Relentless thunderstorms continued to drench hard-hit parts of the central U.S., threatening "catastrophic" flooding.

More than a dozen twisters ripped across the US Wednesday, including a tornado in Owasso, Oklahoma, that damaged buildings, utility poles, and trees.

Florida's Panhandle and portions of North Florida could see some severe thunderstorms Sunday, April 6. From the Gulf Coast and the Interstate 10 corridor on northward to western North Carolina and South Carolina, thunderstorms could bring isolated tornadoes, heavy downpours and hail, according to AccuWeather.

Several states in the central U.S. were hit hard overnight by a deadly storm that reportedly caused flash flooding and even destructive tornadoes.

Deadly storms and flooding rains left a path of destruction across 14 states in the US South and Midwest, knocking out power to more than 400,000 customers.

Intense thunderstorms are expected to unleash rounds of heavy rain that could bring dangerous flooding to tens of millions of people in the central and eastern US this week.

A massive storm hitting the central U.S. on Wednesday could spin up damaging tornadoes and dump heavy rain from northern Texas to the Great Lakes.

Tornadoes on Wednesday struck the central United States, including damaging property in Missouri, Arkansas, Kentucky, Indiana Oklahoma, with torrential rain spurring flash flooding.

Tornadoes ripped across a wide swath of central and southern United States on Wednesday, destroying homes and businesses and bringing down power lines and trees.