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

The snowstorm currently lashing the Gulf Coast is being described as a once in a generation weather event, the National Weather Service said Monday.

On Tuesday, a snowstorm swept through unexpected parts of the southern United States, including Texas, Louisiana, and Florida, shattering snowfall records across the south and delivering an unprecedented and disruptive winter experience to millions of residents.

A historic and deadly winter storm that stretches over 1,500 miles blanketed the southern U.S. on Tuesday with historic snow totals, including the first-ever Blizzard Warning for the Gulf Coast.

The Gulf Coast is digging out from a once-in-a-lifetime snowstorm that struck from Texas to Florida, closing airports and crippling roadways.

Roughly 40 million people from Texas to the Carolinas are under winter weather alerts as a rare winter storm amid bone-chilling temperatures brings potentially historic snowfall to cities unused to harsh,