HOUSTON — Catastrophic flooding triggered by Tropical Storm Harvey inundated Houston on Sunday, forcing residents of the fourth most populous U.S. city to flee their homes in boats or hunker down in anticipation of more days of "unprecedented" rainfall.
Harvey came ashore late on Friday as the most powerful hurricane to hit Texas in more than 50 years and has killed at least two people. The death toll is expected to rise as the storm triggers additional tidal surges and tornadoes, with parts of the region expected to see a year's worth of rainfall in the space of a week.
The storm caused chest-deep flooding on some streets in Houston as rivers and channels overflowed their banks. More than 30 inches of rain had fallen in parts of Houston in the past 48 hours, the National Weather Service said on Sunday, adding that more was on the way.
“What we’re seeing is the most devastating flood event in Houston’s recorded history. We’re seeing levels of rainfall that are unprecedented," said Steve Bowen, chief meteorologist at reinsurance firm Aon Benfield.
Total precipitation could reach 50 inches in some coastal areas of Texas by the end of the week, or the average rainfall for an entire year.
The center of Harvey was still about 125 miles from Houston and was forecast to arc slowly toward the city through Wednesday. Harvey was downgraded to a tropical storm on Saturday because its winds had slowed, but days of torrential rain are forecast. Texas Gov Greg Abbott told a news conference that new tornado warnings were expected later on Sunday.
President Donald Trump plans to go to Texas on Tuesday to survey damage from the storm, a White House spokeswoman said on Sunday.
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The swift rise of floodwaters surprised authorities, and Houston residents with boats were asked to help with rescues. Emergency services told the city's 2.3 million inhabitants to climb onto the roofs of houses, if necessary, to escape the water. People in Houston and other areas of Texas were asked not to leave their homes, even if they flooded, as roads were impassable.
"The water was right at our door," said Jasmine Melendez, a 23-year-old Houston mother of three, including a week-old infant. "We were also worried about the kids, especially the baby."
Melendez was sheltering at the downtown George Brown Convention Center, which was filled with hundreds of people who showed up for water, food, and baby supplies. Some people were being brought to the center in city dump trucks.
The Harris County Flood Control District said Harvey's impact rivaled that of Tropical Storm Allison, which dropped more than 40 inches of rain in Texas in June 2001, flooded 70,000 homes and caused $9 billion in damage.
"The breadth and intensity of this rainfall are beyond anything experienced before. Catastrophic flooding is now underway and expected to continue for days," the National Weather Service said on Twitter.
Harvey slammed into Texas as a Category 4 hurricane with winds of 130 miles per hour, making it the strongest storm to hit the state since 1961. Harvey ripped off roofs, destroyed buildings, flooded coastal towns and had cut off power to about 280,000 people in Texas as of Sunday.
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Many people were stuck in vehicles on raised highway sections with dips in the roads ahead of them flooded.
The Twitter account of the sheriff of Harris County, which includes most of Houston, was inundated with rescue requests and his team was unable to respond quickly to all of them. The Twitter account for Harris County 911 said people should not call if their lives were not threatened.
Two deaths had been confirmed so far — one in Rockport, 30 miles north of Corpus Christi, and in west Houston on Saturday.
Houston's George Bush Intercontinental and William P. Hobby airports canceled all commercial flights on Sunday. The Ben Taub Hospital in Houston's Medical Center was being evacuated on Sunday. An American Red Cross emergency shelter was forced to shut due to flooding and the group opened two more.
Houston's schools were scheduled to close for the week, the school district said on Twitter. ConocoPhillips will close on Monday and Tuesday, the company said.
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The size and strength of Harvey dredged up memories of Katrina, the 2005 hurricane that killed 1,800 people in a disaster made worse by a slow government emergency response.
Trump, facing the first big U.S. natural disaster since he took office in January, signed a disaster proclamation on Friday, triggering federal relief efforts. Abbott said 50 counties had been declared state disaster areas.
Abbott said 1,800 members of the military would help with the statewide cleanup. A further 1,000 people were conducting search-and-rescue operations, and several other states were sending emergency personnel.
Jose Rengel, a 47-year-old construction worker who lives in Galveston, was helping with rescue efforts in Dickinson, Texas, southeast of Houston, where he saw water cresting the tops of cars.
“I am blessed that not much has happened to me, but these people lost everything. And it keeps raining," he said.
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