Here's a comparison of Hurricanes Gustav and Katrina:
Gustav: Monday, Sept. 1, 2008, about 10:30 a.m. EDT, near Cocodrie, La., about 70 miles southwest of New Orleans.
Katrina: Monday, Aug. 29, 2005, about 7:10 a.m. EDT, near Buras, La., about 55 miles south of New Orleans.
Gustav: Reached Category 4, landfall as Category 2, winds near 110 mph.
Katrina: Reached Category 5, landfall as Category 3, winds near 125 mph.
Gustav: Reports of 12 feet high in the Industrial Canal, east side of New Orleans.
Katrina: Estimated at 27 feet high in Hancock, Miss. (It was difficult to measure in New Orleans because buildings washed away, leaving no high water marks.)
Gustav: Tropical storm forms Aug. 25, 2008, in the Caribbean, crosses Haiti, Cuba.
Katrina: Tropical storm forms Aug. 24, 2005, over the Central Bahamas, strikes southern tip of Florida.
Gustav: FEMA estimates 10,000 left in New Orleans.
Katrina: 30,000 people crowd Superdome, convention center. Others plucked from homes, rooftops.
Sources: National Hurricane Center, FEMA