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The National Hurricane Center says the storm arrived on land Saturday afternoon near Vermilion Bay.
The center is warning of dangerous storm surge, heavy rains and strong winds.
National Hurricane Center director Ken Graham said that Barry had gathered “a big slough of moisture” and was expected to dump rain on the area throughout the weekend.
Carrying “off the chart” amounts of moisture, sprawling Barry strengthened into a hurricane Saturday as it crawled slowly toward shore, knocking out power on the Gulf Coast and dumping heavy rains that could last for days in a test of flood-prevention efforts implemented after Hurricane Katrina devastated New Orleans 14 years ago.
As natives and tourists in the Big Easy, Baton Rouge and other heavily populated areas in the storm’s path hunkered down or wandered through quiet, emptied streets waiting for the worst, the Coast rescued more than a dozen people from the flooded remote island of Isle de Jean Charles. Water on the island had risen so high that some residents were clinging to rooftops by the time help arrived.
Video showed water overtopping a levee in Plaquemines Parish, a finger of land extending deep into the Gulf of Mexico, downstream from New Orleans. Officials were still confident that New Orleans’ levees would hold firm. Most of the levees range from about 20 to 25 feet (6 to 7.5 meters) in height.
Barry had strengthened into a Category 1 hurricane by Saturday morning, with maximum sustained winds of 75 mph (120 kph), the National Hurricane Center said. Storms become hurricanes when their winds reach 74 mph (120 kph) or higher.
Officials predicted Barry would make landfall near Morgan City, west of New Orleans. The small town had an overnight curfew that expired Saturday morning, after on-and-off rain and power outages. People used cellphones to see in the dark, and opened doors and windows to let the warm, sticky tropical air circulate.
PHOTOS: Gulf Coast braces for Hurricane Barry
More than 70,000 customers were without power Saturday morning, including 66,830 in Louisiana and 3,140 in Mississippi, according to poweroutage.us.
Though expected to be a weak hurricane, Barry threatened disastrous flooding across a swath of the Gulf Coast. By Saturday morning, the storm system had gathered a “big slough of moisture,” meaning “a lot of rain is on the way,” said National Hurricane Center Director Ken Graham.
During a storm update through Facebook Live, Graham pointed to a computer screen showing a huge, swirling mess of airborne water. “That is just an amazing amount of moisture,” he said. “That is off the chart.”
The rains inundated the remote Isle de Jean Charles, about 45 miles (72 kilometers) south of New Orleans. Coast Guard rescuers used helicopters to pluck some residents from rooftops and loaded others into boats from flooded homes on Saturday morning, Petty Officer Lexie Preston said.
Barry was moving so slowly, it was likely that heavy rain would continue throughout the weekend across Louisiana, Graham said. There were predictions of 10 to 20 inches (25 to 50 centimeters) of rain through Sunday across a swath of Louisiana that includes New Orleans and Baton Rouge with some parts of the state possible getting 25 inches (63 centimeters). Looking ahead, tracking forecasts showed the storm moving toward Chicago, swelling the Mississippi River basin with water that must eventually flow south again.
Water was flowing over a levee in Point Celeste in Plaquemines Parish, Lt. Gov. Billy Nungesser said. He said crews were working to contain the water.
Governors declared emergencies in Louisiana and Mississippi, and authorities took unprecedented precautions in closing floodgates and raising the barriers around New Orleans. Gov. John Bel Edwards said it was the first time all floodgates were sealed in the New Orleans-area Hurricane Risk Reduction System since Katrina. Still, he said he didn’t expect the Mississippi River to spill over the levees despite water levels already running high from spring rains and melting snow upstream.
Rescue crews and about 3,000 National Guard troops were posted around Louisiana with boats, high-water vehicles and helicopters. President Donald Trump declared a federal emergency for Louisiana, authorizing federal agencies to coordinate relief efforts.
There was one piece of good news: Late Friday night, forecasters said the Mississippi River was expected to crest in New Orleans at about 17.1 feet (5.2 meters) on Monday, not 19 feet (5.8 meters) as had been earlier predicted. The levees protecting the city range from about 20 to 25 feet (6 to 7.5 meters) in height.
On-again, off again rain hit New Orleans overnight. As day broke, streets in the normally raucous French Quarter tourist district were largely empty and barely damp. Street sweepers rambled by. It was breezy, but flags on balconies overhanging the empty streets still occasionally fell limp. A few cars were out on roads. Some nearby homes had piled sandbags outside their doors.
“So far it’s been really nice. It’s been cool. It’s been a little breezy,” said Wayne Wilkinson, out with his dog in the French Quarter. He welcomed the pre-storm respite from July’s normal heat, but said he was mindful things could change: “I know we have to be on the alert.”
Baton Rouge , which was devastated by floods in 2016 , was similarly quiet Saturday, with puddles left from overnight rains, wind shaking the trees and only a few cars and trucks on thoroughfare Interstate 10. In Alabama, rain pounded the eastern shore of Mobile Bay overnight, with scattered power outages in communities including Daphne, along Interstate 10.
Authorities told at least 10,000 people in exposed, low-lying areas along the Gulf Coast to leave, but no evacuations were ordered in New Orleans , where officials urged residents to “shelter in place.”
Before they did, people packed stores to stock up on bottled water, food and other essentials.
Lifelong New Orleans resident Terrence Watkins grabbed supplies at a Costco. He said he has a few simple big-storm rules: “Stock up on water. Stock up food. Get ready for the storm – ride it out.”
This story has been edited to correct last name to Watkins, not Williams.
Associated Press reporters Rebecca Santana in New Orleans and Sarah Blake Morgan in New Orleans; Jay Reeves in Baton Rouge; and Rogelio Solis in Morgan City contributed to this report.
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