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Tropical storm Isaac batters New Orleans
More than 250,000 homes and businesses without power as storm rolls over New Orleans with 130kph winds.
Last Modified: 30 Aug 2012 03:16
Tropical storm Isaac has dumped rain over Louisana, causing widespread flooding [GALLO/GETTY]

Tropical storm Isaac pushed slowly into southeastern Louisiana on Wednesday, bringing winds and a storm surge that caused wide power outages and overflowed at least one levee.

Hundreds of thousands of people were without power across Louisiana's southern parishes, including more than 250,000 in New Orleans and its suburbs, power provider Entergy reported. Isaac's centre slowed over the Gulf, whipping winds of 130km per hour (kph) across parts of Florida, Alabama, and Mississippi.

A storm surge also overflowed parts of a 29km levee in rural Plaquemines Parish south of New Orleans, flooding areas and possibly trapping some people in their homes, according to parish officials.

The storm is "very slow moving ... which means there could be hurricane-force winds over New Orleans or here in Gulfport, Mississippi ... for hours on end," Al Jazeera's John Terrett said.

"The biggest test for New Orleans is going to be the city's brand new pumps and levees and also the big barrier which is about 20km outside the city designed to stop the water getting anywhere near it.

"They're very confident that all that is going to work this time."

Al Jazeera's John Terrett reports on the preparations for the tropical storm Isaac along Mississippi's Gulf coast

Oil production in the area has nearly ground to a halt, and ports and coastal refineries curtailed operations as Isaac approached.

The Alliance refinery in Belle Chasse, which is owned by Phillips 66 and produces 247,000 barrels a day, lost power on Tuesday night, the Times Picayune newspaper reported.

But the company said it had already shut the facility down.  

The storm has brought high winds, soaking rains and storm surges that will pose the first major test for multibillion-dollar flood protections put in place in New Orleans after Hurricane Katrina devastated the city and coast seven years ago.

Forecasts from the US National Hurricane Centre showed the storm possibly taking direct aim at New Orleans.

"Many parts of the state could see 24 to 38 hours of tropical storm-force winds," Governor Bobby Jindal told a news conference earlier. "We're going to see a lot of downed trees and power lines ... We need people to stay safe."

Storm surge flooding is already occurring in coastal areas of southeastern Louisiana, the National Hurricane Centre said in an advisory. 

Earlier, the Army Corps of Engineers closed for the first time the massive new floodgate on the largest storm-surge barrier in the world, at Lake Borgne, east of New Orleans.

Learning from Katrina

Isaac is bearing down on New Orleans seven years after the government's botched handling of the much bigger Hurricane Katrina became a political disaster for President George Bush.

"Isaac has finally formed into a hurricane, so we are officially in the fight and the city of New Orleans is on the
front lines," Mitch Landrieu, New Orleans mayor, said.

About 50,000 people were set to evacuate the city.

"People here are, understandably, cautious," Al Jazeera's Tom Ackerman reported from New Orleans.

"They are confident that the enhancements to the levee system, particularly the wall that is nearly finished, will protect the entire city of New Orleans from significant damage."

Obama's warning

Isaac achieved hurricane status shortly after President Barack Obama gave warning on the likelihood of significant damage from flooding.

Obama told people in its path to take the "big storm" seriously and to follow directions in a televised statement from the White House.

"I want to encourage all residents of the Gulf Coast to listen to your local officials and follow their directions, including if they tell you to evacuate," he said.

"We're dealing with a big storm and there could be significant flooding and other damage across a large area. Now is not the time to tempt fate. Now is not the time to dismiss official warnings. You need to take this seriously."

His appearance was a reminder of the power of an incumbent president to intervene at politically advantageous moments, as he projected an image of strength and competence, just as Republicans met at their national convention in Tampa, Florida, to nominate former Massachusetts Governor Mitt Romney to challenge Obama in November.

Federal support

Earlier on Tuesday, Obama said he had ordered the Federal Emergency Management Agency to be in place more than a week ago to co-ordinate with local officials from Puerto Rico to Florida, Louisiana and other Gulf of Mexico states.

"Right now, we already have response teams and supplies ready to help communities in the path of the storm," he said.

Robert Bentley had ordered residents of low-lying coastal areas and flood-prone areas of Mobile and Baldwin counties to evacuate on Monday.

But he announced on Tuesday that he was revising the order because the National Hurricane Centre lifted its hurricane warning for the Alabama coast.

Alabama's governor has lifted the mandatory evacuation order for parts of Alabama's two coastal counties.

However, Bentley is still recommending that people in low-lying, flood-prone areas move to safer locations because of heavy rains and storm surge forecast at 1.2 to 2.4 metres.

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Source:
Al Jazeera and agencies
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