Lake Michigan, 2004

Marine Thunderstorm Winds in Lake Michigan, August 3, 2004

August 3, 2004 · NWS GRR · 2 events in 2 counties and zones

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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 GRR wrote it up.

A wind gust to 55 m.p.h. was estimated near South Haven and a measured wind gust to 53 m.p.h. was recorded near New Buffalo.

Event by event

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

Marine Thunderstorm Wind, Lm New Buffalo to Holland Mi 5nm Offshore to Mid Line of Lake

When
August 3, 11:00 PM EST
Where
Lm New Buffalo to Holland Mi 5nm Offshore to Mid Line of Lake marine zone, South Haven Harbor
Measured
47 kt (54 mph) estimated gust
Reported by
AWOS,ASOS,MESONET,ETC

Marine Thunderstorm Wind, New Buffalo to St Joseph Mi

When
August 3, 11:20 PM EST
Where
New Buffalo to St Joseph Mi marine zone, New Buffalo Harbor
Measured
53 kt (61 mph) measured gust
Reported by
AWOS,ASOS,MESONET,ETC

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 2004Every state in 2004This 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: 5419619, 5419620.