Alert archive / Kentucky / Mesoscale Discussions in 2008

Mesoscale Discussion 112

January 29, 200834 counties in Kentucky; 33 counties in Ohio; 14 counties in Tennessee

The Storm Prediction Center issued this mesoscale discussion at Jan 29, 2008, 9:51 PM EST for 34 counties in Kentucky; 33 counties in Ohio; 14 counties in Tennessee. It was in force for 54 min.

The area

The outline as issued.

The facts

Issued: Jan 29, 2008, 9:51 PM EST (02:51 UTC)
Expired: Jan 29, 2008, 10:45 PM EST
In force: 54 min
Issued by: the Storm Prediction Center

All 81 counties

Bath County, KY, Bell County, KY, Boyd County, KY, Breathitt County, KY, Carter County, KY, Clark County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Greenup County, KY, Jackson County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Lewis County, KY, Madison County, KY, Magoffin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Nicholas County, KY, Owsley County, KY, Perry County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Adams County, OH, Ashland County, OH, Brown County, OH, Clinton County, OH, Coshocton County, OH, Crawford County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Knox County, OH, Lawrence County, OH, Licking County, OH, Madison County, OH, Marion County, OH, Morrow County, OH, Muskingum County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Richland County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Wayne County, OH, Wyandot County, OH, Anderson County, TN, Bledsoe County, TN, Campbell County, TN, Claiborne County, TN, Cumberland County, TN, Fentress County, TN, Knox County, TN, Loudon County, TN, Morgan County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Union County, TN, Van Buren County, TN

The radar

The Jackson,KY radar (KJKL), 67 km from the middle of the area, began a volume at 02:51 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 00:00Z, 2.9 hours before the alert went out and 184 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: 787 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: 394 m²/s²
0-3 km storm-relative helicity: 451 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.

Issued	Product	Office	Counties	Lasted
Jan 29, 7:30 PM EST	Mesoscale Discussion	SPC	Adair, Anderson, Bath, Bell, Bourbon, Boyd and 62 more	60 min
Jan 29, 8:12 PM EST	Severe Thunderstorm Watch	SPC	Adair, Anderson, Bath, Bell, Boone, Bourbon and 68 more	5 hr
Jan 29, 7:06 PM EST	Severe Thunderstorm Watch	SPC	Allen, Defiance, Fulton, Henry, Paulding, Putnam and 2 more	3 hr

Nearby

Mesoscale Discussions in Kentucky, 2008 Mesoscale Discussions in Ohio, 2008 Mesoscale Discussions in Tennessee, 2008 Every mesoscale discussion in 2008

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.