Marine Thunderstorm Winds in Lake St. Clair, May 16, 2025

Name: Marine Thunderstorm Winds in Lake St. Clair, May 16, 2025
Start: 2025-05-16T12:35
End: 2025-05-16T12:49
Location: Lake St. Clair

May 16, 2025 · NWS DTX · 2 events in 1 county or zone

Thunderstorms moving through the Detroit River produced wind gusts in excess of 35 knots.

Where it happened

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

Tornadoes
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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 2

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 DTX wrote it up.

Thunderstorms moving through the Detroit River produced wind gusts in excess of 35 knots.

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 Detroit, MI wrote its last area forecast discussion before the first event at May 16, 4:55 AM EST, 7 hours 40 minutes earlier.

Area forecast discussion, May 16, 4:55 AM EST, 7 hours 40 minutes before

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Hazardous weather outlook, May 16, 3:21 AM EST, 9 hours 14 minutes before

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In the hours before

Local storm report, May 16, 8:39 AM EST, 3 hours 56 minutes before

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Local storm report, May 16, 9:44 AM EST, 2 hours 51 minutes before

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Local storm report, May 16, 10:07 AM EST, 2 hours 28 minutes before

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Local storm report, May 16, 10:40 AM EST, 1 hour 55 minutes before

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Local storm report, May 16, 10:54 AM EST, 1 hour 41 minutes before

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Local storm report, May 16, 11:30 AM EST, 1 hour 5 minutes before

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The radar

The Detroit radar (KDTX), 71 km away, was scanning. The volume nearest the first event began at 17:36 UTC.

Open the radar archive at this moment

Event by event

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

Marine Thunderstorm Wind, Detroit River

When: May 16, 12:35 PM EST
Where: Detroit River forecast zone, 5.55 mi S of Grosse Ile
Measured: 37 kt (43 mph) measured gust
Reported by: ASOS
Coordinates: 42.100, -83.160

Marine Thunderstorm Wind, Detroit River

When: May 16, 12:49 PM EST
Where: Detroit River forecast zone, 4.31 mi ENE of Belle Isle
Measured: 36 kt (41 mph) measured gust
Reported by: C-MAN Station
Coordinates: 42.360, -82.910

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

Every storm in Lake St. Clair in 2025 Every state in 2025 This 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: 1259780, 1259781.