Alert archive / Missouri / Severe Thunderstorm Watches in 2011

Severe Thunderstorm Watch 458

June 10, 20114 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 10, 2011, 4:57 PM CDT for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jun 10, 2011, 4:57 PM CDT (21:57 UTC)
Expired: Jun 11, 2011, 12:00 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 118 counties

Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Saint Clair County, IL, Allen County, KS, Anderson County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Audrain County, MO, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, City of Saint Louis, MO, Clay County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Jasper County, MO, Jefferson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lawrence County, MO, Lewis County, MO, Lincoln County, MO, Macon County, MO, Maries County, MO, Marion County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Pettis County, MO, Pike County, MO, Platte County, MO, Polk County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saint Charles County, MO, Saint Louis County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Blaine County, OK, Canadian County, OK, Craig County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Noble County, OK, Nowata County, OK, Oklahoma County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Washington County, OK

The radar

The Pleasant Hill radar (KEAX), 150 km from the middle of the area, began a volume at 22:00 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: 70%
One or more gusts of 65 knots or more: 30%
Ten or more severe hail reports: 80%
One or more hailstones of 2 inches or more: 20%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 10, 5:02 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade	28 min
Jun 10, 5:06 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Montgomery, Pike, Ralls	39 min
Jun 10, 5:10 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Marion	65 min
Jun 10, 5:29 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Montgomery, Warren	31 min
Jun 10, 5:30 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Pike	45 min
Jun 10, 5:36 PM CDT	Severe Thunderstorm Warning	LSX	Lewis	39 min
Jun 10, 5:42 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	48 min
Jun 10, 5:46 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Warren	44 min
Jun 10, 5:49 PM CDT	Tornado Warning	LSX	Adams	41 min
Jun 10, 6:16 PM CDT	Flash Flood Warning	LSX	Marion	10 hr
Jun 10, 6:20 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood, Woodson	55 min
Jun 10, 6:26 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Kingfisher	64 min
Jun 10, 6:27 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	48 min
Jun 10, 6:30 PM CDT	Tornado Warning	LSX	Adams	30 min
Jun 10, 6:34 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	41 min
Jun 10, 6:39 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey	51 min
Jun 10, 6:43 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Marion	62 min
Jun 10, 6:47 PM CDT	Severe Thunderstorm Warning	OUN	Kay	58 min
Jun 10, 6:49 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho, Wilson	56 min
Jun 10, 6:50 PM CDT	Severe Thunderstorm Warning	SGF	Morgan	55 min
Jun 10, 6:53 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Monroe	52 min
Jun 10, 7:06 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher, Logan, Oklahoma	54 min
Jun 10, 7:09 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	36 min
Jun 10, 7:11 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey	64 min
Jun 10, 7:12 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	33 min
Jun 10, 7:13 PM CDT	Severe Thunderstorm Warning	ICT	Woodson	16 min
Jun 10, 7:14 PM CDT	Severe Thunderstorm Warning	LSX	Brown	46 min
Jun 10, 7:19 PM CDT	Tornado Warning	TOP	Anderson	41 min
Jun 10, 7:19 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	41 min
Jun 10, 7:20 PM CDT	Severe Thunderstorm Warning	TSA	Osage	55 min
Jun 10, 7:23 PM CDT	Tornado Warning	LSX	Audrain, Monroe	30 min
Jun 10, 7:29 PM CDT	Severe Thunderstorm Warning	EAX	Cooper	31 min
Jun 10, 7:29 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Ralls	46 min
Jun 10, 7:32 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Callaway	43 min
Jun 10, 7:33 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Moniteau	42 min
Jun 10, 7:42 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Montgomery	48 min
Jun 10, 7:43 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho	47 min
Jun 10, 7:44 PM CDT	Severe Thunderstorm Warning	EAX	Linn	46 min
Jun 10, 7:49 PM CDT	Flash Flood Warning	LSX	Bond, Fayette	4 hr
Jun 10, 7:49 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon	56 min
Jun 10, 7:58 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Lincoln, Montgomery, Pike, Warren	47 min
Jun 10, 7:59 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	31 min
Jun 10, 8:13 PM CDT	Severe Thunderstorm Warning	LSX	Audrain	47 min
Jun 10, 8:15 PM CDT	Severe Thunderstorm Warning	TOP	Anderson	15 min
Jun 10, 8:16 PM CDT	Severe Thunderstorm Warning	LSX	Boone	27 min
Jun 10, 8:18 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Elk, Montgomery, Wilson	57 min
Jun 10, 8:27 PM CDT	Severe Thunderstorm Warning	EAX	Linn	33 min
Jun 10, 8:27 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho, Wilson, Woodson	63 min
Jun 10, 8:29 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown	16 min
Jun 10, 8:29 PM CDT	Severe Thunderstorm Warning	ICT	Allen	46 min
Jun 10, 8:40 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon	65 min
Jun 10, 8:45 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Pike	35 min
Jun 10, 8:48 PM CDT	Tornado Warning	LSX	Audrain, Callaway	27 min
Jun 10, 8:54 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon	66 min
Jun 10, 8:54 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Gasconade	51 min
Jun 10, 8:57 PM CDT	Flash Flood Warning	LSX	Audrain	4 hr
Jun 10, 8:58 PM CDT	Severe Thunderstorm Warning	ICT	Labette, Neosho	62 min
Jun 10, 9:06 PM CDT	Severe Thunderstorm Warning	ICT	Montgomery, Wilson	24 min
Jun 10, 9:06 PM CDT	Severe Thunderstorm Warning	LSX	Montgomery, Warren	39 min
Jun 10, 9:11 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Pike	49 min
Jun 10, 9:13 PM CDT	Severe Thunderstorm Warning	ICT	Allen	32 min
Jun 10, 9:23 PM CDT	Severe Thunderstorm Warning	LSX	Franklin	52 min
Jun 10, 9:33 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	42 min
Jun 10, 9:35 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	15 min
Jun 10, 9:46 PM CDT	Severe Thunderstorm Warning	SGF	Cherokee, Crawford	59 min
Jun 10, 9:47 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Shelby	43 min
Jun 10, 9:51 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Saint Louis	39 min
Jun 10, 9:53 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Montgomery	53 min
Jun 10, 9:53 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Montgomery, Warren	52 min
Jun 10, 9:54 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon	66 min
Jun 10, 9:58 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey, Madison	35 min
Jun 10, 10:07 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Warren	39 min
Jun 10, 10:13 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper, Vernon	44 min
Jun 10, 10:30 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Saint Louis	23 min
Jun 10, 10:35 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Woodson	25 min
Jun 10, 10:36 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey	14 min
Jun 10, 10:44 PM CDT	Flash Flood Warning	LSX	Saint Louis, City of Saint Louis	2 hr
Jun 10, 11:14 PM CDT	Flash Flood Warning	LSX	Bond, Fayette, Macoupin, Montgomery	5 hr
Jun 10, 11:19 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Marion	41 min
Jun 10, 11:20 PM CDT	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion	23 min
Jun 10, 11:41 PM CDT	Severe Thunderstorm Warning	LSX	Fayette	39 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 (KTOP), launched 12:00Z, 10.0 hours before the alert went out and 144 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: 164 J/kg
Mixed-layer CIN: -446 J/kg
Mixed-layer LCL: 753 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 88 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 10, 12:10 PM CDT	Mesoscale Discussion	SPC	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 11 more	95 min
Jun 10, 1:02 PM CDT	Severe Thunderstorm Watch	SPC	Bond, Clark, Clay, Clinton, Coles, Crawford and 13 more	7 hr
Jun 10, 3:48 PM CDT	Mesoscale Discussion	SPC	Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 6 more	87 min
Jun 10, 5:55 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Champaign, Christian, DeWitt and 20 more	65 min
Jun 10, 6:08 PM CDT	Severe Thunderstorm Watch	SPC	Cass, Christian, DeWitt, Fulton, Knox, Logan and 13 more	6 hr
Jun 9, 7:43 PM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Brown, Clay, Coffey, Dickinson and 20 more	92 min
Jun 9, 9:56 PM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 6 more	79 min
Jun 10, 4:18 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 15 more	87 min
Jun 9, 9:48 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Andrew, Atchison, Clark, Daviess, DeKalb and 17 more	6 hr
Jun 9, 11:45 PM CDT	Mesoscale Discussion	SPC	Adair, Andrew, Atchison, Clark, Daviess, DeKalb and 17 more	90 min
Jun 10, 3:31 PM CDT	Mesoscale Discussion	SPC	Blaine, Caddo, Canadian, Cleveland, Comanche, Cotton and 14 more	2 hr
Jun 10, 5:20 PM CDT	Severe Thunderstorm Watch	SPC	Caddo, Comanche, Cotton, Greer, Harmon, Jackson and 3 more	6 hr

Nearby

Severe Thunderstorm Watches in Missouri, 2011 Severe Thunderstorm Watches in Kansas, 2011 Severe Thunderstorm Watches in Oklahoma, 2011 Every severe thunderstorm watch in 2011

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.