Superstorm Sandy

Superstorm Sandy
NASA, MODIS/ LANCE, HDF File Data processed by Supportstorm · Public domain · source
Name	Sandy
Type	Extratropical cyclone / Tropical cyclone
Caption	Satellite imagery of Sandy near landfall
Formed	October 22, 2012
Dissipated	November 2, 2012
Highest winds	115 mph (185 km/h)
Lowest pressure	940 mbar
Areas affected	Jamaica, Cuba, Hispaniola, Bahamas, United States East Coast, Canada, Bermuda
Fatalities	233 total
Damages	$70.2 billion (2012 USD)

Superstorm Sandy was a large and destructive post-tropical cyclone that affected the Caribbean, the Mid-Atlantic, and the Northeastern United States in late October 2012. The storm originated as a tropical system and evolved through complex interactions with a mid-latitude trough, producing record storm surge, extensive flooding, and widespread power outages across urban and coastal areas. Sandy's combination of size, track, and timing near high tide led to severe impacts on infrastructure, transit, and housing in multiple jurisdictions.

Meteorological history

The system developed from a tropical wave east of the Lesser Antilles and underwent tropical cyclogenesis near Jamaica and Cuba, drawing attention from the National Hurricane Center and the Caribbean Public Health Agency. It strengthened to a hurricane while moving northward near The Bahamas and interacted with a blocking ridge over the western Atlantic linked to patterns observed in studies of the Jet stream and North Atlantic Oscillation. A deep mid-latitude trough and an approaching cold front forced extratropical transition as the cyclone recurved toward the United States East Coast, resulting in an expansive wind field documented by the National Weather Service and analyzed in post-storm reports by the National Oceanic and Atmospheric Administration and the European Centre for Medium-Range Weather Forecasts. Sandy's unusual leftward turn into the coast of New Jersey coincided with a rapidly falling central pressure measured similar to historical storms such as the 1954 Great Atlantic Hurricane and the 1938 New England hurricane.

Preparations and warnings

Officials issued escalating advisories from the National Hurricane Center, the National Weather Service, and regional emergency management agencies including the Federal Emergency Management Agency and state-level offices in New York, New Jersey, and Connecticut. Mayors and governors including leaders from New York City, Jersey City, and the state capitals declared states of emergency and coordinated evacuations with transit authorities like the Metropolitan Transportation Authority, the Port Authority of New York and New Jersey, and Amtrak. The United States Navy and the United States Coast Guard secured assets at bases such as Naval Station Norfolk and Coast Guard Sector New York, while utilities including Con Edison and Public Service Enterprise Group prepared crews and mutual aid agreements with entities like the American Public Power Association. Warnings also prompted cancellations by institutions such as the New York Stock Exchange, major league sports organizations including the National Football League and Major League Baseball, and cultural venues like the Metropolitan Opera.

Impact and damage

Sandy produced catastrophic storm surge in the New York metropolitan area, inundating lower Manhattan, parts of Brooklyn, Queens, and Staten Island and overwhelming infrastructure such as the New York City Subway and the PATH network. Coastal communities in New Jersey, including Atlantic City and the Jersey Shore, experienced beachfront erosion, structural failures, and damage comparable to events recorded at Barnegat Bay and Long Beach Island. In the Caribbean, heavy rain and flooding affected populations in Haiti, Dominican Republic, and Cuba with agricultural losses noted by regional agencies. Power outages left millions without electricity across states including Pennsylvania, Massachusetts, and Maryland, complicating recovery in hospitals like Bellevue Hospital and facilities managed by SUNY Downstate Medical Center. Critical infrastructure suffered: petroleum terminals near Bayonne, New Jersey and subway tunnels under the Hudson River recorded severe flooding, and airports including John F. Kennedy International Airport and LaGuardia Airport closed amid cancellations by airlines such as Delta Air Lines and United Airlines.

Response and recovery

Federal response was coordinated by the Federal Emergency Management Agency with support from the United States Department of Homeland Security and deployment of the United States Army Corps of Engineers for coastal protection and debris management. State and municipal rehabilitation involved public works departments from New York City Department of Transportation, New Jersey Department of Transportation, and the Massachusetts Emergency Management Agency, while non-governmental organizations including the American Red Cross, Salvation Army, and Community FoodBank of New Jersey provided emergency shelter, food, and medical assistance. Large-scale philanthropic and reconstruction efforts were undertaken by organizations such as the Robin Hood Foundation, Rockefeller Foundation initiatives, and private firms contracted through agencies like the Federal Emergency Management Agency. Utility restoration leveraged mutual aid coordinated by the North American Electric Reliability Corporation and industry groups including the Edison Electric Institute.

Aftermath and legacy

The storm prompted legislative and policy responses at federal and state levels, influencing resilience initiatives such as New York's Raise the Region proposals and infrastructure investment programs enacted by the United States Congress and state legislatures in New York and New Jersey. Scientific and engineering assessments by institutions including the National Academy of Sciences, the American Society of Civil Engineers, and the Rockefeller Foundation informed updates to building codes and coastal zoning overseen by agencies like the New York City Department of Buildings and the New Jersey Department of Environmental Protection. The event accelerated research on climatology and risk, engaging organizations such as the Intergovernmental Panel on Climate Change, the Scripps Institution of Oceanography, and the Lamont–Doherty Earth Observatory on links between extreme storms, sea level rise, and changes in the Gulf Stream. Cultural and political impacts included debates in media outlets like The New York Times and The Washington Post and campaign discussions involving the United States Senate and the White House about disaster funding and mitigation strategy. Many communities undertook long-term recovery programs involving federal grants administered by the Department of Housing and Urban Development and local planning by agencies such as the New York City Mayor's Office of Recovery and Resiliency.

Category:2012 Atlantic hurricane season Category:2012 in the United States