A low pressure system tracking through the Ohio Valley brought a surface trough through northeast Wisconsin during the evening hours of Thursday (2/24). As the trough tracked to the east, low level winds became favorable for lake effect snow to develop across the Lake Michigan lakeshore during the late evening on Thursday (2/24) and early morning hours of Friday (2/25).
Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GRB wrote it up.
A low pressure system tracking through the Ohio Valley brought a surface trough through northeast Wisconsin during the evening hours of Thursday (2/24). As the trough tracked to the east, low level winds became favorable for lake effect snow to develop across the Lake Michigan lakeshore during the late evening on Thursday (2/24) and early morning hours of Friday (2/25). Snowfall amounts were generally 6 to 10 inches across the lakeshore.
Some of the highest snowfall totals included 10.0 inches in Casco (Kewaunee Co.) as well as Point Beach State Forest (Manitowoc Co.), 9.5 inches in Algoma (Kewaunee Co.), 8.0 inches in Mishicot (Manitowoc Co.), and 7 inches near Ephraim (Door Co.).
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Green Bay, WI wrote its last area forecast discussion before the first event at Feb 24, 5:20 PM CST, 4 hours 40 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 heavy snow. Local standard time, as filed.
The highest snowfall total across Vilas County included 7.0 inches near Ephraim.
The highest snowfall totals across Kewaunee County included 10.0 inches in Casco, 9.5 inches in Algoma, and 6.3 inches near Kewaunee.
The highest snowfall totals across Manitowoc County included 10.0 inches in Point Beach State Forest and 8.0 inches in Mishicot.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2022Every state in 2022This day in weather historyWarnings in Wisconsin, February 2022
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1000652, 1000653, 1000654.