Three Louisiana cities out of 15 on this list aren't what any of us want to see but, it's important to understand the use of the word "devastated" here and its meaning for this list.
Ports of call are clamping down on cruise ship crowds, this could mean some destinations might not be available to all cruise ships in the near future.
Louisiana doesn't deal well with ice and freezing temperatures. We grind to a near halt, but we have dealt with it at least three times in the last decade.