Home / Lake Superior / Eagle River To Manitou Island Mi

Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind September 4, 2012 · Eagle River To Manitou Island Mi, Lake Superior

41 mph

Measured gust (36 kt)

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

What the National Weather Service wrote

Measured wind gust at the Copper Harbor ASOS.

The wider storm

Afternoon heating of an unstable air mass produced strong to severe thunderstorms over portions of Lake Superior from the evening of the 4th through the morning of the 5th.

Began near Copper Harbor (47.4700, -87.9000).

Source: NOAA Storm Events Database, event 409908. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.