Marine Thunderstorm Wind · Lake Michigan

Marine Thunderstorm Wind July 11, 2011 · Calumet Harbor Il To Gary in, Lake Michigan

46 mph

Measured gust (40 kt)

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

The wider storm

On the morning of July 11th, a derecho swept across southern Lake Michigan.

Began near Calumet Harbor (41.7300, -87.5400).

Source: NOAA Storm Events Database, event 338246. 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.