A powerful and sprawling storm is moving across the country and spawning severe thunderstorms with hurricane-force wind gusts and tornadoes that are knocking out power and causing damage Tuesday.

Powerful storms that killed two people in Mississippi and ripped roofs from buildings in a small Oklahoma town are charging across the nation, threatening more communities in the central to eastern Un

The winter storm could impact up to 170 million people across more than 20 states from the southern Plains to the Midwest and East, AccuWeather said.