Generally Hurricane Katrina were one of the most costly storms in U.S. history. It was a powerful storm that left thousands without homes, caused thousands to evacuate and took many lives with. However Katrina initially formed about 200 miles southeast of the Bahamas on august 23rd, 2005, as a tropical depression. (Complex) as Katrina progressed it struck the gulf coast with devastating force at daybreak on august 29,It 2005. (Complex) It hit five southern states: Mississippi,Louisiana,Georgia, alabama, and Florida.Hurricane Katrina was a Category 3 with 127 mph winds. The experts who studied it said it was like four storms, but in one big storm. It storm surge produced a 29 ft. wall of water and was the highest ever measured in U.S. history.
