Graphic shows the population density of areas projected to get more than two inches of rain from the superstorm. (Source: Associated Press)
Hurricane Sandy is churning off the East Coast and is expected to join up with two other weather systems to create a huge and problematic storm affecting 50 million people. Here's a snapshot of what is happening or expected, state by state.
The storm lashed barrier islands off North Carolina and rendered several homes and businesses nearly inaccessible. About 90 miles off the coast, a tall ship carrying 17 people was in distress; the Coast Guard was monitoring.
The number of power outages increased quickly in a state where utilities' response to past weather-related failures has become a political issue. Connecticut Light & Power says hundreds of customers are without power. Gov. Dannel P. Malloy asked a task force to ensure fuel suppliers are fully stocked. Many residents along Long Island Sound heeded warnings and evacuated.
Hundreds of people fled to shelters as rough surf pounded the coast. Water covered some roads.
Snow is expected in mountainous areas.
Officials predict coastal flooding and beach erosion, and utility crews have been brought in from Canada to handle anticipated power failures.
Baltimore is opening six shelters; several city intersections are closed because of flooding threats. Early voting, which began Saturday and was to run through Thursday, was canceled for Monday.
Utilities brought in crews from as far away as Texas and the Midwest to cope with anticipated power failures. Most schools and colleges have canceled classes. The Boston transit authority said it would continue to operate as long it was safe.
Gov. John Lynch put 100 National Guard soldiers on active duty to help with preparations. Two shelters are being set up, and some schools have closed.
Sandy's center is expected to make landfall in New Jersey late Monday. By daybreak, thousands of homes and businesses were without electricity. Thousands of people evacuated low-lying areas, and many inland towns hit by flooding from storm Irene last year issued evacuation orders.
Many residents left low-lying flood evacuation zones, and the subway system shut down Sunday night. A storm surge of 11 feet is possible, the highest of all coastal areas being hit by Sandy. The New York Stock Exchange and other U.S. financial markets shut down for at least the day. Thousands of flights were canceled at the city's major airports.
Residents of low-lying areas and along Lake Erie were told to watch for flooding; utilities are anticipating high winds that could blow down trees and poles. Snow is forecast in some areas.
Many schools closed. Philadelphia shut down its mass transit system, and hundreds of flights were canceled at the city's airport. Dozens of people took shelter at evacuation centers. Thousands of members of the National Guard have been told to be ready for deployment.
Several communities have ordered mandatory evacuations and many schools closed for the day. Big waves are expected to cause flooding along Narragansett Bay, which bisects the state. Authorities told people to be prepared for long periods without power.
Snow is expected in higher elevations, where a freeze warning has been issued. High winds are expected in many areas.
About 2,000 customers lacked power, and a utility said as many as 1 million could ultimately lose electricity. Many residents of Chincoteague Island, popular with tourists, shrugged off the idea of evacuation.
Gov. Peter Shumlin declared a state of emergency to provide access to National Guard troops in a state still recovering from the devastating effects of the remnants of Hurricane Irene. Culverts and storm drainage basins in some spots have been cleared of debris.
The capital area's transit system shut down rail service for the first time since 2003, and the Smithsonian Institution closed for the day.
As much as 2 to 3 feet of snow was forecast in mountainous areas, and flooding was possible in some areas. Several shelters were put on standby, and power crews were mobilized to handle potential failures.
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