Alert archive / Wisconsin / Tornado Watches in 2010
Tornado Watch 338
The Storm Prediction Center issued this tornado watch at Jun 17, 2010, 5:50 PM CDT for 8 counties in Iowa; 7 counties in Minnesota; 30 counties in Wisconsin. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 17, 2010, 5:50 PM CDT (22:50 UTC)
- Expired
- Jun 18, 2010, 12:39 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 45 counties
Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Ashland County, WI, Barron County, WI, Bayfield County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Clark County, WI, Crawford County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Grant County, WI, Iron County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Price County, WI, Richland County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Washburn County, WI
The radar
The Minneapolis radar (KMPX), 118 km from the middle of the area, began a volume at 22:52 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
- 30%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 30%
- 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
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 6:37 PM CDT | Severe Thunderstorm Warning | ARX | Dodge, Mower | 53 min |
| Jun 17, 7:28 PM CDT | Tornado Warning | ARX | Dodge | 62 min |
| Jun 17, 8:23 PM CDT | Severe Thunderstorm Warning | DLH | Burnett | 37 min |
| Jun 17, 8:28 PM CDT | Tornado Warning | ARX | Dodge | 35 min |
| Jun 17, 8:36 PM CDT | Severe Thunderstorm Warning | ARX | Dodge, Mower, Olmsted | 54 min |
| Jun 17, 8:37 PM CDT | Tornado Warning | DLH | Burnett | 23 min |
| Jun 17, 8:58 PM CDT | Tornado Warning | DLH | Burnett | 32 min |
| Jun 17, 9:01 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Olmsted, Wabasha, Winona | 59 min |
| Jun 17, 9:09 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 66 min |
| Jun 17, 9:11 PM CDT | Flash Flood Warning | ARX | Dodge | 3 hr |
| Jun 17, 9:30 PM CDT | Tornado Warning | DLH | Burnett, Washburn | 30 min |
| Jun 17, 9:36 PM CDT | Severe Thunderstorm Warning | ARX | Houston, Winona | 84 min |
| Jun 17, 9:55 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek | 65 min |
| Jun 17, 9:55 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore | 35 min |
| Jun 17, 10:00 PM CDT | Tornado Warning | DLH | Burnett, Douglas, Washburn | 22 min |
| Jun 17, 10:12 PM CDT | Severe Thunderstorm Warning | ARX | Jackson, La Crosse, Monroe, Trempealeau | 63 min |
| Jun 17, 10:55 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee | 65 min |
| Jun 17, 11:21 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant, Richland | 54 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, 10.8 hours before the alert went out and 120 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.
- 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
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, 1:54 PM CDT | Tornado Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cass, Cerro Gordo and 28 more | 8 hr |
| 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, 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 |
Nearby
Tornado Watches in Wisconsin, 2010Tornado Watches in Iowa, 2010Tornado Watches in Minnesota, 2010Every 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.