Alert archive / Kentucky / Tornado Watches in 2026

Tornado Watch 347

June 17, 20264 states

The Storm Prediction Center issued this tornado watch at Jun 17, 2026, 9:13 PM CDT for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jun 17, 2026, 9:13 PM CDT (02:13 UTC)
Expired: Jun 18, 2026, 4:00 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 1.5 in
Strongest gust expected: 65 kt

All 69 counties

Edwards County, IL, Hamilton County, IL, Wabash County, IL, Wayne County, IL, White County, IL, Clark County, IN, Crawford County, IN, Dearborn County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Franklin County, IN, Gibson County, IN, Harrison County, IN, Jefferson County, IN, Ohio County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Ripley County, IN, Scott County, IN, Spencer County, IN, Switzerland County, IN, Union County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Meade County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Scott County, KY, Shelby County, KY, Trimble County, KY, Adams County, OH, Brown County, OH, Butler County, OH, Clermont County, OH, Clinton County, OH, Fayette County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Montgomery County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Warren County, OH

The radar

The Louisville radar (KLVX), 115 km from the middle of the area, began a volume at 02:17 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: 60%
One or more EF2 to EF5 tornadoes: 40%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 60%
Ten or more severe hail reports: 30%
One or more hailstones of 2 inches or more: 20%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 17, 10:49 PM CDT	Tornado Warning	ILN	Dearborn, Ohio, Ripley, Switzerland	41 min
Jun 17, 10:59 PM CDT	Tornado Warning	ILN	Butler, Montgomery, Preble, Warren	31 min
Jun 17, 11:10 PM CDT	Tornado Warning	ILN	Dearborn, Ohio, Switzerland	37 min
Jun 17, 11:16 PM CDT	Flash Flood Warning Considerable damage threat	ILN	Dearborn, Ohio, Ripley	7 hr
Jun 17, 11:34 PM CDT	Tornado Warning	ILN	Campbell, Kenton	41 min
Jun 17, 11:59 PM CDT	Tornado Warning	ILN	Clermont	33 min
Jun 18, 12:00 AM CDT	Flash Flood Warning Considerable damage threat	ILN	Ohio	5 hr
Jun 18, 12:04 AM CDT	Tornado Warning	ILN	Dearborn, Franklin, Ripley	26 min
Jun 18, 12:20 AM CDT	Tornado Warning	ILN	Adams, Brown, Highland	40 min
Jun 18, 12:24 AM CDT	Flash Flood Warning Considerable damage threat	ILN	Franklin	3 hr
Jun 18, 12:25 AM CDT	Tornado Warning	ILN	Dearborn, Franklin	35 min
Jun 18, 12:43 AM CDT	Flash Flood Warning Considerable damage threat	ILN	Brown, Clermont	6 hr
Jun 18, 1:01 AM CDT	Tornado Warning	ILN	Clinton, Warren	16 min
Jun 18, 1:24 AM CDT	Flash Flood Warning	ILN	Adams, Brown, Highland, Pike, Ross	3 hr
Jun 18, 1:38 AM CDT	Severe Thunderstorm Warning	LMK	Orange, Washington	37 min
Jun 18, 2:04 AM CDT	Severe Thunderstorm Warning	LMK	Clark, Jefferson, Scott, Washington	26 min
Jun 18, 2:08 AM CDT	Tornado Warning	LMK	Jefferson, Scott	33 min
Jun 18, 2:16 AM CDT	Severe Thunderstorm Warning	LMK	Crawford, Floyd, Harrison, Orange, Washington	29 min
Jun 18, 2:30 AM CDT	Tornado Warning	ILN	Switzerland	33 min
Jun 18, 2:32 AM CDT	Severe Thunderstorm Warning	LMK	Clark, Floyd, Jefferson, Washington	43 min
Jun 18, 2:32 AM CDT	Tornado Warning Tornado observed	LMK	Jefferson	16 min
Jun 18, 2:35 AM CDT	Flash Flood Warning	LMK	Orange, Washington	2 hr
Jun 18, 2:36 AM CDT	Severe Thunderstorm Warning	ILN	Highland, Pike, Ross	39 min
Jun 18, 2:42 AM CDT	Severe Thunderstorm Warning	LMK	Crawford, Floyd, Harrison, Washington	33 min
Jun 18, 2:52 AM CDT	Severe Thunderstorm Warning	ILN	Switzerland	38 min
Jun 18, 3:00 AM CDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Clermont, Highland	22 min
Jun 18, 3:11 AM CDT	Flash Flood Warning	LMK	Clark, Jefferson, Orange, Scott, Washington	4 hr
Jun 18, 3:11 AM CDT	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Floyd, Harrison, Orange, Perry and 1 more	34 min
Jun 18, 3:12 AM CDT	Severe Thunderstorm Warning	ILN	Bracken, Campbell, Grant, Kenton, Pendleton, Robertson	46 min
Jun 18, 3:12 AM CDT	Tornado Warning Tornado observed	ILN	Adams, Pike, Scioto	33 min
Jun 18, 3:16 AM CDT	Severe Thunderstorm Warning	LMK	Anderson, Bourbon, Franklin, Harrison, Scott, Shelby and 1 more	29 min
Jun 18, 3:17 AM CDT	Tornado Warning	ILN	Grant, Pendleton	28 min
Jun 18, 3:32 AM CDT	Tornado Warning	LMK	Crawford, Dubois, Perry	19 min
Jun 18, 3:35 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ILN	Bracken, Mason, Robertson	41 min
Jun 18, 3:40 AM CDT	Flash Flood Warning	LMK	Clark, Crawford, Floyd, Harrison, Orange, Washington	5 hr
Jun 18, 3:40 AM CDT	Severe Thunderstorm Warning	LMK	Clark, Crawford, Floyd, Harrison, Perry	35 min
Jun 18, 3:45 AM CDT	Severe Thunderstorm Warning Considerable damage threat	JKL	Bath, Fleming, Montgomery, Rowan	45 min
Jun 18, 3:45 AM CDT	Severe Thunderstorm Warning	LMK	Anderson, Bourbon, Clark, Fayette, Franklin, Harrison and 5 more	45 min
Jun 18, 3:47 AM CDT	Tornado Warning	LMK	Bullitt, Jefferson, Shelby, Spencer	16 min
Jun 18, 3:52 AM CDT	Flash Flood Warning	LMK	Crawford, Dubois, Harrison, Orange, Perry	3 hr

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, 2.2 hours before the alert went out and 135 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: 136 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1205 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 427 m²/s²
0-3 km storm-relative helicity: 684 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 9:03 PM CDT	Mesoscale Discussion	SPC	Clay, Crawford, Effingham, Jasper, Lawrence, Richland	87 min
Jun 17, 8:27 PM CDT	Mesoscale Discussion	SPC	Clark, Crawford, Dearborn, Dubois, Floyd, Franklin and 16 more	3 hr
Jun 17, 11:27 PM CDT	Mesoscale Discussion	SPC	Bartholomew, Dearborn, Decatur, Franklin, Jackson, Jefferson and 5 more	93 min
Jun 18, 2:29 AM CDT	Mesoscale Discussion	SPC	Clark, Crawford, Dubois, Floyd, Gibson, Harrison and 13 more	91 min
Jun 18, 3:39 AM CDT	Tornado Watch	SPC	Clark, Crawford, Floyd, Harrison, Perry	6 hr
Jun 18, 12:43 PM CDT	Mesoscale Discussion	SPC	Adair, Barren, Bell, Boyle, Breathitt, Casey and 30 more	62 min

Nearby

Tornado Watches in Kentucky, 2026 Tornado Watches in Indiana, 2026 Tornado Watches in Ohio, 2026 Every tornado watch in 2026

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.