Alert archive / Wisconsin / Mesoscale Discussions in 2026

Mesoscale Discussion 331

April 2, 202621 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2026, 7:27 AM CDT for 21 counties in Wisconsin. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Apr 2, 2026, 7:27 AM CDT (12:27 UTC)
Expired: Apr 2, 2026, 10:30 AM CDT
In force: 3 hr
Issued by: the Storm Prediction Center
Concerning: Freezing rain

All 21 counties

Brown County, WI, Calumet County, WI, Florence County, WI, Fond du Lac County, WI, Forest County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 72 km from the middle of the area, began a volume at 12:28 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 text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 2, 3:55 AM CDT	Mesoscale Discussion	SPC	Barron, Chippewa, Clark, Dunn, Eau Claire, Jackson and 18 more	3 hr
Apr 2, 12:34 PM CDT	Mesoscale Discussion	SPC	Florence, Marinette	4 hr
Apr 2, 1:43 PM CDT	Tornado Watch	SPC	Columbia, Dane, Dodge, Fond du Lac, Grant, Green and 12 more	8 hr

Nearby

Mesoscale Discussions in Wisconsin, 2026 Every mesoscale discussion in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.