More than a dozen people were injured on Monday when tornadoes tore through parts of Texas and Oklahoma, damaging a school, homes and businesses.
The same storm system was poised to move into Louisiana and Mississippi on Tuesday, carrying the risk of dangerous tornadoes and powerful winds.
In Texas on Monday, several tornadoes were reported along the Interstate-35 corridor, particularly in the Austin suburbs of Round Rock and Elgin and close to Dallas-Fort Worth. Unconfirmed tornadoes caused damage in the Lake Texoma area of northern Texas and southern Oklahoma.