Millions of people across the northern Gulf Coast braced Tuesday for a rare winter storm that’s expected to scatter heavy snow, sleet and freezing rain around the Deep South as a blast of Arctic air plunges much of the eastern U.S. into a deep freeze.

New Orleans' famous Bourbon Street was covered in snow during a rare winter storm that also impacted Southern states such as Florida and Texas.

Millions of Americans face an artic blast, including the first-ever blizzard warning for parts of the Gulf Coast.