Alert archive / Kentucky / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 159

May 10, 20169 counties in Indiana; 81 counties in Kentucky; 8 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at May 10, 2016, 1:59 PM EDT for 9 counties in Indiana; 81 counties in Kentucky; 8 counties in Ohio. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued: May 10, 2016, 1:59 PM EDT (17:59 UTC)
Expired: May 10, 2016, 11:00 PM EDT
In force: 9 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 98 counties

Clark County, IN, Dearborn County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Ohio County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Ballard County, KY, Barren County, KY, Boone County, KY, Bourbon County, KY, Boyle County, KY, Bracken County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Campbell County, KY, Carlisle County, KY, Carroll County, KY, Casey County, KY, Christian County, KY, Clark County, KY, Clinton County, KY, Crittenden County, KY, Cumberland County, KY, Daviess County, KY, Edmonson County, KY, Fayette County, KY, Franklin County, KY, Fulton County, KY, Gallatin County, KY, Garrard County, KY, Grant County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Hickman County, KY, Hopkins County, KY, Jefferson County, KY, Jessamine County, KY, Kenton County, KY, Larue County, KY, Lewis County, KY, Lincoln County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Madison County, KY, Marion County, KY, Marshall County, KY, Mason County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Webster County, KY, Woodford County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Hamilton County, OH, Highland County, OH, Pike County, OH, Ross County, OH, Scioto County, OH

The radar

The Louisville radar (KLVX), 52 km from the middle of the area, began a volume at 17:58 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: 20%
One or more EF2 to EF5 tornadoes: 2%
Ten or more severe wind reports: 50%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 50%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 70%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 10, 2:08 PM EDT	Severe Thunderstorm Warning	LMK	Hancock, Ohio	37 min
May 10, 2:10 PM EDT	Tornado Warning	PAH	Daviess	35 min
May 10, 2:17 PM EDT	Tornado Warning	LMK	Hancock, Ohio	28 min
May 10, 2:28 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hancock, Meade	47 min
May 10, 2:37 PM EDT	Tornado Warning	LMK	Breckinridge, Hancock	23 min
May 10, 2:59 PM EDT	Tornado Warning	LMK	Breckinridge	31 min
May 10, 3:01 PM EDT	Severe Thunderstorm Warning	ILN	Switzerland	29 min
May 10, 3:19 PM EDT	Severe Thunderstorm Warning	ILN	Ohio, Switzerland	26 min
May 10, 3:19 PM EDT	Tornado Warning	LMK	Breckinridge, Hardin	26 min
May 10, 3:28 PM EDT	Severe Thunderstorm Warning	PAH	Carlisle, Graves, Hickman	32 min
May 10, 3:30 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge	15 min
May 10, 3:40 PM EDT	Severe Thunderstorm Warning	ILN	Pike, Ross	35 min
May 10, 3:41 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Larue, Nelson	34 min
May 10, 3:44 PM EDT	Severe Thunderstorm Warning	ILN	Switzerland	31 min
May 10, 3:46 PM EDT	Tornado Warning	PAH	Graves	29 min
May 10, 3:57 PM EDT	Severe Thunderstorm Warning	PAH	Graves, Marshall	48 min
May 10, 4:07 PM EDT	Tornado Warning Tornado observed	PAH	Calloway, Graves, Marshall	23 min
May 10, 4:14 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Nelson	31 min
May 10, 4:23 PM EDT	Severe Thunderstorm Warning	LMK	Grayson, Hardin	37 min
May 10, 4:25 PM EDT	Severe Thunderstorm Warning	LMK	Hardin, Larue, Marion, Nelson	35 min
May 10, 4:30 PM EDT	Tornado Warning Tornado observedConsiderable damage threat	PAH	Lyon, Marshall, Trigg	45 min
May 10, 4:35 PM EDT	Flash Flood Warning	LMK	Hardin	3 hr
May 10, 4:42 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Nelson, Spencer, Washington	33 min
May 10, 4:47 PM EDT	Severe Thunderstorm Warning	LMK	Grayson, Green, Hart, Larue, Marion	43 min
May 10, 4:48 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Greene, Highland, Warren	27 min
May 10, 4:55 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Marion, Mercer, Nelson, Washington	35 min
May 10, 5:05 PM EDT	Tornado Warning	PAH	Caldwell, Crittenden, Hopkins, Webster	25 min
May 10, 5:11 PM EDT	Tornado Warning	PAH	Caldwell, Lyon, Trigg	34 min
May 10, 5:18 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Boyle, Mercer, Washington, Woodford	27 min
May 10, 5:33 PM EDT	Severe Thunderstorm Warning	LMK	Green, Larue, Marion, Taylor	42 min
May 10, 5:37 PM EDT	Tornado Warning	PAH	Caldwell, Christian, Hopkins, Trigg	23 min
May 10, 5:38 PM EDT	Severe Thunderstorm Warning	LMK	Green, Hart, Larue	37 min
May 10, 5:42 PM EDT	Tornado Warning	PAH	Hopkins, McLean	33 min
May 10, 5:43 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Boyle, Fayette, Garrard, Jessamine, Mercer and 1 more	47 min
May 10, 5:55 PM EDT	Tornado Warning	LMK	Hart	20 min
May 10, 5:59 PM EDT	Tornado Warning	PAH	Christian, Hopkins, Muhlenberg	46 min
May 10, 6:07 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Garrard, Jessamine, Madison and 2 more	38 min
May 10, 6:15 PM EDT	Severe Thunderstorm Warning	LMK	Green, Hart, Taylor	30 min
May 10, 6:20 PM EDT	Tornado Warning	PAH	Daviess, McLean, Muhlenberg	29 min
May 10, 6:24 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Garrard, Lincoln, Marion, Taylor	36 min
May 10, 6:24 PM EDT	Tornado Warning	LMK	Ohio	36 min
May 10, 6:38 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Garrard, Jessamine, Madison	39 min
May 10, 6:44 PM EDT	Tornado Warning Tornado observedConsiderable damage threat	PAH	Muhlenberg	31 min
May 10, 6:46 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Marion, Taylor	29 min
May 10, 6:56 PM EDT	Severe Thunderstorm Warning	LMK	Green, Hart, Larue, Taylor	22 min
May 10, 6:58 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Garrard, Lincoln, Madison	47 min
May 10, 6:58 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Ohio	47 min
May 10, 7:00 PM EDT	Tornado Warning	LMK	Casey, Lincoln, Taylor	15 min
May 10, 7:00 PM EDT	Tornado Warning	PAH	Muhlenberg	18 min
May 10, 7:01 PM EDT	Tornado Warning	LMK	Ohio	13 min
May 10, 7:15 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln, Marion, Taylor	30 min
May 10, 7:17 PM EDT	Tornado Warning	LMK	Breckinridge, Grayson, Ohio	28 min
May 10, 7:23 PM EDT	Severe Thunderstorm Warning	PAH	Christian	37 min
May 10, 7:24 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Jefferson, Oldham, Shelby	36 min
May 10, 7:27 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Barren, Green, Hart, Metcalfe	33 min
May 10, 7:32 PM EDT	Tornado Warning	PAH	Crittenden	28 min
May 10, 7:36 PM EDT	Tornado Warning	PAH	Caldwell, Christian	39 min
May 10, 7:40 PM EDT	Tornado Warning	LMK	Breckinridge, Grayson	20 min
May 10, 7:46 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Grayson	29 min
May 10, 7:57 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Green	33 min
May 10, 7:59 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Green, Taylor	31 min
May 10, 8:01 PM EDT	Tornado Warning	PAH	Christian, Trigg	29 min
May 10, 8:14 PM EDT	Tornado Warning	PAH	Christian	46 min
May 10, 8:27 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Green, Russell, Taylor	33 min
May 10, 8:28 PM EDT	Tornado Warning Tornado observed	PAH	Christian, Trigg	47 min
May 10, 8:30 PM EDT	Severe Thunderstorm Warning	PAH	Christian	30 min
May 10, 8:31 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Cumberland, Metcalfe	29 min
May 10, 8:41 PM EDT	Tornado Warning	PAH	Christian, Trigg	34 min
May 10, 8:51 PM EDT	Tornado Warning	LMK	Casey, Russell	24 min
May 10, 8:52 PM EDT	Tornado Warning Tornado observed	PAH	Christian	23 min
May 10, 8:58 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Cumberland, Metcalfe, Russell	47 min
May 10, 8:59 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Lincoln, Russell	46 min
May 10, 9:02 PM EDT	Severe Thunderstorm Warning	PAH	Todd	28 min
May 10, 9:08 PM EDT	Tornado Warning Tornado observed	PAH	Christian	14 min
May 10, 9:10 PM EDT	Severe Thunderstorm Warning	LMK	Hardin, Meade	20 min
May 10, 9:17 PM EDT	Severe Thunderstorm Warning	PAH	Christian	13 min
May 10, 9:28 PM EDT	Severe Thunderstorm Warning	PAH	Todd	17 min
May 10, 9:34 PM EDT	Severe Thunderstorm Warning	PAH	Christian	26 min
May 10, 9:44 PM EDT	Severe Thunderstorm Warning	LMK	Russell	31 min
May 10, 9:44 PM EDT	Tornado Warning	PAH	Christian	31 min
May 10, 9:51 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge	24 min
May 10, 9:59 PM EDT	Severe Thunderstorm Warning	PAH	Christian, Todd	19 min
May 10, 10:00 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Marion, Mercer, Washington	30 min
May 10, 10:28 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Garrard, Jessamine, Mercer	32 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 12:00Z, 6.0 hours before the alert went out and 195 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: 1038 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 244 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
May 10, 1:38 PM EDT	Mesoscale Discussion	SPC	Clark, Floyd, Jefferson, Ohio, Switzerland	67 min
May 10, 4:44 PM EDT	Mesoscale Discussion	SPC	Clark, Dearborn, Floyd, Harrison, Jefferson, Jennings and 4 more	61 min
May 10, 6:06 PM EDT	Tornado Watch	SPC	Posey, Vanderburgh	6 hr
May 9, 9:16 PM EDT	Severe Thunderstorm Watch	SPC	Ballard, Carlisle, Fulton, Graves, Hickman, Livingston and 1 more	6 hr
May 9, 10:42 PM EDT	Mesoscale Discussion	SPC	Ballard, Carlisle, Graves, Hickman, McCracken	93 min
May 10, 4:08 PM EDT	Mesoscale Discussion	SPC	Ballard, Caldwell, Calloway, Carlisle, Christian, Fulton and 13 more	67 min
May 10, 6:19 PM EDT	Mesoscale Discussion	SPC	Boyd, Breathitt, Carter, Clay, Elliott, Estill and 23 more	86 min
May 10, 6:52 PM EDT	Severe Thunderstorm Watch	SPC	Bath, Bell, Boyd, Breathitt, Carter, Clay and 31 more	7 hr

Nearby

Severe Thunderstorm Watches in Kentucky, 2016 Severe Thunderstorm Watches in Indiana, 2016 Severe Thunderstorm Watches in Ohio, 2016 Every severe thunderstorm watch in 2016

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.