Marine Thunderstorm Wind — Eagle River To Manitou Island Mi, Lake Superior
2012-09-04 · near Copper Harbor, Eagle River To Manitou Island Mi, Lake Superior
36 MG
Magnitude
Event narrative
Measured wind gust at the Copper Harbor ASOS.
Wider weather episode
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.
View location on OpenStreetMap → (47.4700, -87.9000)
Source: NOAA Storm Events Database, event_id 409908. Narrative written by the NWS forecast office that issued the report.