Alert archive / Kentucky / Mesoscale Discussions in 2012

Mesoscale Discussion 215

March 2, 20125 states

The Storm Prediction Center issued this mesoscale discussion at Mar 2, 2012, 3:35 PM EST for 5 states. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
Mar 2, 2012, 3:35 PM EST (20:35 UTC)
Expired
Mar 2, 2012, 5:00 PM EST
In force
85 min
Issued by
the Storm Prediction Center
All 145 counties

Clark County, IN, Dearborn County, IN, Floyd County, IN, Franklin County, IN, Harrison County, IN, Jefferson County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bath County, KY, Bell County, KY, Boone 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, Campbell 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, Gallatin County, KY, Garrard County, KY, Grant County, KY, Grayson County, KY, Green County, KY, Greenup 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, Kenton 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, Muhlenberg 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, Todd 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, Athens County, OH, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Fayette County, OH, Gallia County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pike County, OH, Ross County, OH, Scioto County, OH, Vinton County, OH, Warren County, OH, Clay County, TN, Macon County, TN, Pickett County, TN, Sumner County, TN, Boone County, WV, Cabell County, WV, Jackson County, WV, Kanawha County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Putnam County, WV, Roane County, WV, Wayne County, WV, Wirt County, WV, Wood County, WV

The radar

The Louisville radar (KLVX), 109 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 181 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 2012-03-02Temperature 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 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 217 square meters per square second.1939587897117136Sfc1 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
1876 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
217 m²/s²
0-3 km storm-relative helicity
254 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
Mar 2, 4:40 AM ESTMesoscale DiscussionSPCCrawford, Dubois, Harrison, Perry, Pike, Spencer and 1 more65 min
Mar 2, 5:25 AM ESTMesoscale DiscussionSPCClay, Daviess, Gibson, Greene, Knox, Martin and 4 more95 min
Mar 2, 6:52 AM ESTSevere Thunderstorm WatchSPCBartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more6 hr
Mar 2, 8:50 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clay, Daviess, Dearborn and 38 more85 min
Mar 2, 10:22 AM ESTMesoscale DiscussionSPCBrown, Clark, Crawford, Daviess, Dubois, Floyd and 17 more113 min
Mar 2, 10:54 AM ESTTornado Watch PDSSPCBoone, Carroll, Clay, Clinton, Daviess, Fountain and 26 more6 hr
Mar 2, 11:02 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clay, Fountain, Greene and 14 more88 min
Mar 2, 11:30 AM ESTMesoscale DiscussionSPCAdams, Blackford, Dearborn, Delaware, Fayette, Franklin and 7 more90 min
Mar 2, 1:02 PM ESTTornado Watch PDSSPCBartholomew, Brown, Clark, Crawford, Dearborn, Decatur and 25 more8 hr
Mar 2, 1:05 PM ESTMesoscale DiscussionSPCBartholomew, Brown, Clark, Crawford, Daviess, Dearborn and 27 more85 min
Mar 2, 12:46 PM ESTMesoscale DiscussionSPCBell, McCreary, Whitley29 min
Mar 2, 4:19 PM ESTTornado Watch PDSSPCBell, Boyd, Breathitt, Carter, Clay, Elliott and 18 more6 hr
Mar 2, 6:13 PM ESTMesoscale DiscussionSPCBath, Boyd, Breathitt, Carter, Clark, Clay and 30 more62 min
Mar 2, 3:30 AM ESTMesoscale DiscussionSPCBradley, McMinn, Monroe, Polk90 min
Mar 2, 10:07 AM ESTMesoscale DiscussionSPCBedford, Bledsoe, Bradley, Cannon, Coffee, Cumberland and 28 more53 min
Mar 2, 10:25 AM ESTTornado WatchSPCAnderson, Bedford, Bledsoe, Blount, Bradley, Campbell and 46 more5 hr
Mar 2, 11:28 AM ESTMesoscale DiscussionSPCCrockett, Dyer, Fayette, Gibson, Haywood, Lake and 5 more62 min
Mar 2, 2:20 PM ESTTornado WatchSPCBedford, Benton, Cannon, Carroll, Cheatham, Chester and 50 more9 hr
Mar 2, 2:58 PM ESTMesoscale DiscussionSPCAnderson, Blount, Bradley, Campbell, Claiborne, Cocke and 21 more62 min
Mar 2, 3:19 PM ESTTornado WatchSPCAnderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more8 hr
Mar 2, 4:25 PM ESTMesoscale DiscussionSPCBedford, Benton, Cannon, Carroll, Cheatham, Chester and 44 more65 min
Mar 2, 6:41 PM ESTMesoscale DiscussionSPCBradley, Polk2 hr

Nearby

Mesoscale Discussions in Kentucky, 2012Mesoscale Discussions in Ohio, 2012Mesoscale Discussions in West Virginia, 2012Every mesoscale discussion in 2012

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.