Something unsettling about this time is May 20-25 is known as "the week of the F5" for traditional tornado ally. Of the 9 F5s to hit the US since 2000, 4 of them happened between May 20-25. The other 4 all hit Dixie Ally on April 27, 2011, and then Greensburg on May, 4, 2007.
May 25, 2008...