In the United States , Hurricane Sandy affected Influence 24 states , including the entire eastern seaboard from Florida to Maine and west across the Appalachian Mountains to Michigan and Wisconsin , with particularly severe damage Damaging in New Jersey and New York .

The hurricane flattened Damaging nearly everything along the coast of the U.S. state of Mississippi , and caused Causation additional flooding and deaths inland while crossing the Appalachian Mountains of Virginia .

After moving Motion inland , the small hurricane Catastrophe curved Motion_directional northeastward and rapidly lost Earnings_and_losses its intensity , merging Cause_to_amalgamate with a frontal system over the southern Appalachian Mountains on August 29 .