Hurricane Katrina makes landfall near New Orleans, as a Category 3 hurricane on August 29, 2005. Despite being only the third most powerful storm of the 2005 hurricane season, Katrina was among the worst natural disasters in U.S. history. In the wake of the storm, there were over 50 failures of the levees and flood walls around New Orleans and its suburbs. The levee and flood wall failures caused widespread flooding.
After briefly coming ashore in southern Florida on August 25 as a Category 1 hurricane, Katrina gained strength before slamming into the Gulf Coast on August 29. In addition to bringing devastation to the New Orleans area, the hurricane caused damage along the coasts of Mississippi and Alabama, as well as other parts of Louisiana.
New Orleans Mayor Ray Nagin ordered a mandatory evacuation of the city on August 28, when Katrina briefly achieved Category 5 status and the National Weather Service predicted “devastating” damage to the area. But an estimated 150,000 people, who either did not want to or did not have the resources to leave, ignored the order and stayed behind. The storm brought sustained winds of 145 miles per hour, which cut power lines and destroyed homes, even turning cars into projectile missiles. Katrina caused record storm surges all along the Mississippi Gulf Coast.