Alert archive / West Virginia / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 288

June 23, 20164 counties in Kentucky; 7 counties in Ohio; 28 counties in West Virginia

The Storm Prediction Center issued this severe thunderstorm watch at Jun 23, 2016, 3:42 AM EDT for 4 counties in Kentucky; 7 counties in Ohio; 28 counties in West Virginia. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Jun 23, 2016, 3:42 AM EDT (07:42 UTC)
Expired: Jun 23, 2016, 8:00 AM EDT
In force: 4 hr
Issued by: the Storm Prediction Center
Largest hail expected: 1.5 in
Strongest gust expected: 60 kt

All 39 counties

Boyd County, KY, Carter County, KY, Greenup County, KY, Lawrence County, KY, Athens County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Vinton County, OH, Washington County, OH, Boone County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Fayette County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Lincoln County, WV, Logan County, WV, Mason County, WV, Mingo County, WV, Nicholas County, WV, Pleasants County, WV, Putnam County, WV, Raleigh County, WV, Ritchie County, WV, Roane County, WV, Upshur County, WV, Wayne County, WV, Webster County, WV, Wirt County, WV, Wood County, WV, Wyoming County, WV

The radar

The Charleston,WV radar (KRLX), 49 km from the middle of the area, began a volume at 07:45 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: 5%
Ten or more severe wind reports: 40%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 20%
One or more hailstones of 2 inches or more: 10%
Six or more combined severe hail and wind reports: 70%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 23, 4:08 AM EDT	Flash Flood Warning	RLX	Doddridge, Gilmer, Harrison, Lewis, Pleasants, Ritchie and 2 more	3 hr
Jun 23, 4:10 AM EDT	Severe Thunderstorm Warning	RLX	Gallia, Jackson, Lawrence, Meigs, Vinton	50 min
Jun 23, 4:54 AM EDT	Flash Flood Warning	RLX	Barbour, Harrison, Lewis, Randolph, Upshur	3 hr
Jun 23, 5:11 AM EDT	Severe Thunderstorm Warning	RLX	Lawrence	64 min
Jun 23, 5:37 AM EDT	Severe Thunderstorm Warning	RLX	Braxton, Clay, Nicholas, Pocahontas, Webster	53 min
Jun 23, 6:17 AM EDT	Severe Thunderstorm Warning	RLX	Boyd, Carter, Greenup, Lawrence	43 min
Jun 23, 6:58 AM EDT	Severe Thunderstorm Warning	RLX	Boyd, Carter, Lawrence	47 min
Jun 23, 7:47 AM EDT	Severe Thunderstorm Warning	RLX	Lawrence	43 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, 7.7 hours before the alert went out and 170 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: 130 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 774 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 340 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 10:33 PM EDT	Tornado Watch	SPC	Boone, Bracken, Campbell, Gallatin, Grant, Kenton and 4 more	8 hr
Jun 23, 12:51 AM EDT	Mesoscale Discussion	SPC	Boone, Bracken, Campbell, Gallatin, Grant, Greenup and 5 more	84 min
Jun 23, 2:51 AM EDT	Mesoscale Discussion	SPC	Boyd, Lawrence	54 min
Jun 23, 4:36 AM EDT	Mesoscale Discussion	SPC	Boone, Bracken, Campbell, Fleming, Kenton, Lewis and 3 more	24 min
Jun 23, 6:15 AM EDT	Mesoscale Discussion	SPC	Boyd, Lawrence	90 min
Jun 23, 2:26 PM EDT	Mesoscale Discussion	SPC	Anderson, Bath, Bourbon, Boyd, Bracken, Campbell and 41 more	64 min
Jun 23, 3:01 PM EDT	Tornado Watch	SPC	Bath, Boone, Bourbon, Boyd, Bracken, Breathitt and 38 more	7 hr
Jun 23, 3:24 PM EDT	Severe Thunderstorm Watch	SPC	Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 49 more	10 hr
Jun 23, 6:57 PM EDT	Mesoscale Discussion	SPC	Bath, Bell, Boone, Bourbon, Boyd, Bracken and 52 more	93 min
Jun 23, 7:17 PM EDT	Severe Thunderstorm Watch	SPC	Bell, Clay, Harlan, Knox, Laurel, Leslie and 6 more	5 hr
Jun 23, 7:58 PM EDT	Mesoscale Discussion	SPC	Adair, Allen, Anderson, Barren, Boyle, Breckinridge and 49 more	2 hr
Jun 22, 8:07 PM EDT	Mesoscale Discussion	SPC	Fulton, Williams	113 min
Jun 22, 9:53 PM EDT	Mesoscale Discussion	SPC	Allen, Auglaize, Champaign, Clark, Darke, Greene and 9 more	97 min
Jun 23, 1:43 PM EDT	Mesoscale Discussion	SPC	Monroe, Summers	92 min
Jun 23, 3:52 PM EDT	Severe Thunderstorm Watch	SPC	Greenbrier, Mercer, Monroe, Summers	7 hr
Jun 23, 4:36 PM EDT	Mesoscale Discussion	SPC	Boone, Fayette, Greenbrier, Mercer, Monroe, Nicholas and 3 more	54 min

Nearby

Severe Thunderstorm Watches in West Virginia, 2016 Severe Thunderstorm Watches in Ohio, 2016 Severe Thunderstorm Watches in Kentucky, 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.