Alert archive / Wisconsin / Mesoscale Discussions in 2016
Mesoscale Discussion 1725
The Storm Prediction Center issued this mesoscale discussion at Sep 21, 2016, 1:33 AM CDT for Allamakee County, Howard County, Winneshiek County, Iowa; 17 counties in Minnesota; 24 counties in Wisconsin. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Sep 21, 2016, 1:33 AM CDT (06:33 UTC)
- Expired
- Sep 21, 2016, 3:30 AM CDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 44 counties
Allamakee County, IA, Howard County, IA, Winneshiek County, IA, Blue Earth County, MN, Dakota County, MN, Dodge County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Houston County, MN, Le Sueur County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Rice County, MN, Scott County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Columbia County, WI, Crawford County, WI, Dane County, WI, Dodge County, WI, Dunn County, WI, Eau Claire County, WI, Green Lake County, WI, Iowa County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Marquette County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Richland County, WI, Saint Croix County, WI, Sauk County, WI, Trempealeau County, WI, Vernon County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 46 km from the middle of the area, began a volume at 06:34 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 6.6 hours before the alert went out and 179 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1882 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 662 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 8:01 PM CDT | Mesoscale Discussion | SPC | Allamakee, Howard, Mitchell, Winneshiek, Worth | 119 min |
| Sep 20, 9:34 PM CDT | Severe Thunderstorm Watch | SPC | Allamakee, Cerro Gordo, Chickasaw, Clayton, Fayette, Floyd and 6 more | 5 hr |
| Sep 20, 11:26 PM CDT | Mesoscale Discussion | SPC | Allamakee, Clayton, Howard, Winneshiek | 2 hr |
| Sep 21, 2:00 PM CDT | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 56 more | 2 hr |
| Sep 21, 6:01 PM CDT | Mesoscale Discussion | SPC | Allamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 10 more | 2 hr |
| Sep 21, 2:31 PM CDT | Mesoscale Discussion | SPC | Anoka, Carver, Chippewa, Chisago, Dakota, Goodhue and 15 more | 89 min |
Nearby
Mesoscale Discussions in Wisconsin, 2016Mesoscale Discussions in Minnesota, 2016Mesoscale Discussions in Iowa, 2016Every mesoscale discussion in 2016
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.