Marine Thunderstorm Wind · Lake Michigan

Marine Thunderstorm Wind August 4, 2008 · Northerly Island To Calumet Harbor Il, Lake Michigan

45 mph

Measured gust (39 kt)

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

The wider storm

A powerful line of thunderstorms moved across southern Lake Michigan during the evening hours of August 4th.

Began near Calumet Harbor (41.7300, -87.5400).

Source: NOAA Storm Events Database, event 131713. 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.