Alert archive / Wisconsin / Mesoscale Discussions in 2010
Mesoscale Discussion 993
The Storm Prediction Center issued this mesoscale discussion at Jun 17, 2010, 4:46 PM CDT for 25 counties in Iowa; 6 counties in Minnesota; 28 counties in Wisconsin. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- Jun 17, 2010, 4:46 PM CDT (21:46 UTC)
- Expired
- Jun 17, 2010, 5:45 PM CDT
- In force
- 59 min
- Issued by
- the Storm Prediction Center
All 59 counties
Allamakee County, IA, Benton County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Chickasaw County, IA, Clayton County, IA, Delaware County, IA, Dubuque County, IA, Fayette County, IA, Floyd County, IA, Grundy County, IA, Hardin County, IA, Howard County, IA, Iowa County, IA, Jasper County, IA, Jones County, IA, Linn County, IA, Marshall County, IA, Mitchell County, IA, Polk County, IA, Poweshiek County, IA, Tama County, IA, Winneshiek County, IA, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Ashland County, WI, Barron County, WI, Bayfield County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Crawford County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Grant County, WI, Iowa County, WI, Iron County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Price County, WI, Richland County, WI, Rusk County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Washburn County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 54 km from the middle of the area, began a volume at 21:45 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.8 hours before the alert went out and 174 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
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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, 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 |
Nearby
Mesoscale Discussions in Wisconsin, 2010Mesoscale Discussions in Iowa, 2010Mesoscale Discussions in Minnesota, 2010Every mesoscale discussion 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.