A tightening pressure gradient between a deepening low pressure system over the Midwest and Hudson Bay high pressure to the north generated a prolonged period of strong northeast winds to 40 mph or more across the Bay of Green Bay. Pounding waves into the shores of southern Menominee County caused extensive lakeshore flooding from the 18th into the morning of the 19th.
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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 MQT wrote it up.
A tightening pressure gradient between a deepening low pressure system over the Midwest and Hudson Bay high pressure to the north generated a prolonged period of strong northeast winds to 40 mph or more across the Bay of Green Bay. Pounding waves into the shores of southern Menominee County caused extensive lakeshore flooding from the 18th into the morning of the 19th.
The national radar mosaic for the moment the first event began.
1 lakeshore flood. Local standard time, as filed.
The Menominee County Emergency Manager reported multiple homes flooded along Highway M-35 around and north of Menominee. The Menominee County Sheriff's Department also reported road closures near the lighthouse in Menominee.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2020Every state in 2020This day in weather historyWarnings in Michigan, May 2020
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: 882306.