Monster EF5 "Interstate 44" Oklahoma Tornado of May 3, 1999

This is video of the deadly EF5 that tracked up Interstate High 44 from southwest Oklahoma to the Oklahoma City metro on May 3, 1999. Shot by veteran storm chaser and National Severe Storms Laboratory researcher Chuck Doswell. Content is copyrighted and may not be duplicated without license. Licensing available from Prairie Pictures’ StormStock, https://www.StormStock.com.