Effects of Hurricane Katrina in New Orleans Blanco ordered the complete evacuation of the remaining people that sought shelter in the Superdome. They were then transported to the Astrodome in Houston, Texas. As of mid-day Monday, August 29, the eye of Hurricane Katrina passed east of the City subjecting it to hurricane wind conditions, but sparing New Orleans the worst impact. The City seemed to have escaped most of the catastrophic wind damage and heavy rain that had been predicted. Most buildings came through well structurally. However, the city's levee and flood walls designed and built by the US Army Corps of Engineers breached in over fifty
Hurricane preparedness for New Orleans from the Mississippi River. In 1947, the Fort Lauderdale hurricane struck the New Orleans area. There was moderate wind damage. Flood prevention was largely successful in Orleans Parish, but there was severe flooding in the new East Jefferson suburbs near the Lake. Hurricane Flossy in 1956 resulted in flooding in parts of Eastern New Orleans. Hurricane Betsy in 1965 alerted a new generation to the threat posed by major hurricanes. As radar showed the storm heading for the city, a mandatory evacuation of Eastern New Orleans was declared. The Mississippi River-Gulf Outlet Canal channeled storm surge into the metro area.