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.

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

By noon, the National Weather Service had reported about 4 inches of snow in New Orleans. The storm prompted the first ever blizzard warnings for several coastal counties near the Texas-Louisiana border, and snow plows were at the ready in the Florida Panhandle, according to the Associated Press.

Louisiana isn’t known for extreme cold weather—but that changed Tuesday, when the National Weather Service issued its first-ever blizzard warning for much of the state. The potentially record-breaking storm (named Enzo by the Weather Channel) brought snow,

The rare winter storm that is hitting the southern portion of the United States became historic Tuesday morning when the Lake Charles National Weather Service office issued its first-ever blizzard warning.