
HOUSTON -
Cars and trucks streamed inland and chemical companies buttoned up their plants Thursday as a gigantic Hurricane Ike took aim at the heart of the U.S. refining industry and threatened to send a wall of water crashing toward Houston and Galveston. Nearly 1 million people along the Texas coast were ordered to evacuate ahead of the storm, which was expected to strike late Friday or early Saturday. But in a calculated risk aimed at avoiding total gridlock, authorities told most people in Houston — the nation's fourth-largest city — to just hunker down.
The storm is so big, it could inflict a punishing blow even in those areas that do not get a direct hit. Forecasters warned that because of Ike's size and the state's shallow coastal waters, it could produce a surge, or wall of water, 20 feet high, and waves of perhaps 50 feet. It could also dump 10 inches or more of rain.
“It’s a big storm. I cannot overemphasize the danger that is facing us,” Gov. Rick Perry said at a news conference. "It's going to do some substantial damage. It's going to knock out power. It's going to cause massive flooding."
Ike is huge, taking up nearly 40 percent of the Gulf of Mexico. The National Hurricane Center said tropical storm-force winds of at least 39 mph extended across more than 510 miles, and hurricane-force winds of at least 74 mph stretched for 220 miles. A typical storm has tropical storm-force winds stretching only 300 miles.
Because of its great size, storm surge and gigantic waves are the biggest risk, said Hugh Willoughby, former director of the federal government's hurricane research division. The larger the storm, the longer it hits and the higher waves can build.
Traffic was building on roadways leading away from low-lying areas in Galveston County, and officials urged residents to finish storm preparations quickly. Some gas stations were running out of fuel as residents scurried to leave.
Galveston Mayor Lyda Ann Thomas on Thursday ordered a mandatory evacuation for the entire island on which the city sits. An earlier order had covered just the west side of the island, which is unprotected by a seawall.
“This is a very hard call for me to make but our intent is to save lives,” she said. “We believe it is best for people to leave.”
No shelters in Galveston
She said the city of 60,000 — virtually destroyed by a hurricane in 1900 that killed more than 6,000 people and remains the nation’s worst natural disaster — will not open shelters. She advised those who ignore the order to have supplies like food, water and medicine and to secure their homes.
By midday, lines of cars, buses and trucks crowded onto a bridge to leave the island. Others without transportation waited for buses to carry them to hurricane shelters inland.
"I have been through enough storms not to stick around for big ones," Jeff Henning, who left Galveston County with his family for Florida, told msnbc.com. "I am also well prepared for a return as I know the aftermath is what always wears people down long after the exciting winds have left."
Others hunkered down. Henning said he knew of a family who planned to ride out Ike with other boat owners at a marina boathouse.
And Keith Andrews, a shipyard worker, said that “I’m just going to batten down and not worry about it. If the Lord wants you, he’s going to take you anyway.”
Mandatory evacuations were also ordered for tens of thousands of people in low-lying areas in Harris County, where Houston is located.
“We’re not talking about gently rising water but a surge that could come into your home,” said Harris County Judge Ed Emmett, the county’s chief administrator.
Most of the evacuations were limited to sections outside Houston, as well as nearby bayous and Galveston Bay.
Hoping to avoid the traffic gridlock of three years ago, when Hurricane Rita threatened the area, officials urged the 2 million residents of the city itself and 1 million in other areas of the county to remain at home.
"We are still saying: Please shelter in place, or to use the Texas expression, hunker down," said Emmett. "For the vast majority of people who live in our area, stay where you are. The winds will blow and they'll howl and we'll get a lot of rain, but if you lose power and need to leave, you can do that later."
Other evacuation orders were issued for all of Jefferson and Orange counties, an area home to more than 320,000 people between Houston and the Louisiana state line, and part of San Patricio County farther south.
Jefferson and Orange were two of three Southeast Texas counties that also had mandatory evacuations as Hurricane Gustav approached about two weeks ago. The region suffered major damage during Hurricane Rita in September 2005.
On Wednesday, authorities began moving people with special needs by bus to San Antonio, about 190 miles from Houston.
Houston flights disrupted
In Houston, gleaming skyscrapers, the nation's biggest refinery and NASA's Johnson Space Center lie in areas that could be vulnerable to wind and damaging floodwaters if Ike crashes ashore as a major hurricane.
Flights were also being disrupted. American Airlines is canceling all flights in and out of Houston's Intercontinental airport as of noon Friday and all day Saturday.
Southwest is canceling all flights in and out of Houston's Hobby airport as of Friday morning.
In Tierra Grande, a low-lying rural neighborhood south of Corpus Christi, residents struggled with the cost of evacuation and the strong pull to stay with their homes and animals. Few, if any, appeared to be leaving.
Diana Acevedo said she and her family considered leaving their double-wide trailer, but they had called around and it was too late to find a place to stay. Looking out at a rickety swingset and tricycle in the front yard, Acevedo said they would pick up loose items and perhaps board windows like some of her neighbors.
“I think it’s going to get really bad,” she said. In previous heavy rains, water filled with sewage from flooded septic tanks has lapped near her door, more than two feet off the ground.
About 1 million people live in the coastal counties between Corpus Christi and Galveston.