Around 40 million people in the U.S. are under a winter storm warning from an unusual blast of severe winter weather.

Residents across parts of the Gulf Coast and South are bracing for a rare winter storm expected to drop heavy snow and create treacherous conditions, including freezing rain and sleet.

Snow and sleet started falling in Texas as officials begin to close schools and airports. Snow and ice could bring major travel disruptions and power outages from Texas to Florida.

More than 30 million people across the South are under winter weather advisories as they brace for Winter Storm Enzo to bring a mix of snow, ice and freezing rain to states and cities that rarely have to deal with these dangerous weather conditions.