Alert archive / Nebraska / Severe Thunderstorm Watches in 2017

Severe Thunderstorm Watch 325

June 13, 201715 counties in Kansas; 39 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 13, 2017, 5:25 PM CDT for 15 counties in Kansas; 39 counties in Nebraska. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jun 13, 2017, 5:25 PM CDT (22:25 UTC)
Expired: Jun 14, 2017, 1:00 AM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 54 counties

Barton County, KS, Clay County, KS, Cloud County, KS, Ellsworth County, KS, Jewell County, KS, Lincoln County, KS, Mitchell County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Russell County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Jefferson County, NE, Kearney County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 38 km from the middle of the area, began a volume at 22:29 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: 30%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 40%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 70%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 13, 6:07 PM CDT	Severe Thunderstorm Warning	GID	Osborne, Rooks	23 min
Jun 13, 6:20 PM CDT	Severe Thunderstorm Warning	GID	Adams, Franklin, Kearney, Webster	25 min
Jun 13, 6:31 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Howard, Merrick, Nance	29 min
Jun 13, 6:45 PM CDT	Severe Thunderstorm Warning	GID	Adams	45 min
Jun 13, 6:53 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Howard, Merrick, Nance	37 min
Jun 13, 6:58 PM CDT	Severe Thunderstorm Warning	GID	Phillips, Rooks, Smith	47 min
Jun 13, 7:13 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay	32 min
Jun 13, 7:29 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Howard, Merrick, Nance, Polk and 1 more	46 min
Jun 13, 7:43 PM CDT	Severe Thunderstorm Warning	GID	Smith	32 min
Jun 13, 7:45 PM CDT	Severe Thunderstorm Warning	GID	Phillips, Rooks	30 min
Jun 13, 7:45 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Nuckolls, Webster	30 min
Jun 13, 7:56 PM CDT	Severe Thunderstorm Warning	OAX	Boone, Platte	34 min
Jun 13, 8:05 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Platte	25 min
Jun 13, 8:09 PM CDT	Severe Thunderstorm Warning	GID	Clay, Hamilton, Merrick, Nance, Polk, York	51 min
Jun 13, 8:14 PM CDT	Severe Thunderstorm Warning	GID	Smith	31 min
Jun 13, 8:14 PM CDT	Severe Thunderstorm Warning	OAX	Colfax, Madison, Platte, Stanton	31 min
Jun 13, 8:15 PM CDT	Severe Thunderstorm Warning	GID	Phillips, Smith	30 min
Jun 13, 8:21 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Platte, Saunders	24 min
Jun 13, 8:23 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Cuming, Stanton, Thurston, Wayne	37 min
Jun 13, 8:29 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Platte	31 min
Jun 13, 8:30 PM CDT	Severe Thunderstorm Warning	GID	Fillmore, York	30 min
Jun 13, 8:42 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Cuming, Dodge, Lancaster, Saunders and 1 more	33 min
Jun 13, 8:45 PM CDT	Severe Thunderstorm Warning	GID	Phillips, Smith	45 min
Jun 13, 8:54 PM CDT	Severe Thunderstorm Warning	GID	Fillmore, Polk, York	36 min
Jun 13, 8:58 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Cuming, Dodge, Thurston, Washington	32 min
Jun 13, 9:07 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Lancaster, Saunders, Seward	23 min
Jun 13, 9:14 PM CDT	Severe Thunderstorm Warning	ICT	Russell	44 min
Jun 13, 9:14 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Nuckolls, Webster	31 min
Jun 13, 9:27 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saunders, Seward	33 min
Jun 13, 9:30 PM CDT	Severe Thunderstorm Warning	GID	Smith	30 min
Jun 13, 9:39 PM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore, Nuckolls, Thayer	51 min
Jun 13, 10:00 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Nuckolls, Webster	45 min
Jun 13, 10:11 PM CDT	Severe Thunderstorm Warning	GID	York	34 min
Jun 13, 10:23 PM CDT	Severe Thunderstorm Warning	OAX	Saline, Seward	37 min
Jun 13, 10:29 PM CDT	Severe Thunderstorm Warning	GID	Clay, Fillmore, Nuckolls, Thayer	20 min
Jun 13, 10:57 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saline, Saunders, Seward	33 min
Jun 13, 11:14 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Lancaster, Saline, Saunders and 1 more	31 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

Omaha, NE (KOAX), launched 12:00Z, 10.4 hours before the alert went out and 219 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: 490 J/kg
Mixed-layer CIN: -541 J/kg
Mixed-layer LCL: 1199 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 224 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
Jun 13, 3:38 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Ford, Gray and 7 more	7 hr
Jun 13, 3:49 PM CDT	Mesoscale Discussion	SPC	Barton, Ellis, Ellsworth, Jewell, Lincoln, Mitchell and 4 more	2 hr
Jun 13, 6:30 PM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Ford, Gray and 5 more	90 min
Jun 12, 9:02 PM CDT	Mesoscale Discussion	SPC	Arthur, Box Butte, Cherry, Cheyenne, Dawes, Garden and 5 more	58 min
Jun 12, 11:14 PM CDT	Mesoscale Discussion	SPC	Box Butte, Cherry, Dawes, Grant, Hooker, Sheridan and 1 more	91 min
Jun 13, 2:32 PM CDT	Mesoscale Discussion	SPC	Blaine, Boyd, Brown, Cherry, Custer, Garfield and 12 more	58 min
Jun 13, 3:13 PM CDT	Tornado Watch	SPC	Antelope, Blaine, Boyd, Brown, Custer, Garfield and 6 more	7 hr
Jun 13, 3:46 PM CDT	Mesoscale Discussion	SPC	Adams, Antelope, Boone, Buffalo, Burt, Butler and 27 more	2 hr
Jun 13, 5:43 PM CDT	Mesoscale Discussion	SPC	Boyd, Holt, Knox, Rock	2 hr

Nearby

Severe Thunderstorm Watches in Nebraska, 2017 Severe Thunderstorm Watches in Kansas, 2017 Every severe thunderstorm watch in 2017

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.