Friday’s Okla. tornado determined to be the widest ever recorded

Posted at 1:03 PM, Jun 04, 2013

(CNN) — The National Weather Service has increased the damage rating of the tornado that struck El Reno, Oklahoma, on May 31 to EF-5. The weather service has also determined that the tornado was 2.6 miles wide, making it the widest U.S. tornado on record.