Reports say that the tornado has killed at least 91 people, 9 of them children. At least 145 people have been injured. These numbers remain in flux as more is learned about the situation.
SEE ALSO: Massive Tornado Strikes Near Oklahoma City
The photos below show some of the sobering damage. Eyewitnesses also took videos of the tornado, many of which have gone viral over the past 12 hours.
There are a number of ways to help, including texting a monetary contribution to Red Cross or donating to Salvation Army. A Facebook Page has also been created to help victims get their belongings back.