Alert archive / Kansas / Severe Thunderstorm Watches in 2017

Severe Thunderstorm Watch 346

June 17, 201759 counties in Kansas; 26 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Jun 17, 2017, 6:12 PM CDT for 59 counties in Kansas; 26 counties in Missouri. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jun 17, 2017, 6:12 PM CDT (23:12 UTC)
Expired: Jun 18, 2017, 1:39 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 60 kt

All 85 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Barber County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Clark County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Dickinson County, KS, Douglas County, KS, Edwards County, KS, Elk County, KS, Ford County, KS, Franklin County, KS, Geary County, KS, Grant County, KS, Gray County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Haskell 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, McPherson County, KS, Meade County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Pawnee County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Seward County, KS, Shawnee County, KS, Stafford County, KS, Stevens County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Henry County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Pettis County, MO, Platte County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Sullivan County, MO

The radar

The Topeka radar (KTWX), 27 km from the middle of the area, began a volume at 23:13 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: 20%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 17, 6:17 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Kiowa	13 min
Jun 17, 6:19 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris, Wabaunsee	41 min
Jun 17, 6:43 PM CDT	Severe Thunderstorm Warning	TOP	Wabaunsee	47 min
Jun 17, 6:45 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris, Wabaunsee	45 min
Jun 17, 6:53 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Wabaunsee	52 min
Jun 17, 7:03 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Pawnee, Pratt, Stafford	57 min
Jun 17, 7:11 PM CDT	Severe Thunderstorm Warning	ICT	McPherson, Marion, Saline	48 min
Jun 17, 7:18 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jefferson, Shawnee	42 min
Jun 17, 7:21 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Pottawatomie, Shawnee, Wabaunsee	39 min
Jun 17, 7:28 PM CDT	Severe Thunderstorm Warning	DDC	Edwards	29 min
Jun 17, 7:28 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Wabaunsee	47 min
Jun 17, 7:34 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage, Shawnee, Wabaunsee	41 min
Jun 17, 7:43 PM CDT	Severe Thunderstorm Warning	DDC	Ford, Gray, Meade	47 min
Jun 17, 7:44 PM CDT	Severe Thunderstorm Warning	TOP	Morris	46 min
Jun 17, 7:45 PM CDT	Severe Thunderstorm Warning	ICT	Chase, Marion	60 min
Jun 17, 7:47 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Jefferson, Shawnee	43 min
Jun 17, 7:52 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Kiowa, Pratt, Stafford	53 min
Jun 17, 7:55 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage, Wabaunsee	35 min
Jun 17, 7:59 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Jefferson, Shawnee	46 min
Jun 17, 8:18 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Ford, Gray, Meade	57 min
Jun 17, 8:21 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage	39 min
Jun 17, 8:24 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Pawnee, Stafford	14 min
Jun 17, 8:24 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson	33 min
Jun 17, 8:29 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Kiowa, Pratt	61 min
Jun 17, 8:29 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Leavenworth, Wyandotte	46 min
Jun 17, 8:34 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin, Osage	41 min
Jun 17, 8:36 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Greenwood, Harvey, Marion	54 min
Jun 17, 8:42 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Ford, Meade	48 min
Jun 17, 8:44 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Lyon, Osage	46 min
Jun 17, 8:45 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	45 min
Jun 17, 8:48 PM CDT	Severe Thunderstorm Warning	ICT	Barton, Reno, Rice	21 min
Jun 17, 9:00 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte, Ray	45 min
Jun 17, 9:02 PM CDT	Severe Thunderstorm Warning	EAX	Miami	43 min
Jun 17, 9:04 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Comanche, Kiowa	56 min
Jun 17, 9:05 PM CDT	Severe Thunderstorm Warning	TOP	Franklin	10 min
Jun 17, 9:08 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	52 min
Jun 17, 9:19 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Comanche	56 min
Jun 17, 9:21 PM CDT	Severe Thunderstorm Warning	DDC	Pawnee, Stafford	22 min
Jun 17, 9:21 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey	39 min
Jun 17, 9:22 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Elk, Greenwood, Harvey, Sedgwick	68 min
Jun 17, 9:26 PM CDT	Severe Thunderstorm Warning	DDC	Comanche, Kiowa	49 min
Jun 17, 9:38 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Greenwood, Wilson, Woodson	82 min
Jun 17, 9:38 PM CDT	Severe Thunderstorm Warning	EAX	Jackson, Johnson, Lafayette, Ray	52 min
Jun 17, 9:41 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Comanche	49 min
Jun 17, 9:42 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick, Sumner	78 min
Jun 17, 9:47 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	5 min
Jun 17, 9:49 PM CDT	Tornado Warning	EAX	Lafayette	26 min
Jun 17, 9:58 PM CDT	Severe Thunderstorm Warning	DDC	Clark	25 min
Jun 17, 10:01 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Comanche	43 min
Jun 17, 10:07 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Lafayette, Pettis, Saline	53 min
Jun 17, 10:08 PM CDT	Severe Thunderstorm Warning	ICT	Elk, Labette, Montgomery, Neosho, Wilson	82 min
Jun 17, 10:13 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chautauqua, Cowley, Elk	77 min
Jun 17, 10:16 PM CDT	Severe Thunderstorm Warning	EAX	Linn	44 min
Jun 17, 10:19 PM CDT	Severe Thunderstorm Warning	DDC	Clark	26 min
Jun 17, 10:30 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho	75 min
Jun 17, 10:38 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Pettis, Saline	51 min
Jun 17, 10:40 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Howard, Randolph, Saline	36 min
Jun 17, 10:46 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Comanche, Kiowa	33 min
Jun 17, 11:00 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Montgomery	54 min
Jun 17, 11:22 PM CDT	Severe Thunderstorm Warning	ICT	Labette, Montgomery, Neosho, Wilson	48 min
Jun 17, 11:49 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Comanche	41 min
Jun 18, 12:39 AM CDT	Severe Thunderstorm Warning	DDC	Hodgeman, Ness	40 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 12:00Z, 11.2 hours before the alert went out and 33 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: 828 J/kg
Mixed-layer CIN: -321 J/kg
Mixed-layer LCL: 1179 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 388 m²/s²
0-3 km storm-relative helicity: 536 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.3

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, 7:52 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Atchison, Brown, Clay, Coffey, Doniphan and 19 more	9 hr
Jun 16, 9:27 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Douglas, Franklin, Jackson and 14 more	2 hr
Jun 16, 11:14 PM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Bourbon, Brown, Clay, Coffey and 21 more	91 min
Jun 17, 12:09 AM CDT	Severe Thunderstorm Watch	SPC	Allen, Bourbon, Cherokee, Crawford, Neosho, Woodson	9 hr
Jun 17, 2:58 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Cherokee, Coffey, Crawford and 11 more	2 hr
Jun 17, 5:31 AM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Cherokee, Crawford, Labette, Neosho	89 min
Jun 17, 3:45 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Barber, Barton, Butler and 37 more	3 hr
Jun 16, 11:36 PM CDT	Severe Thunderstorm Watch	SPC	Audrain, Boone, Callaway, Cole, Gasconade, Knox and 11 more	3 hr
Jun 17, 2:44 PM CDT	Mesoscale Discussion	SPC	Adair, Clark, Knox, Lewis, Schuyler, Scotland	2 hr
Jun 17, 5:39 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Clark, Knox, Lewis, Marion, Putnam and 3 more	7 hr

Nearby

Severe Thunderstorm Watches in Kansas, 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.