Lake Superior, 2022

Marine Thunderstorm Wind in Lake Superior, August 29, 2022

August 29, 2022 · NWS DLH · 1 event in 1 county or zone

An area of low pressure across Manitoba lifted a warm front across northwestern Wisconsin during the afternoon hours of the 28th. A few thunderstorms developed ahead of the following cold front later that evening.

Where it happened

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  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
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  • Marine and coastal
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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 DLH wrote it up.

An area of low pressure across Manitoba lifted a warm front across northwestern Wisconsin during the afternoon hours of the 28th. A few thunderstorms developed ahead of the following cold front later that evening. While most of the storms moving across western Lake Superior did remain below severe limits, one produced a wind gust of 40 knots at Devils Island as it passed.

The radar

The Duluth radar (KDLH), 116 km away, was scanning. The volume nearest the first event began at 06:37 UTC.

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Event by event

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

Marine Thunderstorm Wind, Sand Is to Bayfield Wi

When
August 29, 12:35 AM CST to 12:36 AM CST
Where
Sand Is to Bayfield Wi forecast zone, Devils Island Lighthouse Station Disw3
Measured
35 kt (40 mph) measured gust
Reported by
C-MAN Station
Coordinates
47.080, -90.730

A peak gust of 40 mph was measured at the DISW3 Devils Island C-MAN station.

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 2022Every state in 2022This 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: 1052446.