Alert archive / Minnesota / Tornado Watches in 2010

Tornado Watch 412

June 25, 20104 states

The Storm Prediction Center issued this tornado watch at Jun 25, 2010, 3:35 PM CDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jun 25, 2010, 3:35 PM CDT (20:35 UTC)
Expired: Jun 26, 2010, 12:00 AM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 4 in
Strongest gust expected: 70 kt

All 79 counties

Cerro Gordo County, IA, Chickasaw County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Floyd County, IA, Hancock County, IA, Howard County, IA, Kossuth County, IA, Lyon County, IA, Mitchell County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Sioux County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Jackson 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, Mower County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Olmsted County, MN, Pipestone County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Swift County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Winona County, MN, Wright County, MN, Yellow Medicine County, MN, Brookings County, SD, Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Buffalo County, WI, Dunn County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 139 km from the middle of the area, began a volume at 20:36 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: 50%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 30%
Ten or more severe hail reports: 50%
One or more hailstones of 2 inches or more: 70%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 25, 3:35 PM CDT	Tornado Warning	MPX	Chippewa, Lac qui Parle, Renville, Yellow Medicine	55 min
Jun 25, 3:51 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	54 min
Jun 25, 4:05 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Stearns, Wright	55 min
Jun 25, 4:33 PM CDT	Tornado Warning	MPX	Chippewa, Kandiyohi	57 min
Jun 25, 4:41 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	49 min
Jun 25, 4:56 PM CDT	Tornado Warning	MPX	Chippewa, Renville	49 min
Jun 25, 5:00 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Hennepin, Isanti, Sherburne, Stearns and 1 more	60 min
Jun 25, 5:03 PM CDT	Tornado Warning	MPX	Brown, Nicollet, Redwood, Renville, Sibley, Yellow Medicine	27 min
Jun 25, 5:08 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey, Wright	67 min
Jun 25, 5:21 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville, Sibley	54 min
Jun 25, 5:31 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville, Stearns, Swift	59 min
Jun 25, 5:33 PM CDT	Tornado Warning	MPX	Brown, Nicollet, Redwood, Renville, Sibley	42 min
Jun 25, 5:37 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Redwood, Renville, Sibley, Yellow Medicine	53 min
Jun 25, 5:40 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	35 min
Jun 25, 5:51 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Dakota, Hennepin, Ramsey, Washington	54 min
Jun 25, 5:59 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Sherburne, Wright	42 min
Jun 25, 6:05 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet, Watonwan	55 min
Jun 25, 6:08 PM CDT	Tornado Warning	MPX	Blue Earth, Brown, Nicollet, Sibley	52 min
Jun 25, 6:09 PM CDT	Tornado Warning	FSD	Lyon	36 min
Jun 25, 6:12 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Wright	63 min
Jun 25, 6:24 PM CDT	Flash Flood Warning	MPX	Anoka, Hennepin, Ramsey, Washington	3 hr
Jun 25, 6:28 PM CDT	Tornado Warning	MPX	Blue Earth, Brown, Nicollet	47 min
Jun 25, 6:30 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Hennepin, Ramsey	60 min
Jun 25, 6:31 PM CDT	Severe Thunderstorm Warning	MPX	Pierce, Saint Croix	59 min
Jun 25, 6:34 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	56 min
Jun 25, 6:49 PM CDT	Tornado Warning	FSD	Cottonwood, Lyon, Murray	41 min
Jun 25, 6:51 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin	24 min
Jun 25, 6:52 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Nicollet	53 min
Jun 25, 6:54 PM CDT	Tornado Warning	MPX	Brown, Redwood	51 min
Jun 25, 7:09 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	36 min
Jun 25, 7:13 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Waseca	62 min
Jun 25, 7:17 PM CDT	Tornado Warning	MPX	Goodhue	43 min
Jun 25, 7:18 PM CDT	Severe Thunderstorm Warning	ARX	Wabasha	72 min
Jun 25, 7:23 PM CDT	Tornado Warning	FSD	Cottonwood, Murray	37 min
Jun 25, 7:30 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Watonwan	60 min
Jun 25, 7:33 PM CDT	Tornado Warning	MPX	Dakota, Goodhue	27 min
Jun 25, 7:37 PM CDT	Tornado Warning	MPX	Blue Earth, Martin, Watonwan	53 min
Jun 25, 7:42 PM CDT	Tornado Warning	MPX	Blue Earth, Faribault, Freeborn, Steele, Waseca	33 min
Jun 25, 7:56 PM CDT	Flash Flood Warning	FSD	Cottonwood, Jackson	3 hr
Jun 25, 8:03 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Jackson, Murray, Nobles	42 min
Jun 25, 8:11 PM CDT	Tornado Warning	MPX	Blue Earth, Faribault, Freeborn, Steele, Waseca	64 min
Jun 25, 8:24 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Hancock, Kossuth, Winnebago, Worth	66 min
Jun 25, 8:30 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	60 min
Jun 25, 8:39 PM CDT	Tornado Warning	DMX	Cerro Gordo, Worth	39 min
Jun 25, 9:01 PM CDT	Severe Thunderstorm Warning	ARX	Floyd, Mitchell	59 min
Jun 25, 9:11 PM CDT	Severe Thunderstorm Warning	DMX	Butler, Cerro Gordo, Franklin	49 min
Jun 25, 9:15 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson, Osceola	45 min
Jun 25, 9:26 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Hancock, Humboldt, Kossuth, Palo Alto, Winnebago and 1 more	49 min
Jun 25, 9:33 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	42 min
Jun 25, 9:38 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto	67 min
Jun 25, 9:43 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd, Howard, Mitchell	47 min
Jun 25, 9:53 PM CDT	Tornado Warning	FSD	Lyon, Osceola	37 min
Jun 25, 10:02 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson, O'Brien, Osceola	43 min
Jun 25, 10:09 PM CDT	Tornado Warning	FSD	O'Brien, Osceola	36 min
Jun 25, 10:29 PM CDT	Tornado Warning	FSD	O'Brien, Osceola	46 min
Jun 25, 10:37 PM CDT	Severe Thunderstorm Warning	DMX	Calhoun, Emmet, Humboldt, Kossuth, Palo Alto, Pocahontas and 2 more	53 min
Jun 25, 10:42 PM CDT	Tornado Warning	FSD	O'Brien, Sioux	48 min
Jun 25, 10:44 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Clay, O'Brien	46 min
Jun 25, 10:57 PM CDT	Flash Flood Warning	FSD	Clay, Dickinson, O'Brien, Osceola	3 hr
Jun 25, 11:14 PM CDT	Tornado Warning	FSD	O'Brien	46 min
Jun 25, 11:30 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Clay	45 min
Jun 25, 11:31 PM CDT	Flash Flood Warning	DMX	Emmet, Palo Alto	6 hr
Jun 25, 11:43 PM CDT	Tornado Warning	FSD	Cherokee, O'Brien, Plymouth, Sioux	47 min
Jun 25, 11:45 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Palo Alto, Pocahontas, Sac	60 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, 8.6 hours before the alert went out and 137 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: 38 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 1153 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 119 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 25, 2:44 PM CDT	Mesoscale Discussion	SPC	Lyon	2 hr
Jun 25, 5:32 PM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 13 more	118 min
Jun 25, 5:57 PM CDT	Mesoscale Discussion	SPC	Cerro Gordo, Chickasaw, Clay, Dickinson, Emmet, Floyd and 12 more	2 hr
Jun 25, 5:01 AM CDT	Mesoscale Discussion	SPC	Otter Tail, Wilkin	59 min
Jun 25, 3:14 PM CDT	Severe Thunderstorm Watch	SPC	Big Stone, Traverse	8 hr
Jun 25, 2:45 AM CDT	Mesoscale Discussion	SPC	Dewey, Perkins, Ziebach	90 min
Jun 25, 1:57 PM CDT	Mesoscale Discussion	SPC	Brown, Campbell, Corson, McPherson	2 hr

Nearby

Tornado Watches in Minnesota, 2010 Tornado Watches in Iowa, 2010 Tornado Watches in South Dakota, 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.