This Day in Southeast Michigan Weather History ...
On August 20, 2011, severe thunderstorms
were concentrated mostly along the M-59 corridor, causing the Dream Cruise along Woodward Avenue to be cut short, as minor damage was reported. The other notable item from this event was a weak tornado reported near Chesaning in Saginaw County.
Also on August 20, 1996, 0.29 inches of rain fell in Detroit. This would account for over half of the 0.43 inches that would ultimately fall that month. August 1996 ended up being the driest August of the 20th century for Detroit.