesoscale Discussions in Kentucky, 2016Mesoscale Discussions in Tennessee, 2016Mesoscale Discussions in West Virginia, 2016Every mesoscale discussion in 2016

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.