Storm history of Hurricane Katrina
The storm history of Hurricane Katrina started on August 23, 2005. Hurricane Katrina was a highly destructive Category 5 hurricane which formed as Tropical Depression Twelve near the Bahamas. The next day, the tropical depression strengthened to a tropical storm, and was named Katrina. Katrina continued on to make landfall on the southern part of the U.S. state of Florida as a Category 1 hurricane.