Mardi Gras celebrations in New Orleans could be cancelled as severe storms rumble through the South, bringing strong winds and the threat of tornadoes on Tuesday.

The threat of severe weather and winds has already led to several changes to some of the biggest Mardi Gras parades in New Orleans, and forecasters now have a clearer picture of when the biggest threats for storms and high winds could arrive.

NEW ORLEANS (AP) — As the sun rose over New Orleans on Tuesday, a crowd gathered in the historic Treme neighborhood, their faces covered in skeletal masks with protruding antlers — the first revelers determined to celebrate Mardi Gras Day, like they always have.