Isaac struck Louisiana and neighboring Gulf Coast states of Mississippi, Alabama Wednesday as a Category 1 hurricane, causing strong winds, heavy rain, massive flooding.
Hurricane Isaac Thrashes Louisiana, Mississippi

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A blown over tree sits on power lines amidst strong wind and rain during Hurricane Isaac in New Orleans, Louisiana August 29, 2012.

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Downed trees and power lines are seen on top of a pickup truck as Hurricane Isaac passes through New Orleans, Louisiana, August 29, 2012.

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A man stands in front of an uprooted oak tree on Louisiana Avenue as Hurricane Isaac makes land fall in New Orleans, Louisiana August 29, 2012.

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People gather in a French Quarter bar as Tropical Storm Isaac passes through New Orleans, Louisiana, August 29, 2012.