Heavy downpours and hail covered swaths of Middle Tennessee as strong storms blew through May 20, triggering severe thunderstorm and tornado warnings for multiple counties. At about 4:30 p.m., street cameras in Franklin showed heavy rainfall and large hail falling along Downs Boulevard and Highway 96.

Severe thunderstorms and tornado watches are in place on Tuesday, with 30 million Americans on alert for strong winds, large hail and flash flooding.