
The slow-moving Hurricane Isaac made landfall Tuesday night in Louisiana, drenching the Gulf Coast from New Orleans to Florida and causing at least one levee to overtop and storm surges of more than 12 feet reported. See photos of the storm.

Ashley Clague, right, holds her face as she waits with Jean Fernandez, left, to buy groceries after Hurricane Isaac in Chalmette, La., on Thursday. The storm's center was on track to cross Arkansas on Friday and southern Missouri on Friday night.

Zach Armand, right, loads a bag of ice into Penelope Packard's shopping cart after Hurricane Isaac passed through Chalmette, La., on Thursday.

A steady armada of utility service trucks drive through Waveland, Miss., to assist residents left without power on Thursday.

Michael Ferbosses makes his way home through the wind and rain in Chalmette, La., on Thursday.

A man holds a broken umbrella in the wind as Hurricane Isaac makes landfall near New Orleans on Wednesday.

Latrina Williams braids her daughter Amari's hair while son Michael demands attention as they take refuge at a high-school gymnasium in Belle Chasse, La., in low-lying Plaquemines Parish near New Orleans on Wednesday.

Landon Gazzier, right, and Dillan Gazzier, left, play on a flooded street as the waves crash over the sea wall in Bayou La Batre, Ala., on Wednesday.

Henry Cox pulls his boat through deep water while rescuing residents from the flood waters in the River Forest subdivision in LaPlace, La., on Wednesday.

Christopher Smith rides in a boat after being rescued from the rising flood water in the River Forest subdivision of LaPlace on Wednesday.

A tree blown over from Hurricane Isaac lies atop a tomb in Oakville, La., on Wednesday.

Errol Ragas walks past a flooded cemetery while recovering dry blankets from his home in Plaquemines Parish on Wednesday.

People sit in a rescue truck atop a levee near floodwaters after being rescued in Plaquemines Parish on Wednesday.

This image provided by NASA taken early on Wednesday by the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi-NPP satellite shows this nighttime view of Hurricane Isaac and the cities near the Gulf Coast.

A pedestrian braves Hurricane Isaac on Wednesday in New Orleans.

Research students from the the University of Alabama measure wind speeds as Hurricane Isaac makes landfall Wednesday in New Orleans.

A tree is blown over outside Tulane Medical Center.

A traffic light glows red after being downed by Hurricane Isaac's winds.

Isaac's winds and storm surge overcome the seawall and floods Terrace Avenue in Waveland, Miss.
Rogelio V. Solis / AP Photo
Matthew Pettus holds a sheet open in the wind on the levee near Lake Pontchatrain as Hurricane Isaac approaches on Tuesday.

The Waterfront Seafood company is flooded as water covers Shell Belt Road in Bayou La Batre, Ala., on Tuesday.
Butch Dill / AP Photo
A group of men sit on a bench at the edge of Lake Pontchartrain as Hurricane Isaac approaches on Tuesday.

People play in the storm surge from Hurricane Isaac on Lakeshore Drive along Lake Pontchartrain as the storm nears land in New Orleans on Tuesday.

Ruffin Henry and Scout the dog swim in the rising water of Lake Pontchartrain as Hurricane Isaac approaches on Tuesday in New Orleans.

Bridgette Mooney, her daughter Skyler, 15 months, and husband Kevin, watch from their home as Hurricane Isaac lashes their property in Kiln, Miss., on Tuesday.
John Moore / Getty Images
Bridgette Mooney shops for two-for-one frozen-food items as her daughter Skyler and cousin wait at Seal's Marketplace on Tuesday in Kiln, Miss.

Emily Schneider leans against a pole to support herself against strong winds while visiting the banks of Lake Pontchartrain in New Orleans on Tuesday.

The Theodore Church of God in Theodore, Ala. canceled its revival on Tuesday due to the storm.

Louisiana Governor Bobby Jindal receives an update on the status of the pumping station at the 17th Street Canal during Hurricane Isaac on Tuesday.

Teresa Ragas, left, and her husband, Bertrand Ragas, of Port Sulphur, La., lie side-by-side in cots at an evacuation shelter in Belle Chasse, La., just before Isaac's landfall.

Senior hurricane specialist Stacy Stewart tracks Isaac at the National Hurricane Center in Miami on Tuesday as it is upgraded from a tropical storm to a Category 1 hurricane.

Stewart updates Isaac to a Category 1 hurricane at the National Hurricane Center in Miami on Tuesday.

Meteorologists Alycia Gilliland and Christopher Johnson of the Center for Severe Weather Research place instrumentation pods on top of a levee in Plaquemines Parish, La., to research the changing effects of tropical winds as they hit land, as Isaac heads toward the area.

A woman enjoys the heavy rain in the Tampa area on Monday.