Deadliest tornadoes in U.S. history
Published On: May 31 2011 01:09:32 PM PDT
Updated On: May 21 2013 07:21:20 AM PDT
A tornado that ripped across central Oklahoma on Monday killed at least 24 people. Here's a look at the 10 deadliest tornadoes in U.S. history, according to the NOAA.
