The widest tornado ever recorded hits El Reno, Oklahoma.
An EF4 multiple-vortex tornado destroyed areas of two major Alabama cities: Tuscaloosa and Birmingham.
The EF2 tornado ripped through Brooklyn, New York, for 18 minutes, causing nine injuries and $20 million in damages.
An F5 tornado hit Oklahoma City, where the highest global wind speeds were recorded.
An F5 max rating tornado smashed through Plainfield, Illinois, killing 29 people, injuring 353, and causing $165 million in damages.
The deadliest tornado in history kills about 1300 people.
The US recorded its first tornado.
