
People in Kansas and Oklahoma found themselves taking shelter amid wailing warning sirens Sunday as tornadoes were confirmed to have touched down as part of an extreme weather system plowing through the nation’s midsection.
The system, which stretched from North Texas to Minnesota, also heaved hail — dime to softball sized — as well as heavy rainfall.

http://usnews.nbcnews.com/_news/2013/05/19/18355926-tornadoes-tear-through-kansas-oklahoma?lite