Union City, OK May 24, 1973

Mar 31, 2016
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Oklahoma City, OK
This tornado was historic because it was the first one that was filmed from beginning to end. It was a milestone for the NSSL. It showed the 4 stages from development to end and this chase was planned by storm chasers for this purpose. There are several archived videos and discussion about it on YouTube and other sites.
Check it out !!!