A historic, dangerous and deadly winter storm stretching over 1,500 miles is blanketing the southern U.S. with heavy snow, including areas of the Texas and Louisiana Gulf coasts under their first-ever Blizzard Warnings.

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

A record-breaking and rare winter storm hit the southern US Wednesday — dumping snow on New Orleans for the first time in15 years, and triggering the Gulf Coast’s first ever blizzard warning. The historic snowfall — which slammed areas from Florida to Texas starting Tuesday — snarled travel and brought daily life to a halt in regions unprepared for the freak weather event.

A rare winter storm churned across the U.S. Gulf Coast on Tuesday, breaking snowfall records more than a century old in a southern region where flurries are unusual, as much of the United States remained in a dangerous deep freeze.

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 accustomed to hurricane dismissals than snow days.

STORY: A once in a century winter storm is churning its way across the U.S. Gulf Coast, where snow flurries are rare.The National Weather Service said 31 million people were under a snowstorm warning on Tuesday - from southern Texas east through Georgia and north to the Carolinas and into Virginia.

Thousands of miles of coastline between Texas and Florida were buffeted by powerful snowstorms over the past few days, with many locations across the Gulf Coast seeing record-breaking snowfall. Some areas in Louisiana and Alabama saw over 11 inches of snow,