![]() Many New Orleans citizens that had access to boats also helped get people out. The Coast Guard began rescuing people that were stranded on their roofs and inside their homes via helicopter and boat. The federal government stalled with assistance for days–being unclear of how bad the damage was and how many people needed help. Bernard Parish, although there was some degree of flooding in almost every neighborhood. The areas with the most flooding included the Ninth Ward, Lakeview, and St. ![]() The storm surge did in fact pressure the levees and drainage canals and breached over fifty times, causing widespread flooding to over 70 percent of New Orleans in the days following the storm’s landfall. It was once the storm passed that the worst happened. Others decided to stay in their homes at their own risk. About 80 percent of the city evacuated, while 10,000 headed to the Superdome for shelter. The greatest fear in storms was not the levee collapsing, but that a surge could cause the waters to rise above the levee.īecause of the threat of Hurricane Katrina, Mayor Ray Nagin issued a mandatory evacuation for the city of New Orleans. Because of this, levees and seawalls were built by the United States Army Corps of Engineers to protect the city. The city is surrounded on all sides by the Mississippi River, Lake Pontchartrain, and Lake Borgne, as well as swampland. New Orleans has an average elevation of six feet below sea level, which puts the city at risk for flooding during heavy rainstorms.
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