Lake Michigan, 2012

Marine Thunderstorm Wind in Lake Michigan, May 27, 2012

May 27, 2012 · NWS GRB · 1 event in 1 county or zone

Thunderstorms that moved across northeast Wisconsin and the waters of Green Bay produced strong winds at the Algoma City Marina.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS GRB wrote it up.

Thunderstorms that moved across northeast Wisconsin and the waters of Green Bay produced strong winds at the Algoma City Marina.

What forecasters said that day

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 May 27, 3:19 AM CST, 5 hours 35 minutes earlier.

Area forecast discussion, May 27, 3:19 AM CST, 5 hours 35 minutes before
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Hazardous weather outlook, May 27, 4:55 AM CST, 3 hours 59 minutes before
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In the hours before

Special weather statement, May 27, 6:25 AM CST, 2 hours 29 minutes before
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Local storm report, May 27, 6:53 AM CST, 2 hours 1 minute before
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Special weather statement, May 27, 6:59 AM CST, 1 hour 55 minutes before
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Special weather statement, May 27, 7:55 AM CST, 59 minutes before
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Special weather statement, May 27, 8:10 AM CST, 44 minutes before
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The radar

The Green Bay radar (KGRB), 56 km away, was scanning. The volume nearest the first event began at 14:54 UTC.

Open the radar archive at this moment

Event by event

1 marine thunderstorm wind. Local standard time, as filed.

Marine Thunderstorm Wind, Sturgeon Bay to Two Rivers Wi

When
May 27, 8:54 AM CST
Where
Sturgeon Bay to Two Rivers Wi forecast zone, Algoma City Marina Station (Agmw3)
Measured
35 kt (40 mph) measured gust
Reported by
Mesonet
Coordinates
44.620, -87.430

A wind gust of 35 knots was measured at the Algoma City Marina as thunderstorms moved through the area.

What these are

Marine Thunderstorm Wind
Thunderstorm winds of 34 knots or more over coastal or lake waters.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Lake Michigan in 2012Every state in 2012This day in weather history

Sources

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: 381967.