Alert archive / Kentucky / Mesoscale Discussions in 2014

Mesoscale Discussion 1245

July 1, 201416 counties in Indiana; 24 counties in Kentucky; 5 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jul 1, 2014, 5:43 PM EDT for 16 counties in Indiana; 24 counties in Kentucky; 5 counties in Ohio. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
Jul 1, 2014, 5:43 PM EDT (21:43 UTC)
Expired
Jul 1, 2014, 7:15 PM EDT
In force
92 min
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 45 counties

Clark County, IN, Crawford County, IN, Dearborn County, IN, Floyd County, IN, Franklin County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Washington County, IN, Boone County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Campbell County, KY, Carroll County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Mason County, KY, Meade County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Brown County, OH, Butler County, OH, Clermont County, OH, Hamilton County, OH, Warren County, OH

The radar

The Louisville radar (KLVX), 89 km from the middle of the area, began a volume at 21:43 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.7 hours before the alert went out and 173 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 2014-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 224 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, Cncnati-Daytn, OH at 12:00Z on 2014-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
224 J/kg
Mixed-layer CIN
-333 J/kg
Mixed-layer LCL
1472 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
163 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 30, 8:47 PM EDTMesoscale DiscussionSPCFulton, Jasper, Lake, LaPorte, Marshall, Newton and 5 more88 min
Jun 30, 9:44 PM EDTMesoscale DiscussionSPCJasper, Lake, LaPorte, Newton, Porter31 min
Jun 30, 10:01 PM EDTSevere Thunderstorm WatchSPCBenton, Jasper, Lake, Newton, Porter6 hr
Jun 30, 10:06 PM EDTMesoscale DiscussionSPCElkhart, Saint Joseph84 min
Jun 30, 10:47 PM EDTMesoscale DiscussionSPCLake88 min
Jun 30, 11:11 PM EDTMesoscale DiscussionSPCBoone, Carroll, Cass, Clinton, Fountain, Fulton and 16 more2 hr
Jun 30, 11:22 PM EDTMesoscale DiscussionSPCLake, Newton53 min
Jun 30, 11:35 PM EDTSevere Thunderstorm WatchSPCAdams, Allen, Blackford, Carroll, Cass, Clinton and 24 more4 hr
Jul 1, 12:31 AM EDTMesoscale DiscussionSPCBenton, Carroll, Cass, Elkhart, Fountain, Fulton and 14 more89 min
Jul 1, 1:24 AM EDTMesoscale DiscussionSPCAdams, Allen, DeKalb, Huntington, Jay, LaGrange and 4 more66 min
Jul 1, 2:56 AM EDTMesoscale DiscussionSPCBartholomew, Dearborn, Decatur, Fayette, Franklin, Henry and 11 more64 min
Jul 1, 3:07 PM EDTSevere Thunderstorm WatchSPCGibson, Pike, Posey, Spencer, Vanderburgh, Warrick7 hr
Jul 1, 2:31 PM EDTMesoscale DiscussionSPCBallard, Carlisle, Fulton, Hickman, McCracken59 min
Jul 1, 7:13 PM EDTMesoscale DiscussionSPCBallard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 14 more92 min
Jul 1, 1:44 AM EDTSevere Thunderstorm WatchSPCAllen, Crawford, Defiance, Erie, Fulton, Hancock and 12 more4 hr
Jul 1, 4:05 AM EDTMesoscale DiscussionSPCAshland, Champaign, Clark, Crawford, Delaware, Erie and 20 more55 min
Jul 1, 3:22 PM EDTMesoscale DiscussionSPCCarroll, Columbiana, Harrison, Jefferson, Mahoning, Stark and 1 more53 min

Nearby

Mesoscale Discussions in Kentucky, 2014Mesoscale Discussions in Indiana, 2014Mesoscale Discussions in Ohio, 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.