This just in from the National Weather Service: The tornado that struck Oklahoma Friday night (and killed 18 people) was the widest ever recorded or observed by the NWS.
The twister that hit into El Reno, OK, was 2.6 miles wide–that is immense. It rated an EF5 (the same as the EF5 that hit Moore Oklahoma only days before killing 24, and many children) . .
That means that the deadly Friday night tornado was the widest ever recorded..
And this from the NWS to illustrate it: