THE UNPREDICTABLE STRIKES MISSOURI TOWN

"The tornado was a half-mile wide when it hit Joplin.
It grew to a width of three-quarters of a mile wide
before dissipating to a width of a half-mile."

http://www.npr.org/blogs/thetwo-way/2011/05/23/136572655/video-horrifying-scramble-to-safety-as-tornado-crushed-joplin-store

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