NBC News has put together a time-lapse video of the EF-4 tornado that tore through the southern suburbs of Oklahoma City, Okla.
As we told you in the live blog, the National Weather Service says it was at least an EF-4 tornado with winds in excess of 166 mph. The tornado stayed on the ground for 40 minutes and traveled 20 miles.
Copyright NPR. View this article on npr.org.