NEW ORLEANS (AP) 鈥� A fearsome Hurricane Ida left scores of coastal Louisiana residents trapped by floodwaters and pleading to be rescued Monday while making a shambles of the electrical grid across a wide swath of the state in the sweltering, late-summer heat.
One of the most powerful hurricanes ever to hit the U.S. mainland weakened into a tropical storm overnight as it pushed inland over Mississippi with torrential rain and shrieking winds, its danger far from over.
Ida was blamed for at least one death 鈥� someone hit by a falling tree outside Baton Rouge 鈥� but the full extent of its fury was still coming into focus at daybreak.
All of New Orleans lost power right around sunset Sunday as the hurricane blew ashore on the 16th anniversary of Katrina, leading to an uneasy night of pouring rain and howling wind. The weather died down shortly before dawn, and people began carefully walking around neighborhoods with flashlights, dodging downed light poles, pieces of roofs and branches.
鈥淚 had a long miserable night,鈥� said Chris Atkins, who was in his New Orleans home when he heard a 鈥渒aboom鈥� and all the sheetrock in the living room fell into the house. A short time later, the whole side of the living room fell onto his neighbor鈥檚 driveway.
鈥淟ucky the whole thing didn鈥檛 fall inward. It would have killed us,鈥� he said.
An area just west of New Orleans got about 17 inches of rain in 20 hours, Greg Carbin of NOAA鈥檚 Weather Prediction Center tweeted.
The flooding from the rain and surge in the maze of rivers and bayous south of New Orleans threatened hundreds of homes. On social media, people posted their addresses and directed search and rescue teams to their attics or rooftops.
Rescuers moved to launch hundreds of boats into the floodwaters in the morning. The Louisiana National Guard said it activated 4,900 Guard personnel and lined up 195 high-water vehicles, 73 rescue boats and 34 helicopters. Local and state agencies were adding hundreds of more.
Jefferson Parish in suburban New Orleans knew of 500 people who said they were going to stay in areas that were flooded, and it began sending out dozens of boats to account for everyone and start rescuing them, Parish Council member Deano Bonano told WWL-TV.
鈥淚 know people have family members in here they are trying to check on. They can鈥檛 get to them. The water is too high. We鈥檙e going to do our best efforts to get them out," Bonano said.
More than a million customers in Louisiana and Mississippi were without power, according to PowerOutage.US, which tracks outages nationwide, increasing their vulnerability to flooding and leaving them without air conditioning and refrigeration.
Entergy said all eight major transmission lines into New Orleans were down and the only power was coming from generators, the city鈥檚 emergency office tweeted, citing 鈥渃atastrophic transmission damage.鈥� The city relies on Entergy for backup power for its stormwater pumps.
New Orleans' Katrina, which in 2015 breached the city's flood defenses, caused catastrophic flooding and was blamed for 1,500 deaths. Ida posed its biggest test since that disaster.
No major flooding was reported inside the flood control system that protect New Orleans, but with communications spotty and no power, the extent of the damage across the city was not immediately clear.
Bonano said flooding from the rain was as bad as he had ever seen, but the levee system in Jefferson Parish held.
鈥淣o issues, no breaches no overtopping 鈥� the levees worked great,鈥� he said.
But the hurricane twisted and collapsed a giant transmission tower along the Mississippi River, and the wires fell into the river, causing widespread outages and halting river traffic, Jefferson Parish Emergency Management Director Joe Valiente said. Those lines supplied power to the New Orleans area.
鈥淥ne-hundred percent of the grid is smashed, hundreds of telephone poles snapped, trees hit power lines and just ripped them out,鈥� Valiente told NPR. He said that the entire power grids collapsed in about 10 parishes and that it could take six weeks to fully restore power.
Farther south, emergency officials had not heard from Grand Isle since Sunday afternoon. About 40 people stayed on the barrier island, which took the brunt of the hurricane and was swamped by seawater, Jefferson Parish President Cynthia Lee Sheng told NBC.
Louisiana Gov. John Bel Edwards warned the state late Sunday that it faces dark days of cleanup without power. But he added: 鈥淭here is always light after darkness, and I can assure you we are going to get through this.鈥�
Ida鈥檚 150 mph (230 kph) winds tied it for the fifth-strongest hurricane ever to hit the mainland. Its winds were down to 45 mph (72 kph) early Monday, and forecasters said it would rapidly weaken while still dumping heavy rain over a large area.
Parts of Interstate 10 鈥� the main east-west highway along the Gulf Coast 鈥� were closed because of high water and debris on the road. At one spot, near LaPlace, Louisiana, the water over the highway was at least 4 feet (1.2 meters) deep, state officials said.
In Mississippi's southwestern corner, entire neighborhoods were surrounded by floodwaters, and many roads were impassable.
Ida was expected to pick up speed Monday night before dumping rain on the Tennessee and Ohio River valleys Tuesday, the Appalachian mountain region Wednesday and the nation鈥檚 capital on Thursday.
Forecasters said flash flooding and mudslides are possible along Ida鈥檚 path before it blows out to sea over New England on Friday.
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Associated Press writers Emily Wagster Pettus in Jackson, Mississippi; Seth Borenstein in Kensington, Maryland; Michael Biesecker in Washington; Sudhin Thanawala in Atlanta; and Jeffrey Collins in Columbia, 小蓝视频 Carolina. contributed to this report.
Rebecca Santana, Kevin Mcgill And Janet Mcconnaughey, The Associated Press
