It’s been over 11 years since the last EF5 tornado struck the U.S.,a surprising drought considering the frequency of violent tornadoes in previous decades. The EF5, the highest rating on the Enhanced ...

Opening Shot: News footage of the massive EF5 tornado that touched down in Joplin, Missouri on May 22, 2011. The Gist: The first episode of Survival Mode is about the EF5 tornado in Joplin that ...