Officials are rushing to reschedule Mardi Gras celebrations and warning revelers against brining umbrellas and tents as powerful storms with a threat of tornadoes are expected to strike Louisiana and

Powerful storms with a threat of tornadoes are expected to punch through Louisiana and other parts of the South on Tuesday just as costumed revelers celebrate Mardi Gras with huge parades and partying in the streets of New Orleans and other cities in the region.