Hurricane Isaac storm surge tops levee in Plaquemines Parish

A storm surge pounds the seawall along Lake Pontchartrain as Isaac makes landfall. (AP)

A storm surge from Hurricane Isaac topped a levee in Plaquemines Parish south of New Orleans early Wednesday, officials said, trapping those who chose not to evacuate.

Plaquemines Parish president Billy Nungesser said the 8-foot-high levee--which is not part of the $1.5 billion federal levee system constructed after Hurricane Katrina--was in the process of being raised.

"The levees are topping in several locations," Nungresser said on CNN. "We're trying to get the few people who have stayed out. ... We've got a serious situation over there."

[Live-blog: Hurricane Isaac batters New Orleans, Gulf Coast]

Isaac made landfall at 6:45 p.m. CDT Tuesday in Plaquemines Parish, and the slow-moving Category 1 hurricane--now centered about 50 miles south southwest of New Orleans--is expected to dump as much as 20 inches of rain in several parts of Louisiana.

"Not only did we see the worst case scenario, it got worse than that by this storm just stalling," Nungresser said. "So the levees can only take so much."

Nungresser said there were reports of up to 12 feet of water in some homes. "This is something I've never seen before," Nungresser said. "And I rode out Katrina."

[Slideshow: Hurricane Isaac pounds Gulf Coast]

He said three parish residents, including a woman on a roof, were saved by a private boat. Rescue workers were waiting for conditions to improve--and skies to lighten--before attempting other rescues.

"We're working with U.S. Coast Guard to rescue people stranded on top of levee," Nungresser said at a press conference.

The southern end of the parish was under a mandatory evacuation order, though it's not clear how many residents followed it.

"There are homes inundated and some folks trapped by water in those homes," Guy Laigast, director of homeland security for Plaquemines Parish, told the Weather Channel.

Meanwhile, more than 438,000 customers were left without power in Arkansas, Louisiana and Mississippi, officials said.

Source: http://news.yahoo.com/blogs/lookout/hurricane-isaac-plaquemines-parish-124906826.html

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