John Keefe, Steven Melendez and Louise Ma. Follow us @datanews, email us here. Help on the New York flood zone shapefiles from Andrew Hill / Vizzuality.

Based on Nov. 11, 2012 interim data from the FEMA Modeling Task Force Hurricane Sandy Impact Analysis

Coastline inundation zones calculated by the U.S. Army Corps of Engineers using worst-case storm, wave and tide calculations together with elevation data. View the New Jersey hurricane evacuation studies, and the New York state evacuation studies. In New York City, the state zones are superseded by the city's own evacuation zones, which draw from the USACE surveys.

Built with Mapbox & Open Street Maps