The tornado that struck El Reno, Oklahoma, on May 31 was declared to be the widest in history, at 2.6 miles, and its damage rating was raised to EF5, the most severe, the National Weather Service announced Tuesday.
Fires, floods, storms: Extremes across US
Severe weather striking nation on 4 fronts
POSTED: 12:51 PM CDT Jun 04, 2013 UPDATED: 05:21 PM CDT Jun 05, 2013
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