Alert archive / Kentucky / Mesoscale Discussions in 2015

Mesoscale Discussion 1392

July 13, 20155 states

The Storm Prediction Center issued this mesoscale discussion at Jul 13, 2015, 3:04 PM EDT for 5 states. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued
Jul 13, 2015, 3:04 PM EDT (19:04 UTC)
Expired
Jul 13, 2015, 4:30 PM EDT
In force
86 min
Issued by
the Storm Prediction Center
All 121 counties

Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Orange County, IN, Perry County, IN, 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, Bracken County, KY, Breathitt County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Carroll County, KY, Carter County, KY, Casey 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, Franklin County, KY, Garrard County, KY, Grant County, KY, Grayson County, KY, Green County, KY, Greenup County, KY, Hancock County, KY, Hardin County, KY, Harlan County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jackson County, KY, Jefferson 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, Lewis County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Owsley County, KY, Pendleton County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Scioto County, OH, Buchanan County, VA, Dickenson 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, Mingo County, WV, Putnam County, WV, Wayne County, WV, Wyoming County, WV

The radar

The Jackson,KY radar (KJKL), 86 km from the middle of the area, began a volume at 19:08 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, 7.1 hours before the alert went out and 155 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 2015-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2015-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.19395878Sfc1 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
765 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
102 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
Jul 13, 4:49 AM EDTMesoscale DiscussionSPCJasper, Lake, LaPorte, Newton, Porter, Pulaski and 1 more116 min
Jul 13, 5:14 AM EDTSevere Thunderstorm WatchSPCBenton, Jasper, Lake, Newton, Porter6 hr
Jul 13, 8:19 AM EDTMesoscale DiscussionSPCBenton, Jasper, Lake, LaPorte, Marshall, Newton and 5 more86 min
Jul 13, 10:17 AM EDTSevere Thunderstorm WatchSPCBartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more4 hr
Jul 13, 12:01 PM EDTMesoscale DiscussionSPCClark, Crawford, Daviess, Dearborn, Dubois, Floyd and 21 more89 min
Jul 13, 12:55 PM EDTSevere Thunderstorm WatchSPCClark, Crawford, Dearborn, Dubois, Floyd, Harrison and 8 more7 hr
Jul 13, 5:01 PM EDTTornado WatchSPCBenton, Fountain, Jasper, Lake, Newton, Porter and 2 more7 hr
Jul 13, 7:59 PM EDTMesoscale DiscussionSPCBartholomew, Benton, Boone, Brown, Carroll, Cass and 52 more91 min
Jul 13, 5:45 PM EDTMesoscale DiscussionSPCAdair, Barren, Bell, Casey, Clay, Clinton and 25 more2 hr
Jul 13, 4:07 PM EDTMesoscale DiscussionSPCAlleghany, Bath, Bland, Botetourt, Carroll, Craig and 26 more83 min
Jul 13, 4:39 PM EDTSevere Thunderstorm WatchSPCBland, Carroll, Floyd, Giles, Grayson, Lee and 14 more5 hr
Jul 13, 6:23 PM EDTSevere Thunderstorm WatchSPCAlbemarle, Alleghany, Amherst, Appomattox, Augusta, Bath and 28 more6 hr

Nearby

Mesoscale Discussions in Kentucky, 2015Mesoscale Discussions in West Virginia, 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.