The Oklahoma medical examiner's office said Monday that at least 51 people have been killed by the severe weather ravaging communities in that state. The two-mile wide twister that swept through Moore, Okla., was classified EF-4 by the National Weather Service. It had reached winds up to 200mph.
Here are several videos that capture the magnitude of the tornadoes sweeping through the Great Plains:
Oklahoma resident and Twitter user David Massey also posted dramatic Vine videos of residents dealing with the destruction: