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| A car dealership is covered by Hurricane Harvey floodwaters near Houstonm |
Tropical Storm Harvey bore down on Louisiana on Wednesday, pouring down more water after setting rainfall records in Texas that caused catastrophic flooding and paralysed the US energy hub of Houston.
The storm that first came ashore on Friday as the most powerful hurricane to hit Texas in more than 50 years has killed at least 17 people and forced tens of thousands to leave their deluged homes.
Damage has been estimated at tens of billions of dollars, making it one of the costliest US natural disasters.
There is some relief in sight for Houston, the fourth most populous US city, with forecasters saying five days of torrential rain may come to an end as the storm picks up speed and leaves the Gulf of Mexico region later in the day.
Harvey made landfall early Wednesday and was about 32 miles (52 km) south of Lake Charles, Louisiana. It was expected to bring an additional 3 to 6 inches (7.5 to 15.24 cms) of rain to an area about 80 miles east of Houston as well as southwestern Louisiana, where some areas have already seen more than 18 inches of rain.
Several hundred people had already been rescued from their homes in Lake Charles, Louisiana, where floodwaters were knee-deep in places, Mayor Nic Hunter told CNN.
โWe are a very resilient people down here. We will survive. We will take care of each other down here in Texas and Louisiana,โ Hunter said. โBut we do need some help from the federal government, these homeowners and these people who have been displaced. Thatโs going to be our biggest need.โ
Harvey is projected to weaken as it moves inland to the northeast, the National Hurricane Center said.
โWe arenโt going to be dealing with it for too much longer. Itโs going to pick up the pace and get out of here,โ said Donald Jones, a meteorologist at the National Weather Service in Lake Charles.
But nearly a third of Harris County, home to Houston, was under water, an area 15 times the size of Manhattan, according to the Houston Chronicle newspaper. It may take days for all flood waters, which have spilled over dams and pushed levees to their limits, to recede, local officials said.
City officials were preparing to temporarily house some 19,000 people, with thousands more expected to flee. As of Wednesday morning, state officials said close to 49,000 homes had suffered flood damage, with more than 1,000 destroyed.
Houston Mayor Sylvester Turner imposed a curfew from 12am to 5am amid reports of looting, armed robberies and people impersonating police officers.
US President Donald Trump visited Texas on Tuesday to survey damage from the first major natural disaster to test his crisis leadership. The president said he was pleased with the response, but too soon for a victory lap.
โWe wonโt say congratulations,โ he said. โWe donโt want to do that โฆ Weโll congratulate each other when itโs all finished.โ
Moodyโs Analytics is estimating the economic cost from Harvey for southeast Texas at $51 billion to $75 billion.
The storm has affected nearly one-fifth of US refining capacity, sparking concerns about gasoline supply. The national average gasoline price rose to $2.404 a gallon, up six cents from a week ago, with higher spikes in Texas.
The unprecedented flooding has left scores of neighborhoods in chest-deep water and badly strained the dams and drainage systems that protect the low-lying Houston metropolitan area whose economy is about as large as Argentinaโs.
The National Weather Service has issued flood watches and warnings that stretch from the Houston area into Tennessee.
DIED TRYING TO RESCUE PEOPLE
Harvey has drawn comparisons with Hurricane Katrina, which devastated New Orleans 12 years ago, killing more than 1,800 people and causing an estimated $108 billion in damage.
Among the confirmed fatalities was Houston Police Sergeant Steve Perez, a 34-year veteran of the force who drowned while attempting to drive to work on Sunday.
In Beaumont, northeast of Houston, a woman clutching her baby daughter was swept away in raging flooding. The baby was saved but the mother died, Beaumont police said.
Ruben Jordan, a retired high school football coach died when he was helping rescue people trapped in high water, the Clear Creek Independent School District said.
In all, 17 people have perished, according to government officials and the Houston Chronicle. Four volunteer rescuers also went missing after their boat was swept in a fast-moving current, local media reported.
US Coast Guard helicopters and boats have rescued more than 4,000 people. Thousands of others have been taken to safety by police, rescue workers and citizen volunteers who brought their boats to help, local officials said.
The National Hurricane Center on Tuesday afternoon said a record 51.88 inches (131.78 cm) of rain had fallen in Texas due to Harvey, a record for any storm in the continental United States.
This breaks the previous record of 48 inches set during tropical storm Amelia in 1978 in Medina, Texas, the NHC said. Medina is west of San Antonio. The island of Kauai was hit with 52 inches of rain from tropical cyclone Hiki in 1950, before Hawaii became a US state.
