Recent Oklahoma Tornadoes Upgraded to EF-5

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

The National Weather Service upgraded the tornado that ripped through El Reno and Union City Friday (May 31) tornado to an EF-5, KFOR reports.

The NWS said Tuesday (June 4) that tornado had a width of 2.6 miles wide, making it the widest tornado ever documented, according to a report from KFOR.

EF-5 is the highest possible rating for tornadoes on the Enhanced Fujita scale.

The upgrade was based on information from a Doppler On Wheels (DOW) that measured low level winds of 296 miles per hour.

This tornado is double the width of the May 20 tornado in Moore, Oklahoma.

The F-4 Wilber-Hallam, Nebraska, tornado May 22, 2004 was the previous record holder for the widest tornado on record at 2.5 miles wide.

At least 18 people are confirmed dead, many are missing after Friday’s storms.

Notice: you are using an outdated browser. Microsoft does not recommend using IE as your default browser. Some features on this website, like video and images, might not work properly. For the best experience, please upgrade your browser.