Alert archive / Kentucky / Mesoscale Discussions in 2020

Mesoscale Discussion 37

January 11, 202054 counties in Kentucky; 5 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jan 11, 2020, 11:35 AM CST for 54 counties in Kentucky; 5 counties in Ohio. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Jan 11, 2020, 11:35 AM CST (17:35 UTC)
Expired: Jan 11, 2020, 1:00 PM CST
In force: 85 min
Issued by: the Storm Prediction Center

All 59 counties

Adair County, KY, Anderson County, KY, Bath County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Breathitt County, KY, Campbell County, KY, Carter County, KY, Casey County, KY, Clark County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Elliott County, KY, Estill County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Garrard County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Jackson County, KY, Jessamine County, KY, Kenton County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Pendleton County, KY, Powell County, KY, Pulaski County, KY, Robertson County, KY, Rockcastle County, KY, Rowan County, KY, Russell County, KY, Scott County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Highland County, OH, Scioto County, OH

The radar

The Jackson,KY radar (KJKL), 72 km from the middle of the area, began a volume at 17:37 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.6 hours before the alert went out and 204 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1025 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 776 m²/s²
0-3 km storm-relative helicity: 952 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 11, 6:12 AM CST	Mesoscale Discussion	SPC	Butler, Caldwell, Christian, Daviess, Hancock, Henderson and 9 more	93 min
Jan 11, 6:57 AM CST	Tornado Watch	SPC	Allen, Butler, Caldwell, Christian, Daviess, Hancock and 10 more	7 hr
Jan 11, 8:20 AM CST	Mesoscale Discussion	SPC	Adair, Anderson, Barren, Boone, Boyle, Breckinridge and 45 more	55 min
Jan 11, 8:36 AM CST	Severe Thunderstorm Watch	SPC	Adair, Anderson, Barren, Bath, Boone, Bourbon and 62 more	7 hr
Jan 11, 5:36 PM CST	Mesoscale Discussion	SPC	Letcher, Pike	84 min

Nearby

Mesoscale Discussions in Kentucky, 2020 Mesoscale Discussions in Ohio, 2020 Every mesoscale discussion in 2020

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.