Alert archive / Kentucky / Severe Thunderstorm Watches in 2008

Severe Thunderstorm Watch 28

January 29, 200874 counties in Kentucky; 65 counties in Ohio; 30 counties in Tennessee

The Storm Prediction Center issued this severe thunderstorm watch at Jan 29, 2008, 7:12 PM CST for 74 counties in Kentucky; 65 counties in Ohio; 30 counties in Tennessee. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jan 29, 2008, 7:12 PM CST (01:12 UTC)
Expired: Jan 30, 2008, 12:00 AM CST
In force: 5 hr
Issued by: the Storm Prediction Center
Largest hail expected: 0.5 in
Strongest gust expected: 60 kt

All 169 counties

Adair County, KY, Anderson 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, 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, Floyd County, KY, Franklin County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Green County, KY, Greenup County, KY, Harlan County, KY, Harrison County, KY, Jackson County, KY, Jessamine County, KY, Johnson County, KY, Kenton County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lawrence County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Lewis County, KY, Lincoln County, KY, Madison County, KY, Magoffin County, KY, Marion County, KY, Martin County, KY, Mason County, KY, McCreary County, KY, Menifee County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Montgomery County, KY, Morgan County, KY, Nicholas 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, Taylor County, KY, Washington County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY, Woodford County, KY, Adams County, OH, Ashland County, OH, Athens County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Geauga County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Jackson County, OH, Knox County, OH, Lake County, OH, Lawrence County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Meigs County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Ottawa County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Preble County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Scioto County, OH, Seneca County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH, Anderson County, TN, Bledsoe County, TN, Campbell County, TN, Cannon County, TN, Claiborne County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Grundy County, TN, Hamilton County, TN, Jackson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, Meigs County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN

The radar

The Cincinnati radar (KILN), 35 km from the middle of the area, began a volume at 01:14 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 10%
One or more EF2 to EF5 tornadoes: 5%
Ten or more severe wind reports: 90%
One or more gusts of 65 knots or more: 40%
Ten or more severe hail reports: 5%
One or more hailstones of 2 inches or more: 5%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

47 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jan 29, 7:20 PM CST	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Henry, Mercer, Nelson, Shelby and 3 more	25 min
Jan 29, 7:38 PM CST	Severe Thunderstorm Warning	LMK	Boyle, Casey, Green, Larue, Marion, Mercer and 3 more	52 min
Jan 29, 7:40 PM CST	Severe Thunderstorm Warning	LMK	Adair, Casey, Clinton, Cumberland, Green, Metcalfe and 3 more	35 min
Jan 29, 7:44 PM CST	Severe Thunderstorm Warning	ILN	Boone, Bracken, Campbell, Gallatin, Grant, Kenton and 3 more	61 min
Jan 29, 7:45 PM CST	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Henry, Mercer, Nelson, Scott and 4 more	45 min
Jan 29, 7:52 PM CST	Tornado Warning	LMK	Cumberland, Metcalfe, Monroe	23 min
Jan 29, 7:52 PM CST	Severe Thunderstorm Warning	OHX	Macon, Smith	38 min
Jan 29, 8:04 PM CST	Severe Thunderstorm Warning	OHX	Cannon, Rutherford	26 min
Jan 29, 8:10 PM CST	Severe Thunderstorm Warning	JKL	McCreary, Pulaski, Rockcastle, Wayne	65 min
Jan 29, 8:12 PM CST	Severe Thunderstorm Warning	OHX	Clay, DeKalb, Jackson, Putnam, Smith	33 min
Jan 29, 8:13 PM CST	Severe Thunderstorm Warning	LMK	Bourbon, Boyle, Clark, Fayette, Garrard, Harrison and 6 more	47 min
Jan 29, 8:16 PM CST	Severe Thunderstorm Warning	LMK	Adair, Casey, Clinton, Cumberland, Lincoln, Russell	44 min
Jan 29, 8:29 PM CST	Severe Thunderstorm Warning	OHX	DeKalb, Overton, Putnam, Warren, White	31 min
Jan 29, 8:35 PM CST	Severe Thunderstorm Warning	CLE	Hancock, Marion, Seneca, Wyandot	55 min
Jan 29, 8:37 PM CST	Severe Thunderstorm Warning	ILN	Champaign, Clark, Fayette, Greene, Madison, Union	53 min
Jan 29, 8:39 PM CST	Severe Thunderstorm Warning	JKL	Bath, Estill, Fleming, Jackson, Laurel, Lee and 6 more	66 min
Jan 29, 8:42 PM CST	Severe Thunderstorm Warning	ILN	Bracken, Lewis, Mason, Robertson	63 min
Jan 29, 8:43 PM CST	Severe Thunderstorm Warning	MRX	Bledsoe, Hamilton, Marion, Morgan, Rhea, Scott and 1 more	47 min
Jan 29, 8:52 PM CST	Severe Thunderstorm Warning	OHX	Cumberland, Fentress	38 min
Jan 29, 9:08 PM CST	Severe Thunderstorm Warning	JKL	Bell, Clay, Knox	67 min
Jan 29, 9:10 PM CST	Severe Thunderstorm Warning	JKL	McCreary	20 min
Jan 29, 9:14 PM CST	Severe Thunderstorm Warning	JKL	Elliott, Morgan, Wolfe	61 min
Jan 29, 9:24 PM CST	Severe Thunderstorm Warning	MRX	Anderson, Bledsoe, Bradley, Campbell, Claiborne, Hamilton and 13 more	36 min
Jan 29, 9:27 PM CST	Tornado Warning	JKL	Clay, Jackson, Owsley	33 min
Jan 29, 9:32 PM CST	Severe Thunderstorm Warning	CLE	Crawford, Erie, Huron, Sandusky, Seneca, Wyandot	58 min
Jan 29, 9:34 PM CST	Severe Thunderstorm Warning	JKL	Breathitt, Magoffin	56 min
Jan 29, 9:39 PM CST	Severe Thunderstorm Warning	JKL	Whitley	21 min
Jan 29, 9:42 PM CST	Severe Thunderstorm Warning	JKL	Rowan	18 min
Jan 29, 9:46 PM CST	Severe Thunderstorm Warning	JKL	Lee	14 min
Jan 29, 9:49 PM CST	Severe Thunderstorm Warning	JKL	Harlan, Leslie, Perry	56 min
Jan 29, 9:58 PM CST	Severe Thunderstorm Warning	JKL	Johnson	47 min
Jan 29, 9:58 PM CST	Severe Thunderstorm Warning	MRX	Anderson, Blount, Bradley, Campbell, Claiborne, Grainger and 9 more	47 min
Jan 29, 10:00 PM CST	Severe Thunderstorm Warning	CLE	Knox, Morrow, Richland	45 min
Jan 29, 10:12 PM CST	Severe Thunderstorm Warning	JKL	Knott, Letcher	63 min
Jan 29, 10:14 PM CST	Severe Thunderstorm Warning	JKL	Floyd	61 min
Jan 29, 10:15 PM CST	Severe Thunderstorm Warning	CLE	Erie, Huron	31 min
Jan 29, 10:16 PM CST	Severe Thunderstorm Warning	JKL	Bell	14 min
Jan 29, 10:19 PM CST	Severe Thunderstorm Warning	RLX	Boyd	41 min
Jan 29, 10:25 PM CST	Severe Thunderstorm Warning	JKL	Breathitt, Magoffin	35 min
Jan 29, 10:27 PM CST	Severe Thunderstorm Warning	CLE	Ashland, Richland	27 min
Jan 29, 10:29 PM CST	Severe Thunderstorm Warning	JKL	Martin	46 min
Jan 29, 10:36 PM CST	Severe Thunderstorm Warning	MRX	Blount, Claiborne, Grainger, Hamblen, Hancock, Hawkins and 5 more	39 min
Jan 29, 10:37 PM CST	Severe Thunderstorm Warning	JKL	Pike	53 min
Jan 29, 10:38 PM CST	Severe Thunderstorm Warning	CLE	Lorain	35 min
Jan 29, 10:43 PM CST	Severe Thunderstorm Warning	JKL	Harlan	22 min
Jan 29, 10:55 PM CST	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga, Holmes, Lake, Medina, Portage and 3 more	95 min
Jan 29, 11:26 PM CST	Severe Thunderstorm Warning	JKL	Pike	34 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.2 hours before the alert went out and 37 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

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 29, 6:06 PM CST	Severe Thunderstorm Watch	SPC	Adams, Allen, Blackford, DeKalb, Elkhart, Grant and 9 more	3 hr
Jan 29, 6:15 PM CST	Mesoscale Discussion	SPC	Carroll, Cass, Elkhart, Fulton, Jasper, Lake and 8 more	4 hr
Jan 29, 6:30 PM CST	Mesoscale Discussion	SPC	Adair, Anderson, Bath, Bell, Bourbon, Boyd and 62 more	60 min
Jan 29, 8:51 PM CST	Mesoscale Discussion	SPC	Bath, Bell, Boyd, Breathitt, Carter, Clark and 28 more	54 min

Nearby

Severe Thunderstorm Watches in Kentucky, 2008 Severe Thunderstorm Watches in Ohio, 2008 Severe Thunderstorm Watches in Tennessee, 2008 Every severe thunderstorm watch 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.