This is an archived article and the information in the article may be outdated.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 tornado that ripped through Moore, Okla., killing 24 people on Monday was rated an EF-5, the highest on the Enhanced Fujita scale. EF-5 tornadoes are incredibly rare, but are often times deadly. FOX 4’s Michelle Bogowith explains how weather officials determine the rating of a tornado in the video below.
