A minimum of two other people have died after a twister struck in El Reno, Oklahoma at about 22:30 native time (03:30 GMT) on Saturday.
It destroyed a resort and broken a cell house park.
The incident on Saturday follows every week of tornadoes, critical rain and flooding in states within the Southern Plains and Midwest areas.
The new spate of maximum climate has been blamed for a minimum of 9 deaths around the area, the Related Press studies.
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