Isaac’s Storm Surge Tops La. Levee

NEW ORLEANS (AP) — Tropical Storm Isaac, downgraded from a hurricane about 19 hours after making landfall, drove water over a levee in a lightly populated part of Plaquemines Parish, flattened sugar cane 50 miles west in Terrebonne Parish, forced evacuation of a neighborhood in St. John the Baptist Parish and knocked out power to more than 700,000 households and businesses statewide.