A screen shot from Atlantic ERMA shows the track of Sandy as it approached landfall in New Jersey. Map shows evacuation zones, real time road closures and weather warnings.
NOAA National Geodetic Survey aerial photography of the same section of Atlantic coast near Sandy Hook, N.J., after Sandy made landfall. Note the obvious the beach erosion and building damage.
NOAA National Geodetic Survey aerial photography showing the derelict tanker John B. Caddell grounded on Staten Island, N.Y., following Sandy. The T/V John B. Caddell is one of the Coast Guard targets for pollution mitigation. Red markers show field photos such as the image seen in the pop-up window in Atlantic ERMA.