Alert archive / Kentucky / Mesoscale Discussions in 2015

Mesoscale Discussion 1186

June 25, 20155 states

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2015, 10:05 PM CDT for 5 states. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
Jun 25, 2015, 10:05 PM CDT (03:05 UTC)
Expired
Jun 25, 2015, 11:30 PM CDT
In force
85 min
Issued by
the Storm Prediction Center
All 103 counties

Clay County, IL, Clinton County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Jefferson County, IL, Lawrence County, IL, Marion County, IL, Monroe County, IL, Perry County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Clark County, IN, Crawford County, IN, Daviess County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Harrison County, IN, Knox County, IN, Martin County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Scott County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Anderson County, KY, Bath County, KY, Bourbon County, KY, Boyle County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Daviess County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Floyd County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Henderson County, KY, Henry County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Johnson County, KY, Knott County, KY, Larue County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Rockcastle County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Washington County, KY, Wolfe County, KY, Woodford County, KY, Buchanan County, VA, Dickenson County, VA, Logan County, WV, Mingo County, WV, Wayne County, WV

The radar

The Louisville radar (KLVX), 39 km from the middle of the area, began a volume at 03:06 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 00:00Z, 3.1 hours before the alert went out and 214 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 00:00Z on 2015-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1734 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 00:00Z on 2015-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
1734 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1654 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.9

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 25, 7:27 PM CDTMesoscale DiscussionSPCBond, Calhoun, Clay, Clinton, Fayette, Franklin and 15 more93 min
Jun 26, 11:50 AM CDTMesoscale DiscussionSPCAlexander, Clay, Crawford, Edwards, Franklin, Gallatin and 20 more115 min
Jun 26, 12:18 PM CDTSevere Thunderstorm WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more7 hr
Jun 26, 3:16 PM CDTMesoscale DiscussionSPCHardin, Massac, Pope89 min
Jun 26, 2:08 PM CDTSevere Thunderstorm WatchSPCClark, Crawford, Dearborn, Dubois, Floyd, Franklin and 11 more6 hr
Jun 26, 4:17 PM CDTMesoscale DiscussionSPCBath, Bell, Boyd, Breathitt, Carter, Clark and 33 more28 min
Jun 26, 4:42 PM CDTSevere Thunderstorm WatchSPCBath, Bell, Boyd, Breathitt, Carter, Clay and 32 more8 hr
Jun 26, 6:42 PM CDTMesoscale DiscussionSPCBourbon, Bracken, Clark, Clinton, Fayette, Garrard and 11 more63 min
Jun 25, 9:11 PM CDTMesoscale DiscussionSPCAmelia, Brunswick, Buckingham, Charles City, Chesterfield, Cumberland and 20 more64 min
Jun 25, 10:27 PM CDTMesoscale DiscussionSPCAmelia, Brunswick, Charles City, Chesterfield, Dinwiddie, Gloucester and 25 more63 min

Nearby

Mesoscale Discussions in Kentucky, 2015Mesoscale Discussions in Illinois, 2015Mesoscale Discussions in Indiana, 2015Every mesoscale discussion in 2015

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.