Alert archive / Kentucky / Mesoscale Discussions in 2014

Mesoscale Discussion 947

June 10, 20147 states

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2014, 6:14 PM EDT for 7 states. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued
Jun 10, 2014, 6:14 PM EDT (22:14 UTC)
Expired
Jun 10, 2014, 7:45 PM EDT
In force
91 min
Issued by
the Storm Prediction Center
All 103 counties

Habersham County, GA, Rabun County, GA, Towns County, GA, White County, GA, Bath County, KY, Bell County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Breathitt County, KY, Carter County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Greenup County, KY, Harlan County, KY, Harrison County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Magoffin County, KY, Martin County, KY, Mason County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Robertson County, KY, Rowan County, KY, Wolfe County, KY, Buncombe County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Adams County, OH, Brown County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Pike County, OH, Scioto County, OH, Blount County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Buchanan County, VA, City of Bristol, VA, City of Norton, VA, Dickenson County, VA, Lee County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Boone County, WV, Cabell County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason 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 Jackson,KY radar (KJKL), 43 km from the middle of the area, began a volume at 22:16 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.2 hours before the alert went out and 239 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, Cncnati-Daytn, OH 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, Cncnati-Daytn, OH at 12:00Z on 2014-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
1147 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
81 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, 9:57 PM EDTSevere Thunderstorm WatchSPCBartow, Carroll, Catoosa, Chattooga, Dade, Floyd and 8 more7 hr
Jun 9, 11:17 PM EDTMesoscale DiscussionSPCCatoosa, Chattooga, Dade, Floyd, Haralson, Polk and 2 more88 min
Jun 10, 11:34 AM EDTMesoscale DiscussionSPCDade116 min
Jun 10, 11:51 AM EDTSevere Thunderstorm WatchSPCCatoosa, Chattooga, Dade, Floyd, Haralson, Polk and 2 more7 hr
Jun 10, 2:57 PM EDTMesoscale DiscussionSPCBanks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 37 more93 min
Jun 10, 3:24 PM EDTSevere Thunderstorm WatchSPCBanks, Barrow, Bartow, Butts, Carroll, Chattahoochee and 55 more8 hr
Jun 10, 4:57 PM EDTMesoscale DiscussionSPCBanks, Barrow, Bartow, Butts, Carroll, Cherokee and 45 more63 min
Jun 10, 6:34 PM EDTMesoscale DiscussionSPCBaker, Baldwin, Banks, Barrow, Bibb, Bleckley and 72 more56 min
Jun 10, 2:00 PM EDTMesoscale DiscussionSPCAdair, Anderson, Barren, Bath, Bell, Bourbon and 59 more90 min
Jun 10, 2:20 PM EDTSevere Thunderstorm WatchSPCAdair, Anderson, Barren, Bath, Bell, Bourbon and 58 more7 hr
Jun 10, 4:40 PM EDTMesoscale DiscussionSPCBoone, Boyd, Bracken, Campbell, Carter, Fleming and 12 more95 min
Jun 10, 7:10 PM EDTSevere Thunderstorm WatchSPCBoyd, Bracken, Carter, Greenup, Lawrence, Lewis and 1 more5 hr
Jun 10, 2:39 PM EDTMesoscale DiscussionSPCAlbemarle, Amelia, Amherst, Appomattox, Bedford, Buckingham and 27 more66 min

Nearby

Mesoscale Discussions in Kentucky, 2014Mesoscale Discussions in Tennessee, 2014Mesoscale Discussions in West Virginia, 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.