When Katrina made landfall, she started a drift to the east, right along the coast. NOLA was always west of the eye. What happened in NOLA, when the levees gave out, happened on a much grander scale across the whole Mississippi coast and we got the brunt of the winds.
Buras, where a great deal of Shellfish harvesting takes place had a 30 foot wall of water destroy the shrimp and and oyster boats.
New Orleans, where they were holding the Southern Decadence was destroyed by FLOOD and the Federal (Roe v. Wade) levees failed.
Biloxi where they have Gambling, prostitution, homosexuals and immodestly dressed women on the beaches was destroyed by the great waves.