Alert archive / Kansas / Severe Thunderstorm Watches in 2017

Severe Thunderstorm Watch 337

June 15, 201751 counties in Kansas; 19 counties in Missouri; 31 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Jun 15, 2017, 7:07 PM CDT for 51 counties in Kansas; 19 counties in Missouri; 31 counties in Oklahoma. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 15, 2017, 7:07 PM CDT (00:07 UTC)
Expired: Jun 16, 2017, 1:30 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 70 kt

All 101 counties

Allen County, KS, Anderson County, KS, Barber County, KS, Bourbon County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Crawford County, KS, Douglas County, KS, Edwards County, KS, Elk County, KS, Ford County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Kingman County, KS, Kiowa County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Miami County, KS, Montgomery County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Pawnee County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Sedgwick County, KS, Shawnee County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Cass County, MO, Cedar County, MO, Clay County, MO, Dade County, MO, Henry County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Platte County, MO, Ray County, MO, St. Clair County, MO, Vernon County, MO, Adair County, OK, Alfalfa County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garfield County, OK, Grant County, OK, Haskell County, OK, Kay County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Topeka radar (KTWX), 139 km from the middle of the area, began a volume at 00:11 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: 90%
One or more gusts of 65 knots or more: 50%
Ten or more severe hail reports: 50%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 15, 7:07 PM CDT	Severe Thunderstorm Warning	ICT	Harper, Kingman	68 min
Jun 15, 7:13 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Lyon	47 min
Jun 15, 7:14 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Cowley, Elk, Greenwood, Sedgwick, Sumner	76 min
Jun 15, 7:24 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Pottawatomie, Shawnee, Wabaunsee	20 min
Jun 15, 7:30 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson, Shawnee	29 min
Jun 15, 7:53 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Kingman, Reno, Sedgwick, Sumner	52 min
Jun 15, 8:01 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Pratt	23 min
Jun 15, 8:03 PM CDT	Severe Thunderstorm Warning	ICT	Cowley, Harper, Sumner	72 min
Jun 15, 8:11 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	64 min
Jun 15, 8:20 PM CDT	Severe Thunderstorm Warning	TOP	Douglas	25 min
Jun 15, 8:22 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson	38 min
Jun 15, 8:33 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick, Sumner	11 min
Jun 15, 8:36 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Pratt	11 min
Jun 15, 8:36 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth	39 min
Jun 15, 8:53 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Pawnee, Washington	67 min
Jun 15, 8:58 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth, Wyandotte	32 min
Jun 15, 8:59 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Elk, Labette, Montgomery	45 min
Jun 15, 9:12 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay, Noble	48 min
Jun 15, 9:25 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant, Major	27 min
Jun 15, 9:28 PM CDT	Severe Thunderstorm Warning	EAX	Wyandotte	32 min
Jun 15, 9:37 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	53 min
Jun 15, 9:40 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Nowata, Osage, Rogers, Tulsa and 1 more	50 min
Jun 15, 9:51 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	39 min
Jun 15, 9:57 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble, Payne	31 min
Jun 15, 9:58 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Lafayette, Ray	47 min
Jun 15, 10:09 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	66 min
Jun 15, 10:23 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Creek, Delaware, Mayes, Muskogee and 4 more	52 min
Jun 15, 10:28 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Osage, Pawnee, Rogers, Tulsa and 1 more	47 min
Jun 15, 11:07 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, McIntosh, Muskogee, Okmulgee and 3 more	53 min
Jun 15, 11:41 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, Latimer, LeFlore, McIntosh and 3 more	49 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

Topeka, KS (KFOE), launched 00:00Z, 0.1 hours before the alert went out and 131 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: 1569 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1423 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 1:41 PM CDT	Mesoscale Discussion	SPC	Jewell, Marshall, Republic, Washington	94 min
Jun 16, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Jewell, Marshall, Nemaha, Norton, Phillips and 3 more	8 hr
Jun 16, 6:16 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Jackson, Marshall, Nemaha and 1 more	119 min
Jun 16, 12:45 PM CDT	Mesoscale Discussion	SPC	Bollinger, Cape Girardeau, Madison, Mississippi, New Madrid, Pemiscot and 5 more	3 hr
Jun 15, 10:41 PM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Craig, Creek, Delaware, Haskell and 23 more	64 min

Nearby

Severe Thunderstorm Watches in Kansas, 2017 Severe Thunderstorm Watches in Oklahoma, 2017 Severe Thunderstorm Watches in Missouri, 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.