Photos: Eastern US Braces For Superstorm Sandy

A news crew wades through sea foam blown onto Jeanette’s Pier in Nags Head, N.C., Sunday, Oct. 28, 2012 as wind and rain from Hurricane Sandy move into the area. Governors from North Carolina, where steady rains were whipped by gusting winds Saturday night, to Connecticut declared states of emergency. Delaware ordered mandatory evacuations for coastal communities by 8 p.m. Sunday. (AP Photo/Gerry Broome)

According to the  National Oceanic and Atmospheric Administration, Sandy could be the largest storm to hit the United States.

Tens of millions of East Coast residents are preparing themselves for the monster storm. 

New York and other big cities closed their transit systems and schools and ordered residents of low-lying areas to evacuate.

The New York Stock Exchange will close its trading floor on Monday for the first time since Hurricane Gloria in 1985.

High winds blow sea foam into the air as a person walks across Jeanette’s Pier in Nags Head, N.C., Sunday, Oct. 28, 2012, as wind and rain from Hurricane Sandy move into the area. (AP Photo/Gerry Broome)

Storm waves from Hurricane Sandy in Ocean City, New Jersey, October 28, 2012. The popular boardwalk in this resort town has dozens of businesses facing the ocean and is expected to get the full brunt of the storm when it hits land sometime Monday. Hurricane Sandy could be the biggest storm to hit the United States mainland when it comes ashore on Monday night, bringing strong winds and dangerous flooding to the East Coast from the mid-Atlantic states to New England, forecasters said on Sunday. REUTERS/Tom Mihalek

Ocean water rolls over state highway NC 12 in Buxton, N.C., on Hatteras Island at dawn on Sunday, Oct. 28, 2012, as Hurricane Sandy works its way north, battering the U.S. East Coast. (AP Photo/The Virginian-Pilot, Steve Earley)

New York Stock Exchange workers place sand bags in front of doors and over electrical vaults at the exchange in New York October 28, 2012. The New York Stock Exchange placed sand bags around the perimeter of the building and announced they will close on Monday in preparation for the arrival of Hurricane Sandy. REUTERS/Carlo Allegri

Utilities and state road workers monitor the situation on Virginia Dare Trail as rain and wind from Hurricane Sandy engulf the beachfront road in Kill Devil Hills, N.C., Sunday, Oct. 28, 2012. 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. (AP Photo/Gerry Broome)

Police make a final sweep of the subway at Times Square in New York October 28, 2012. Hurricane Sandy, which could become the largest storm ever to hit the U.S., is set to bring much of the East Coast, including New York and Washington, to a virtual standstill in the next few days with battering winds, flooding and the risk of widespread power outages. New York and other cities and towns closed their transit systems and schools and ordered residents of low-lying areas to evacuate before a storm surge that could reach as high as 11 feet (3.4 meters). REUTERS/Carlo Allegri

A Metropolitan Transportation Authority (MTA) employee tapes off the turnstiles to bar access to the subway in New York October 28, 2012. Hurricane Sandy, which could become the largest storm ever to hit the U.S., is set to bring much of the East Coast, including New York and Washington, to a virtual standstill in the next few days with battering winds, flooding and the risk of widespread power outages. New York and other cities and towns closed their transit systems and schools and ordered residents of low-lying areas to evacuate before a storm surge that could reach as high as 11 feet (3.4 meters). REUTERS/Carlo Allegri

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Pictures-US East Coast Prepares For Hurricane Earl

Jay Farley, top, installs covers to a homeowner's oceanfront window as Jason Wheeler, bottom, looks on as Hurricane Earl heads toward the eastern coast in Atlantic Beach, N.C., Wednesday, Sept. 1, 2010. (AP Photo/Chuck Burton)

Will Hurricane Earl hit the USA?

If it does, it is going to be disaster because Earl is a powerful Category 4 storm.

People disembark from the ferry at Swan Quarter, N.C. after being evacuated from Ocracoke Island as Hurricane Earl approaches the Outer Banks on Sept. 1, 2010. CHRIS SEWARD - cseward@newsobserver.com

Tourist started to evacuate Hatteras Island and Ocracoke Island and tourists were largely gone from North Carolina’s Outer Banks.

A ferry leaving Hatteras, N.C., Wednesday, Sept. 1, 2010. (AP Photo/Gerry Broome)

The governors of North Carolina, Virginia and Maryland declared states of emergency.

Emergency officials on Cape Cod braced for their first major storm since

Bob brought winds of up to 100 mph to coastal New England in August 1991.

Preparing for the Category 4 storm  as Hurricane Earl heads toward the eastern coast in Atlantic Beach, N.C., Wednesday, Sept. 1, 2010. (AP Photo/Chuck Burton)