The National Weather Service Norman office has upgraded the May 31, 2013 El Reno, OK tornado to an EF-5 with max wind of 295mph, based on mobile Doppler Radar data. EF-5 is the top of the Enhanced Fujita Scale. Click the image for a larger perspective.
It reached a max width of 2.6 miles, making it the widest tornado on record. To put that in perspective, the major streets in Lubbock are a mile apart...Slide to Quaker, 34th to 50th, etc. At its peak width it went from 50th and Slide to just east of 50th and Elgin.
The tornado had a length of 16.2 miles from 6:03 p.m. to 6:43 p.m. CDT. There may be additional modifications to these numbers as new data become available.Click here
- for much more information on that day's tornadoes and flash flooding from the NWS.