On Aug. 23, 2005, Hurricane Katrina first surfaced as a tropical depression over the Bahamas. Over the course of two days, it became a tropical storm and made landfall as a category one hurricane between Miami and Fort Lauderdale, Fla.
Hurricane Katrina spent less than eight hours over Florida with sustained winds of 70 miles per hour and rainfall totals of 5 inches reported in some areas. The hurricane intensified when it reached the warm waters of the Gulf of Mexico. On Aug. 29, Hurricane Katrina made landfall for a second time near the Louisiana-Mississippi border. According to the Encyclopædia Britannica, Hurricane Katrina and its aftermath claimed over 1,800 lives and is ranked as the costliest natural disaster in U.S. history.