Isn't New Orleans about half under water anyway?
"New Orleans is flanked by the Mississippi River and broad Lake Pontchartrain, and needs a system of canals and huge pumps to keep it dry because parts of it are as much as 10 feet below sea level. The city hasn’t taken a major direct hit from a hurricane since Betsy in 1965, which flooded some neighborhoods up to 7 feet deep. Many highways leading out of the metro area are prone to flooding, severely limiting escape routes."
My guess that the phrase "colder than a well-diggers ass" doesn't mean much there. I'll bet with my coat-hanger I could divine water pretty well, if someone would pay me.
Anyway, here's hoping they don't get a direct hit.
Arf