![]() Morial Convention Center as the storm approached. Still, about 100,000 people were trapped in the city when the storm hit, and many took last-ditch refuge in the New Orleans Superdome and the Ernest J. As many as 50,000 people sought refuge at the New Orleans Convention Center and the Superdome.īy some estimates, between 80 and 90 percent of New Orleans’ population was able to evacuate the city prior to Katrina. ![]() Although New Orleans’ levees and flood walls had been designed to withstand a category 3 hurricane, half of the network gave way to the waters. In some areas, floodwaters reached depths of 10 to 15 feet, and didn’t recede for weeks. ![]() The Industrial Canal was later breached as well, flooding the neighborhood known as the Lower Ninth Ward.īy late afternoon, the breaching of the London Avenue Canal levees had left 80 percent of New Orleans underwater. Army Corps of Engineers, which administered the levees, received a report that water had broken through the concrete flood wall between the 17th Street Canal and the city. Half of New Orleans’s 350-mile-long protection system of levees and flood walls was overwhelmed.Īt 5 a.m. Winds of 125 mph and storm surges of 28 feet devastated much of Biloxi and Gulfport, Mississippi. Though downgraded to a category 3, the storm’s relatively slow forward movement (around 12 mph) covered the region with far more rain than a fast-moving storm would have. Within an hour, nearly every building in lower Plaquemines Parish would be destroyed. On the morning of August 29, 2005, Katrina made landfall around 60 miles southeast of New Orleans. The eye of the storm hit the Gulf Coast near Buras, Louisiana on August 29. On August 28, the storm was upgraded to a category 5 hurricane, with steady winds of 160 mph. But over the Gulf of Mexico, some 165 miles west of Key West, the storm gathered strength above the warmer waters of the gulf. Katrina made landfall that morning as a Category 4 storm with sustained winds in excess of 135 mph.Īfter passing over Florida, Katrina again weakened, and was reclassified as a tropical storm. In this satellite image, a close-up of the center of Hurricane Katrina's rotation is seen at 9:45 a.m.
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