The latest closure means that nearly three-quarters of Louisiana’s portion of the coast-to-coast highway is shut. A rare winter storm brought record snowfall to the state on Tuesday.

This was the bridge over Lake Arthur on Louisiana Highway 14 on Tuesday afternoon. Louisiana Department of Transportation and Development photo A record-setting snowstorm along the Gulf Coast has Louisiana officials worried people unaccustomed to the cold might overreact in ways that could get them killed.

A winter storm prompted a National Weather Service office in Louisiana to issue a first-ever blizzard warning. The storm is causing dangerous conditions from Texas to North Carolina.

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,

A winter storm was on a track to sweep through Texas and Louisiana, across the Gulf Coast and deep into Florida, significant snow and ice in tow.