NEW ORLEANS (Reuters) ? Slow-moving Tropical Storm Lee brought torrential rains to the Louisiana coast on Saturday as the heart of the storm approached New Orleans, where flood defenses were expected to be put to the test.
The storm was expected to bring up to 20 inches of rain to southeast Louisiana over the next few days, including to New Orleans, which was devastated by Hurricane Katrina in 2005, the U.S. National Hurricane Center said.
The center of Lee was 45 miles southwest of Morgan City, with maximum winds of 60 miles per hour, the hurricane center said. Lee's winds were expected to stay below the 74 mph threshold of hurricane strength.
But the prospect of flooding in low-lying New Orleans evoked memories of Hurricane Katrina, which flooded 80 percent of the city, killed 1,500 people and caused more than $80 billion in damage. Half of the city lies below sea level and is protected by a system of levees and flood gates.
The city's extensive levee system is capable of processing about one inch of rainfall per hour, but the storm's slow-moving nature could bring challenges, officials said.
The storm could also bring heavy rains and flooding to Mississippi, Alabama and the Florida Panhandle as it creeps eastward over the U.S. Labor Day holiday weekend.
EVACUATIONS
Low-lying parishes around New Orleans saw rising waters, which covered some roadways in Plaquemines and St. Bernard parishes, but no homes or businesses were threatened. Some residents in Jefferson Parish were ordered to evacuate.
About 35,000 houses were without electrical power due to the storm, according to utility Entergy Corp.
Periodic breaks in the rainfall allowed the city's giant pumps to catch up with the water flow and clear standing water, said Jefferson Parish President John Young.
"Everything looks good," Young told local television. "The pumps are keeping up with the water. We are getting some street flooding."
Lee will weaken once it hits land, but it will lose strength more slowly than normal due to the marshy nature of the Louisiana coast, the hurricane center said.
Lee's northeasterly track could bring heavy rains to Mississippi, Alabama, Georgia, Tennessee and the Appalachian Mountains next week.
About half the U.S. offshore oil production, all based in the Gulf of Mexico, and a third of offshore gas production were shut as of Friday, according to the U.S. government. Most of that output should quickly return once the storm passes.
Major offshore producers like Royal Dutch Shell, Exxon Mobil Corp and BP Plc shut down platforms and evacuated staff earlier this week.
Shell and Anadarko Petroleum Corp started to return workers to offshore platforms in the western Gulf of Mexico on Saturday.
Low-lying refineries in Louisiana that collectively account for 12 percent of U.S. refining capacity were watching the storm closely, but reported no disruptions.
ConocoPhillips' 247,000 barrel per day refinery in Alliance, Louisiana, 25 miles south of New Orleans was operating normally as Lee moved overhead, the company said.
Meanwhile, Hurricane Katia weakened to near tropical storm strength as it churned in the Atlantic Ocean, 485 miles east-northeast of the northern Leeward Islands. Katia had maximum winds of 75 mph, moving northwest at 10 miles per hour.
(Additional reporting by Erwin Seba in Houston, Writing by Chris Baltimore; Editing by Vicki Allen)
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