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.

From Texas through the Deep South, down into Florida and to the Outer Banks of North Carolina, snow and sleet made for accumulating ice in major cities such as New Orleans, Atlanta, Jacksonville, Florida.

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,