flood map

plural flood maps · alternative floodmap

1. A map showing how an area would look in case of flooding, or rising sea levels.

   1 more example

   In New York City, property owners seeking to rebound from the storm will have to feel their way through a wilderness of new flood maps, revamped building codes and land-use ordinances, along with a host of other measures addressing the specific needs of storm-battered communities — all of which have yet to be hammered out and adopted.

   2012 December 21, David M. Halbfinger, Charles V. Bagli, Sarah Maslin Nir, “On Ravaged Coastline, It’s Rebuild Deliberately vs. Rebuild Now”, in New York Times