NEW ORLEANS (November 10, 2012)--The Army Corps of Engineers says improvements to the New Orleans-area levee system did not cause Hurricane Isaac's storm-surge flooding of areas in Louisiana that were not inundated during Hurricanes Katrina and Gustav.
The corps says in a study released Friday that surge flooding during Isaac was the result of the storm's landfall just west of the Mississippi River, rainfall amounts of 8 to 20 inches, a forward speed three to four times slower than Katrina and an extended period of easterly winds that pushed surge heights to record levels.
The Times-Picayune reported that residents and elected leaders in several area parishes including St. John the Baptist, St. Tammany, Plaquemines and Tangipahoa had pushed for the study after record flooding in some areas.
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