Hurricane Katrina started Aug. 23, 2005, and made landfall in the Gulf Coast on Aug. 29, 2005. Once it made landfall, it continued to rage until later that same day when it was downgraded to a tropical storm. More »

The length of the hurricane season is June 1 to Nov. 30 for the Atlantic, but it begins on May 15 for the Eastern Pacific. Hurricanes build up over warm water in the ocean and gain strength to make landfall. More »

Once a tropical storm is classified as a hurricane, it can last for as little as a day or as long as a month before dissipating. Regardless of lifespan, all hurricanes undergo a development process called a life cycle. S... More »

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 L... More »

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Hurricane Katrina ravaged the Gulf Coast of the United States on Aug. 29, 2005. The storm stretched 400 miles and topped out at 140 mph. Three Southeastern U.S. states, including Alabama, Louisiana and Mississippi, combi... More »

www.reference.com Science Weather & Tides Storms

Hurricane Katrina hit New Orleans on Aug. 29, 2005, during the early morning hours. The category 3 hurricane, which also hit parts of Mississippi and Alabama, sustained winds of 100 to 140 miles per hour, killed almost 2... More »

Hurricane Katrina made landfall in Louisiana on Monday, Aug. 29, 2005, first in Buras-Triumph, La., and then again in St. Bernard Parish and St. Tammany Parish. It hit Louisiana as a Category 3 hurricane, with sustained ... More »

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