SHIP BOTTOM, New Jersey (AP) — Tens of thousands of people were ordered to evacuate coastal areas Sunday as big cities and small towns across the U.S. Northeast braced for the onslaught of a superstorm threatening some 60 million people along the most heavily populated corridor in the nation.
"The time for preparing and talking is about over," Federal Emergency Management Administrator Craig Fugate warned as a monster Hurricane Sandy headed up the Atlantic Coast on a collision course with two other weather systems. "People need to be acting now."
New York City announced its subways, buses and trains would stop running Sunday night, and its 1.1 million-student school system would be closed on Monday. Mayor Michael Bloomberg also ordered the evacuation of part of lower Manhattan and other low-lying neighborhoods.
"If you don't evacuate, you are not only endangering your life, you are also endangering the lives of the first responders who are going in to rescue you," Bloomberg said. "This is a serious and dangerous storm."
Tens of thousands of people along the coast in Delaware, New Jersey, Connecticut and other threatened areas were also under orders to clear out because of as much as a foot (30 centimeters) of rain, punishing winds of 80 mph (130 kph), and a potentially deadly tidal surge of 4 to 8 feet (1.2 to 2.4 meters).
Sandy was headed north from the Caribbean, where it left at least 65 people dead, mostly in Haiti, and was expected to hook left toward the mid-Atlantic coast and come ashore late Monday or early Tuesday, most likely in New Jersey, colliding with a wintry storm moving in from the west and cold air streaming down from the Arctic.
Forecasters warned that the resulting megastorm could wreak havoc over 800 miles (1,300 kilometers)from the East Coast to the Great Lakes. Parts of West Virginia, Virginia, Kentucky and North Carolina could get snow — 2 feet (60 centimeters) or more in places.
The danger was hardly limited to coastal areas, with worried about inland flooding. They also warned that the rain could saturate the ground, causing trees to topple onto power lines and cause blackouts that could last for several days.
States of emergency were declared from North Carolina, where gusty winds whipped steady rain on Sunday morning, to Connecticut. Delaware ordered 50,000 people in coastal communities to clear out by 8 p.m. Sunday.
Officials in New York City were particularly worried about the possibility of subway flooding. The city closed the subways before Hurricane Irene last year, and a Columbia University study predicted that an Irene surge just 1 foot (30 centimeters) higher would have paralyzed lower Manhattan.
Sandy was at Category 1 strength, packing 75 mph (120 kph) winds, about 250 miles (400 kilometers) southeast of Cape Hatteras, North Carolina, and moving northeast at 14 mph (22.5 kph) as of 11 a.m. (1500 GMT) Sunday, according to the National Hurricane Center in Miami. It was about 575 miles (925 kilometers) south of New York City.
The storm was expected to continue moving parallel to the Southeast coast most of the day and approach the coast of the mid-Atlantic states by Monday night, before reaching southern New England later in the week.
The storm was so big, however, and the convergence of the three storms so rare, that "we just can't pinpoint who is going to get the worst of it," said Rick Knabb, director of the National Hurricane Center in Miami.
Bobbie Foote said she would heed an evacuation order Sunday for south Wilmington, Delaware, and would take shelter at her daughter's home in nearby Newark.
"My daughter insists that I leave this time," said Foote, a 58-year-old fitness coach. It will be the first time she has fled a storm threatening the apartment building that has been her home for at least 40 years in the working-class neighborhood near the Delaware River.
Foote said she stayed last year when flooding from the remnants of Hurricane Irene blocked streets at either end of the neighborhood. She said her daughter wouldn't stand for her getting trapped that way again.
"She said I should never put myself in that predicament where I cannot get in or out of where I live," Foote said.
Amtrak began canceling passenger train service Saturday night to parts of the East Coast, including between Washington and New York. Airlines started moving planes out of airports to avoid damage and added Sunday flights out of New York and Washington in preparation for flight cancellations on Monday.
The Virginia National Guard was authorized to call up to 500 troops to active duty for debris removal and road-clearing, while homeowners stacked sandbags at their front doors in coastal towns.
President Barack Obama was monitoring the storm and working with state and locals governments to make sure they get the resources needed to prepare, administration officials said.
In North Carolina's Outer Banks, there was some scattered, minor flooding at daybreak Sunday on the beach road in Nags Head. The bad weather could pick up there later in the day, with the major concerns being rising tides and pounding waves.
In New Jersey, hundreds of coastal residents started moving inland.
Gov. Chris Christie's emergency declaration will force the shutdown of Atlantic City's 12 casinos for only the fourth time in the 34-year history of legalized gambling there. City officials said they would begin evacuating the gambling hub's 30,000 residents at noon Sunday, busing them to mainland shelters and schools.
The storm also forced the presidential campaign to juggle schedules. Romney scrapped plans to campaign Sunday in Virginia and switched his schedule for the day to Ohio. First lady Michelle Obama canceled an appearance in New Hampshire for Tuesday, and Obama moved a planned Monday departure for Florida to Sunday night to beat the storm. He also canceled appearances in Northern Virginia on Monday and Colorado on Tuesday.
Witlet Maceno, an emergency room nurse working at New York City's Mount Sinai Hospital, was headed home to Staten Island on Sunday morning after his overnight shift. He said he was going home to check on his parents, visiting from Atlanta, before he returned to work Sunday evening.
"I'm making sure they're OK, that they have water and food, and that the windows are shut tight," he said. "And I'm going to remove stuff outside that could go flying into the windows" of his street-level apartment.
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Breed reported from Raleigh, North Carolina. Contributing to this report were AP Science Writer Seth Borenstein in Washington; Emery Dalesio in Nags Head, North Carolina.; Verena Dobnik, Karen Matthews and Samantha Bomkamp in New York; Randall Chase in Lewes, Delaware.; Dave Dishneau in Wilmington, Delaware; Jessica Gresko in Arlington, Virginia; and Nancy Benac in Washington.