Alert archive / Kentucky / Mesoscale Discussions in 2013

Mesoscale Discussion 1244

June 26, 20134 states

The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2013, 11:11 AM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 26, 2013, 11:11 AM CDT (16:11 UTC)
Expired
Jun 26, 2013, 1:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 96 counties

Clark County, IL, Crawford County, IL, Lawrence County, IL, Richland County, IL, Wabash County, IL, Bartholomew County, IN, Brown County, IN, Clark County, IN, Clay County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Greene County, IN, Harrison County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Perry County, IN, Pike County, IN, Ripley County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Switzerland County, IN, Vigo County, IN, Warrick County, IN, Washington County, IN, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Campbell County, KY, Carroll County, KY, Clark County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Henry County, KY, Jackson County, KY, Jefferson County, KY, Jessamine County, KY, Kenton County, KY, Larue County, KY, Lee County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, Mason County, KY, Meade County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Nelson County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Owsley County, KY, Pendleton County, KY, Powell County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Washington County, KY, Wolfe County, KY, Woodford County, KY, Brown County, OH, Clermont County, OH

The radar

The Louisville radar (KLVX), 42 km from the middle of the area, began a volume at 16:13 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, 4.2 hours before the alert went out and 213 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 2013-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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 2013-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
19 J/kg
Mixed-layer CIN
-204 J/kg
Mixed-layer LCL
894 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
90 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 25, 9:20 PM CDTMesoscale DiscussionSPCCass, Champaign, Christian, Clark, Coles, Crawford and 27 more85 min
Jun 25, 9:44 PM CDTMesoscale DiscussionSPCHancock91 min
Jun 25, 9:49 PM CDTSevere Thunderstorm WatchSPCBureau, Cass, Champaign, Christian, Clark, Clay and 47 more7 hr
Jun 26, 1:43 AM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Calhoun, Clinton, Fayette and 10 more92 min
Jun 26, 2:09 AM CDTSevere Thunderstorm WatchSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 13 more5 hr
Jun 26, 3:32 AM CDTMesoscale DiscussionSPCBoone, Bureau, Carroll, DeKalb, DuPage, Fulton and 24 more88 min
Jun 26, 5:46 AM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clay, Clinton, Edwards and 30 more89 min
Jun 26, 12:22 PM CDTSevere Thunderstorm WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more11 hr
Jun 26, 2:50 PM CDTMesoscale DiscussionSPCEdwards, Gallatin, Hamilton, Hardin, Jefferson, Marion and 4 more115 min
Jun 26, 3:40 PM CDTMesoscale DiscussionSPCAdams, Bond, Calhoun, Clinton, Greene, Jersey and 7 more95 min
Jun 26, 6:54 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more96 min
Jun 25, 7:44 PM CDTMesoscale DiscussionSPCFayette, Union, Wayne61 min
Jun 26, 2:23 PM CDTSevere Thunderstorm WatchSPCDearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more9 hr
Jun 26, 6:04 PM CDTMesoscale DiscussionSPCOhio, Switzerland86 min

Nearby

Mesoscale Discussions in Kentucky, 2013Mesoscale Discussions in Indiana, 2013Mesoscale Discussions in Illinois, 2013Every mesoscale discussion in 2013

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.