Isaac Dumps Rain on Louisiana
Tropical Storm Isaac produces a storm surge along the northern Gulf coast.
Tropical Isaac Dumps Rain on Louisiana
Exhausted evacuees from Plaquemines Parish sit in the back of an emergency response vehicle stopped on top of the Mississippi River levee near Braithwaite, La. as Isaac sends powerful winds and rain through the area, Aug. 29, 2012. (Chris Granger/The Times-Picayune/AP Photo)
