Some Hurricane Katrina facts for children include that it struck the Gulf Coast at the Louisiana-Mississippi border on August 29, 2005 and was labeled a Category 3 storm when it hit land. The highest wind speeds were 175 mph as it crossed the Gulf of Mexico.
Hurricane Katrina began forming over the Bahamas on August 23, 2005. It first hit land in Southern Florida on August 25, causing minor flooding and two casualties. Large areas of Mississippi, Alabama and Louisiana were destroyed by Hurricane Katrina, causing estimated damage of $81 billion. Eighty percent of New Orleans was flooded and remained flooded for weeks. It is labeled as the costliest natural disaster and is one of the five deadliest storms in U.S. history.
The environmental impact included beach erosion, the destruction of breeding grounds for animals and the forced closure of 16 National Wildlife Refuges. About 20 percent of area marshes were permanently flooded as well. The storm caused oil spills from 44 facilities, measuring over 7 million gallons.
About 90,000 square miles of the United States were affected, and nearly 2,000 people were killed in the hurricane. Millions of people were displaced from their homes due to flooding and other damage.