Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: Chris Graythen/Getty Images)

A car sits submerged in the flood waters of Hurricane Isaac in the River Forest subdivision on August 29, 2012 in LaPlace, Louisiana. The large Level 1 hurricane slowly moved across southeast Louisiana, dumping huge amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: Chris Graythen/Getty Images)

Rescue workers transport residents trapped by rising water from Hurricane Isaac in the River Forest subdivision on August 29, 2012 in LaPlace, Louisiana. The large Level 1 hurricane slowly moved across southeast Louisiana, dumping huge amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

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People gather in a bar in the French Quarter during ongoing rain from Hurricane Isaac on August 29, 2012 in New Orleans, Louisiana. The French Quarter appeared largely unscathed by the storm. The large Level 1 hurricane slowly moved across southeast Louisiana, dumping huge amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: John Moore/Getty Images)

Flood evacuee Stacy Ford holds her dog Sugar while at a shelter set up in a YMCA on August 29, 2012 in Plaquemines Parish, Louisiana, the most heavily damaged by Hurricane Isaac. Her home in Mertle Grove had been flooded by four feet of water. The system, which was downgraded to a tropical storm by the National Weather Service, moved slowly across the state, dumping large amounts of rain and knocking out power to half a million Louisianans.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: Chris Graythen/Getty Images)

Christopher Smith rides in a boat after being rescued from the rising flood water from Hurricane Isaac in the River Forest subdivision on August 29, 2012 in LaPlace, Louisiana. The large Level 1 hurricane slowly moved across southeast Louisiana, dumping huge amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: Chris Graythen/Getty Images)

A man points to other people stranded by the rising water during Hurricane Isaac in the River Forest subdivision on August 29, 2012 in LaPlace, Louisiana. The large Level 1 hurricane slowly moved across southeast Louisiana, dumping huge amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: John Moore/Getty Images)

A levee holds back the Mississippi River on August 29, 2012 in Plaquemines Parish, Louisiana. The parish, south of New Orleans, was the most heavily damaged by the hurricane. The system, which was downgraded to a tropical storm by the National Weather Service, moved slowly across the state, dumping large amounts of rain and knocking out power to half a million Louisianans.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: John Moore/Getty Images)

A tree blown over from Hurricane Isaac lies atop a cemetery tomb on August 29, 2012 in Oakville, in Plaquemines Parish, Louisiana. The parish, south of New Orleans, was the most heavily damaged by the hurricane. The system, which was downgraded to a tropical storm by the National Weather Service, moved slowly across the state, dumping large amounts of rain and knocking out power to half a million Louisianans.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: Mario Tama/Getty Images)

A Lower Ninth Ward resident inspects a telephone pole that was toppled onto her home by Hurricane Isaac on August 29, 2012 in New Orleans, Louisiana. The large Level 1 hurricane slowly moved across southeast Louisiana, dumping huge amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: Mario Tama/Getty Images)

A street sign lies near floodwaters during Hurricane Isaac on August 29, 2012 in Braithwaite, Louisiana. Dozens were reportedly rescued in the area after levees were overtopped by floodwaters from Hurricane Isaac.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: Mario Tama/Getty Images)

A rescue boat passes a partially submerged stop sign during Hurricane Isaac on August 29, 2012 in Braithwaite, Louisiana. Dozens were reportedly rescued in the area after levees in Plaquemines Parish were overtopped by floodwaters from Hurricane Isaac.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: John Moore/Getty Images)

Rain from Hurricane Isaac falls over Bourbon Street on August 29, 2012 in New Orleans, Louisiana. The Category 1 hurricane is slowly moving across southeast Louisiana, dumping large amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: John Moore/Getty Images)

A pedestrian walks through the rain of Hurricane Isaac on August 29, 2012 in New Orleans, Louisiana. The Category 1 hurricane is slowly moving across southeast Louisiana, dumping large amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: Mario Tama/Getty Images)

A tree is blown over outside Tulane Medical Center during the rains from Hurricane Isaac on August 29, 2012 in New Orleans, Louisiana. The Category 1 hurricane is slowly moving across southeast Louisiana, dumping large amounts of rain and knocking out power to Louisianans in scattered parts of the state.

Hurricane Isaac Hits New Orleans, Gulf Coast

(credit: John Moore/Getty Images)

Heavy rain from Hurricane Isaac obscures the view of the Crescent City Connection Bridge over the Mississippi River early on August 29, 2012 in New Orleans, Louisiana. The large Level 1 hurricane slowly moved across southeast Louisiana, dumping huge amounts of rain and knocking out power to Louisianans in scattered parts of the state.