Alert archive / Minnesota / Tornado Watches in 2010

Tornado Watch 334

June 17, 20104 states

The Storm Prediction Center issued this tornado watch at Jun 17, 2010, 1:54 PM CDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jun 17, 2010, 1:54 PM CDT (18:54 UTC)
Expired: Jun 17, 2010, 9:59 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 70 kt

All 107 counties

Audubon County, IA, Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Emmet County, IA, Greene County, IA, Guthrie County, IA, Hancock County, IA, Harrison County, IA, Humboldt County, IA, Ida County, IA, Kossuth County, IA, Lyon County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Pottawattamie County, IA, Sac County, IA, Shelby County, IA, Sioux County, IA, Webster County, IA, Winnebago County, IA, Woodbury County, IA, Worth County, IA, Wright County, IA, Anoka County, MN, Benton County, MN, Big Stone County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Burt County, NE, Butler County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Platte County, NE, Sarpy County, NE, Saunders County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Roberts County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 101 km from the middle of the area, began a volume at 18:57 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: 50%
One or more EF2 to EF5 tornadoes: 40%
Ten or more severe wind reports: 80%
One or more gusts of 65 knots or more: 40%
Ten or more severe hail reports: 80%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 17, 2:27 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stevens	63 min
Jun 17, 2:51 PM CDT	Tornado Warning	MPX	Douglas	39 min
Jun 17, 3:25 PM CDT	Tornado Warning	MPX	Douglas	20 min
Jun 17, 3:43 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Renville, Sibley	47 min
Jun 17, 3:45 PM CDT	Tornado Warning	MPX	Douglas	30 min
Jun 17, 3:50 PM CDT	Tornado Warning	MPX	Brown, Nicollet, Renville, Sibley	40 min
Jun 17, 3:55 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Watonwan	50 min
Jun 17, 3:59 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Renville	61 min
Jun 17, 4:08 PM CDT	Severe Thunderstorm Warning	MPX	Martin, Watonwan	37 min
Jun 17, 4:08 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	52 min
Jun 17, 4:20 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Kossuth	40 min
Jun 17, 4:21 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Renville, Sibley	54 min
Jun 17, 4:24 PM CDT	Tornado Warning	DMX	Kossuth	36 min
Jun 17, 4:26 PM CDT	Severe Thunderstorm Warning	MPX	Nicollet, Sibley	34 min
Jun 17, 4:30 PM CDT	Tornado Warning	DMX	Kossuth, Palo Alto	30 min
Jun 17, 4:31 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	59 min
Jun 17, 4:31 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	59 min
Jun 17, 4:40 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Watonwan	50 min
Jun 17, 4:43 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns, Wright	47 min
Jun 17, 4:47 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, Clay, O'Brien	28 min
Jun 17, 4:52 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay	38 min
Jun 17, 4:58 PM CDT	Tornado Warning	DMX	Kossuth, Winnebago	47 min
Jun 17, 5:02 PM CDT	Tornado Warning	MPX	Meeker, Stearns, Wright	43 min
Jun 17, 5:05 PM CDT	Tornado Warning	MPX	Faribault	25 min
Jun 17, 5:07 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, McLeod, Wright	53 min
Jun 17, 5:20 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Mille Lacs, Sherburne	55 min
Jun 17, 5:25 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Rice, Waseca	65 min
Jun 17, 5:28 PM CDT	Tornado Warning	MPX	Carver, McLeod, Wright	47 min
Jun 17, 5:28 PM CDT	Tornado Warning	MPX	Faribault, Freeborn	32 min
Jun 17, 5:32 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Rice, Waseca	28 min
Jun 17, 5:35 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet	25 min
Jun 17, 5:39 PM CDT	Tornado Warning	MPX	Benton, Sherburne	51 min
Jun 17, 5:44 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Sibley	31 min
Jun 17, 5:47 PM CDT	Tornado Warning	DMX	Kossuth, Winnebago	28 min
Jun 17, 5:56 PM CDT	Tornado Warning	MPX	Faribault, Freeborn	49 min
Jun 17, 5:58 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	17 min
Jun 17, 6:00 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet, Watonwan	60 min
Jun 17, 6:03 PM CDT	Tornado Warning	MPX	Sherburne, Wright	42 min
Jun 17, 6:07 PM CDT	Tornado Warning	MPX	Benton, Mille Lacs	53 min
Jun 17, 6:09 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Renville	24 min
Jun 17, 6:16 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Nicollet	29 min
Jun 17, 6:28 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Waseca	62 min
Jun 17, 6:34 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Clay	26 min
Jun 17, 6:35 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti, Sherburne, Wright	55 min
Jun 17, 6:36 PM CDT	Tornado Warning	MPX	Blue Earth, Faribault, Waseca	39 min
Jun 17, 6:42 PM CDT	Tornado Warning	MPX	Blue Earth, Nicollet	33 min
Jun 17, 6:44 PM CDT	Tornado Warning	MPX	Freeborn, Steele	46 min
Jun 17, 6:49 PM CDT	Tornado Warning	MPX	Isanti, Kanabec, Mille Lacs, Sherburne	41 min
Jun 17, 6:51 PM CDT	Tornado Warning	DMX	Kossuth	11 min
Jun 17, 6:56 PM CDT	Tornado Warning	MPX	Sherburne	34 min
Jun 17, 7:00 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey	35 min
Jun 17, 7:09 PM CDT	Tornado Warning	DMX	Palo Alto	36 min
Jun 17, 7:10 PM CDT	Tornado Warning	MPX	Steele, Waseca	50 min
Jun 17, 7:13 PM CDT	Tornado Warning	MPX	Blue Earth, Steele, Waseca	47 min
Jun 17, 7:28 PM CDT	Tornado Warning	MPX	Freeborn, Steele	47 min
Jun 17, 7:42 PM CDT	Tornado Warning	DMX	Kossuth	33 min
Jun 17, 7:47 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Kossuth, Palo Alto, Pocahontas	58 min
Jun 17, 7:49 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Pocahontas, Sac	41 min
Jun 17, 7:52 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford	38 min
Jun 17, 7:52 PM CDT	Tornado Warning	MPX	Steele	23 min
Jun 17, 7:55 PM CDT	Flash Flood Warning	MPX	Freeborn, Steele, Waseca	6 hr
Jun 17, 8:02 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	43 min
Jun 17, 8:11 PM CDT	Tornado Warning	MPX	Steele	34 min
Jun 17, 8:13 PM CDT	Tornado Warning	MPX	Freeborn	32 min
Jun 17, 8:15 PM CDT	Tornado Warning	DMX	Hancock, Kossuth	30 min
Jun 17, 8:24 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	51 min
Jun 17, 8:30 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Humboldt, Kossuth, Webster, Wright	45 min
Jun 17, 8:34 PM CDT	Tornado Warning	MPX	Chisago	26 min
Jun 17, 8:35 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock, Winnebago, Worth	55 min
Jun 17, 8:53 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Carroll, Greene, Webster	52 min
Jun 17, 9:01 PM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford	44 min
Jun 17, 9:06 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Wright	54 min
Jun 17, 9:06 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Shelby	39 min
Jun 17, 9:30 PM CDT	Severe Thunderstorm Warning	DMX	Greene	45 min
Jun 17, 9:38 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Wright	37 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

Minneapolis, MN (KMPX), launched 12:00Z, 6.9 hours before the alert went out and 185 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: 2 J/kg
Mixed-layer CIN: -317 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 85 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 17, 12:03 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 11 more	87 min
Jun 17, 3:31 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 16 more	59 min
Jun 17, 4:32 PM CDT	Mesoscale Discussion	SPC	Fremont, Page	58 min
Jun 17, 4:46 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 19 more	59 min
Jun 17, 5:32 PM CDT	Severe Thunderstorm Watch	SPC	Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more	7 hr
Jun 17, 5:50 PM CDT	Tornado Watch	SPC	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	7 hr
Jun 17, 7:53 AM CDT	Mesoscale Discussion	SPC	Becker, Clay, Grant, Mahnomen, Norman, Otter Tail and 3 more	97 min
Jun 17, 12:04 PM CDT	Mesoscale Discussion	SPC	Clay, Kittson, Marshall, Norman, Pennington, Polk and 1 more	56 min
Jun 17, 12:21 PM CDT	Tornado Watch	SPC	Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 12 more	9 hr
Jun 17, 1:09 PM CDT	Mesoscale Discussion	SPC	Aitkin, Cass, Crow Wing, Itasca, Koochiching, Saint Louis	96 min
Jun 17, 2:18 PM CDT	Mesoscale Discussion	SPC	Becker, Clay, Mahnomen, Norman, Otter Tail, Polk and 2 more	57 min
Jun 17, 2:30 PM CDT	Tornado Watch	SPC	Aitkin, Carlton, Cass, Crow Wing, Itasca, Koochiching and 2 more	9 hr
Jun 17, 6:41 PM CDT	Mesoscale Discussion	SPC	Clearwater, Kittson, Mahnomen, Marshall, Pennington, Polk and 1 more	64 min
Jun 16, 10:23 PM CDT	Mesoscale Discussion	SPC	Cherry	67 min
Jun 16, 7:01 PM CDT	Mesoscale Discussion	SPC	Butte, Corson, Custer, Fall River, Harding, Lawrence and 5 more	59 min
Jun 16, 7:20 PM CDT	Tornado Watch	SPC	Corson, Dewey	8 hr
Jun 16, 9:17 PM CDT	Mesoscale Discussion	SPC	Corson, Dewey, Ziebach	58 min
Jun 16, 11:09 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Campbell, Edmunds, Faulk, Hand, Hughes and 7 more	5 hr
Jun 17, 1:40 AM CDT	Mesoscale Discussion	SPC	Butte, Custer, Haakon, Harding, Lawrence, Meade and 3 more	95 min
Jun 17, 2:05 AM CDT	Mesoscale Discussion	SPC	Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 5 more	55 min

Nearby

Tornado Watches in Minnesota, 2010 Tornado Watches in Iowa, 2010 Tornado Watches in Nebraska, 2010 Every tornado watch in 2010

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.