Sandy made landfall along the coast of southern New Jersey, the National Hurricane Center said Monday evening.
Even though it has sustained winds of 80 mph, Sandy is no longer considered a hurricane. The center said it reclassified the storm because "Sandy has continued to lose tropical characteristics."
More than 2.2 million customers are without power in 11 states and the District of Columbia, according to data from utility companies.
Storm surge heights of 12.4 feet have been reported at Kings Point, New York, and 7.5 feet in Sandy Hook, New Jersey, the hurricane center reported. When high tide occurs, water levels will be higher.
"This is the most catastrophic event that we have faced and been able to plan for in any of our lifetimes," Connecticut Gov. Dan Malloy said.
Get complete coverage of Hurricane Sandy on CNN.com, CNN TV and CNN Mobile.
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