On August 29, 2005, Hurricane Katrina made landfall in Louisiana and Mississippi as a category 3 storm, causing widespread damage. It was one of the costliest and deadliest hurricanes in U.S. history, resulting in over 1,800 deaths and $81 billion in damages. Hurricane Katrina severely impacted New Orleans, flooding 80% of the city as the levees failed. The storm had long-lasting social, economic, political, and environmental impacts across the Gulf region.