Alert archive / Minnesota / Mesoscale Discussions in 2020
Mesoscale Discussion 112
The Storm Prediction Center issued this mesoscale discussion at Feb 9, 2020, 6:39 AM CST for 25 counties in Minnesota; 25 counties in Wisconsin. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 9, 2020, 6:39 AM CST (12:39 UTC)
- Expired
- Feb 9, 2020, 10:45 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 50 counties
Anoka County, MN, Brown County, MN, Carver County, MN, Dakota County, MN, Dodge County, MN, Fillmore County, MN, Goodhue County, MN, Hennepin County, MN, Houston County, MN, Le Sueur County, MN, McLeod County, MN, Nicollet County, MN, Olmsted County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Winona County, MN, Wright County, MN, Adams County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Columbia County, WI, Crawford County, WI, Dane County, WI, Dunn County, WI, Eau Claire 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, Portage County, WI, Richland County, WI, Saint Croix County, WI, Sauk County, WI, Trempealeau County, WI, Vernon County, WI, Waushara County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 68 km from the middle of the area, began a volume at 12:41 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 0.7 hours before the alert went out and 313 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
- 1820 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Feb 9, 1:16 AM CST | Mesoscale Discussion | SPC | Blue Earth, Brown, Cottonwood, Faribault, Freeborn, Jackson and 17 more | 5 hr |
| Feb 9, 10:56 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Calumet, Columbia, Dane, Dodge and 23 more | 5 hr |
Nearby
Mesoscale Discussions in Minnesota, 2020Mesoscale Discussions in Wisconsin, 2020Every mesoscale discussion in 2020
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.