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Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind July 4, 2012 · Black River To Ontonagon Mi, Lake Superior

40 mph

Measured gust (35 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

The observer east of Silver City measured occasional 40 mph wind gusts along the Lake Superior shore.

The wider storm

A disturbance moving through a warm and unstable air mass produced strong thunderstorms over Lake Superior from the evening of the 4th into the morning of the 5th.

Began near Gull Point (46.8385, -89.4891).

Source: NOAA Storm Events Database, event 404314. Narratives are written by the National Weather Service forecast office that issued the report.

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