Hurricane Katrina reached the United States on Aug. 29, 2005. The category 3 hurricane was 400 miles wide and had sustained winds between 100 and 140 miles per hour. The storm impacted 90,000 square miles of land within the United States.
Hurricane Katrina had its biggest impact on Louisiana, Alabama and Mississippi. The city of New Orleans suffered the most damage. Nearly 2,000 people were killed by Hurricane Katrina, and more than $100 billion worth of damage was left in its wake.
The Coast Guard rescued 34,000 people from the city of New Orleans, and local, state and federal officials were criticized for their responses to the disaster.