Irving Lebleu helps Keshia Walker push her car out of a flooded intersection after Hurricane Harvey made landfall on the Texas Gulf coast, in Houston, Texas. Nick Oxford / Reuters
This photo made available by NASA shows Hurricane Harvey over Texas on Saturday, Aug. 26, 2017, seen from the International Space Station. Jack Fischer / NASA via AP
A car is crushed by a huge tree after Hurricane Harvey struck in Rockport, Texas.Rick Wilking / Reuters
Michael Scott uses his smartphone to livestream the rain and storm surge of Hurricane Harvey from the 59th Street rock groin in Galveston, Texa. Jennifer Reynolds / The Galveston County Daily News via AP
Toppled boats hang in the debris of a boat storage facility that was damaged by Hurricane Harvey in Rockport, Texas. Eric Gay / AP Photo
A driver works his way through a maze of fallen utility poles damaged in the wake of Hurricane Harvey in Taft, Texas. Eric Gay / AP Photo
A man looks at boats damaged by Hurricane Harvey in Port Lavaca, Texas. Charlie Riedel / AP Photo
A car abandoned on a coastal highway near Port Lavaca, Texas, rests against debris from Hurricane Harvey. Charlie Riedel / AP Photo
Debris from the charred remains of three Bolivar, Texas, beach cabins, destroyed by a fire that broke out when Hurricane Harvey made landfall, lies on the ground. Fire officials are investigating the cause of the accident. No injuries were reported during the blaze. Guiseppe Barranco / The Beaumont Enterprise via AP
Michael Thomas and his brother Deeantre try to collect belongings in their Saltgrass Landing apartment complex, destroyed by Hurricane Harvey, in Rockport, Texas. Courtney Sacco / Corpus Christi Caller-Times via AP
A damaged car sits outside a heavily damaged apartment complex in Rockport, Texas, after Hurricane Harvey struck the area. Courtney Sacco / Corpus Christi Caller-Times via AP
Lisa Rehr holds her four-year old son Maximus, after they lost their home to Hurricane Harvey, as they await to be evacuated with their belongings from Rockport, Texas. Adrees Latif / Reuters
Irving Lebleu helps Keshia Walker push her car out of a flooded intersection after Hurricane Harvey made landfall on the Texas Gulf coast, in Houston, Texas. Nick Oxford / Reuters
This photo made available by NASA shows Hurricane Harvey over Texas on Saturday, Aug. 26, 2017, seen from the International Space Station. Jack Fischer / NASA via AP
A car is crushed by a huge tree after Hurricane Harvey struck in Rockport, Texas.Rick Wilking / Reuters
Michael Scott uses his smartphone to livestream the rain and storm surge of Hurricane Harvey from the 59th Street rock groin in Galveston, Texa. Jennifer Reynolds / The Galveston County Daily News via AP
Toppled boats hang in the debris of a boat storage facility that was damaged by Hurricane Harvey in Rockport, Texas. Eric Gay / AP Photo
A driver works his way through a maze of fallen utility poles damaged in the wake of Hurricane Harvey in Taft, Texas. Eric Gay / AP Photo
A man looks at boats damaged by Hurricane Harvey in Port Lavaca, Texas. Charlie Riedel / AP Photo
A car abandoned on a coastal highway near Port Lavaca, Texas, rests against debris from Hurricane Harvey. Charlie Riedel / AP Photo
Debris from the charred remains of three Bolivar, Texas, beach cabins, destroyed by a fire that broke out when Hurricane Harvey made landfall, lies on the ground. Fire officials are investigating the cause of the accident. No injuries were reported during the blaze. Guiseppe Barranco / The Beaumont Enterprise via AP
Michael Thomas and his brother Deeantre try to collect belongings in their Saltgrass Landing apartment complex, destroyed by Hurricane Harvey, in Rockport, Texas. Courtney Sacco / Corpus Christi Caller-Times via AP
A damaged car sits outside a heavily damaged apartment complex in Rockport, Texas, after Hurricane Harvey struck the area. Courtney Sacco / Corpus Christi Caller-Times via AP
Lisa Rehr holds her four-year old son Maximus, after they lost their home to Hurricane Harvey, as they await to be evacuated with their belongings from Rockport, Texas. Adrees Latif / Reuters
Irving Lebleu helps Keshia Walker push her car out of a flooded intersection after Hurricane Harvey made landfall on the Texas Gulf coast, in Houston, Texas. Nick Oxford / Reuters