Lake Superior, 2010

Marine Thunderstorm Wind in Lake Superior, May 5, 2010

May 5, 2010 · NWS MQT · 1 event in 1 county or zone

A secondary cold front triggered a stronger thunderstorm near Munising on the afternoon of the 5th.

Where it happened

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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 MQT wrote it up.

A secondary cold front triggered a stronger thunderstorm near Munising on the afternoon of the 5th.

The radar

The Marquette radar (KMQT), 71 km away, was scanning. The volume nearest the first event began at 20:42 UTC.

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Event by event

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

Marine Thunderstorm Wind, Marquette to Munising Mi

When
May 5, 3:42 PM EST to 3:44 PM EST
Where
Marquette to Munising Mi forecast zone, 2.52 mi NE of Munising
Measured
35 kt (40 mph) measured gust
Reported by
ASOS
Coordinates
46.450, -86.630

The Munising ASOS measured a marine thunderstorm wind gust to 35 knots.

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 Superior in 2010Every state in 2010This 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: 234298.