Hurricane Katrina first made landfall on the southeastern coast of Florida on August 25, 2005, as a Category 1 hurricane. It then made its most devastating landfall on the northern Gulf Coast, near Buras, Louisiana, on August 29, 2005, as a Category 3 hurricane with sustained winds of about 125 mph.
Key Landfall Dates:
- Initial landfall in Florida: August 25, 2005 (Category 1)
- Major Gulf Coast landfall in Louisiana: August 29, 2005 (Category 3)
These dates mark the critical moments when Hurricane Katrina struck land and caused massive destruction and flooding, especially in Louisiana and Mississippi.