A major winter storm slammed the southern US Tuesday, blanketing parts of the Gulf Coast with record-breaking snowfall in a region largely unaccustomed to extreme winter weather.

A rare frigid storm is charging through Texas and the northern Gulf Coast, blanketing New Orleans and Houston with snow, closing highways and grounding nearly all flights.

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

Online tracker FlightAware says nearly 2,000 flights within the U.S. or entering or leaving the country were canceled Tuesday with about 10,000 more flights delayed.

Pensacola awoke to subfreezing temperatures for the second day in a row as a “significant winter storm” began to roll into the area on Tuesday with the potential to cause exte

A rare frigid storm charged through Texas and the northern Gulf Coast on Tuesday, blanketing New Orleans and Houston with snow that closed highways, grounded nearly all flights and canceled school for more than a million students more used to hurricane dismissals than snow days.

A snowstorm warning was in effect for 31 million people - from southern Texas east through Georgia and north to the Carolinas and into Virginia - until Wednesday morning, the National Weather Service said.

A winter storm dumped snow across the Deep South Tuesday, leaving areas that rarely see this kind of weather with dangerous travel conditions, widespread airport closures and snow days. Here’s what it looked like from Texas across Louisiana,