Marine Thunderstorm Wind · Lake Superior

Marine Thunderstorm Wind September 12, 2011 · Manitou Island To Point Isabelle Mi, Lake Superior

46 mph

Measured gust (40 kt)

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

What the National Weather Service wrote

Wind gusts of 45 mph or greater were measured by the Copper Harbor ASOS.

A powerful cold front produced strong to severe thunderstorms over Lake Superior on the evening of the 12th.

Began near Bete Grise Light (47.4760, -87.9023).

Source: NOAA Storm Events Database, event 347154. Narratives are written by the National Weather Service forecast office that issued the report.

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