![]() "Stay Dry" is a focused application that provides basic flood hazard map information from FEMA's National Flood Hazard Layer for an address. kmz files, so please revisit this page occasionally to obtain the latest version. įEMA anticipates future improvements to the. All product options and services are available through FEMA's Map Service Center (MSC) at. In using the NFHL in GIS software, use the NFHL GIS data or NFHL Web Map Service (WMS) or Representative State Transfer This technique is unlikely to work with the kmz files provided below. Some Geographic Information System (GIS) software can import GIS data encoded in the kmz format used for Imagery and other map information displayed with the flood data meet FEMA's standards for map accuracy. If you plan to use mapped flood information displayed in Google Earth for official purposes, insure that This action should start Google EarthĪnd provide the opening view for the application. kmz), and clicking on save.Īfter saving the file, double-click on the file on your computer. Do this by right-clicking on a hyperlinked file name below,Ĭhoosing "Save Target as" (Internet Explorer) or "Save Link As" (Firefox), changing the file name if you wish ( be sure kmz files, first save them to your computer. Performance, please do not open both, and do not have more than one copy of each, in Google Earth at the same time. Each is described below, and each has its own. ![]() įEMA offers two applications: "Stay Dry" and "FEMA NFHL." Stay Dry is more simple and focused. Information about the system requirements needed for your computer to run the software is available through. The starting point for obtaining the software is. You must already have the Google Earth application installed on your computer to use these files. This web site provides zipped Keyhole Markup Language (.kmz) files through which users can view map overlays created from FEMA's National Flood Hazard Layer on Google Earth images. Google Earth is a popular Internet application through which users can view maps. Google Earth version 7.3 or higher must be used for this service. Below are direct links to download the newest kmz version. Effective, the new version (V3.2) incorporates Coastal Barrier Resource System (CBRS) data directly from the authoritative source at the Fish and Wildlife Service (FWS), rather than as a feature in FEMA's NFHL. The previous version of the FEMA NFHL V3.1 file will no longer work properly. Notice: A new version (V3.2) of the Keyhole Markup Language (.kmz) file for viewing the FEMA NFHL overlays in Google Earth has been released. (C is the older designation and X500 is the current designation.)Īn area where flooding is possible but has not been studied.Īn area with a 1% annual chance flooding with velocity hazard due to waves BFEs have are not available.Īn area with a 1% annual chance flooding with velocity hazard due to waves BFEs have are available.Using the National Flood Hazard Layer Web Map Service (WMS) in Google Earth™ (C is the older designation and X500 is the current designation.)Īn area outside the 0.2% and 1% annual chance of flood regions. This is an area that was previously, and will again, be protected from the 1% annual chance flood by a Federal flood protection system whose restoration is Federally funded and underwayĪn area with a 1% annual chance flooding, for which BFEs have been determined.Īn area with at least a 0.2% chance of annual flood or with a 1% annual chance of flood with average depths less that one foot or with drainage area less than one square mile. BFEs are available.Īn area inundated by flooding, for which BFEs or average depths have been determined. BFEs are available.Īn area with a 1% annual chance of flood with flood depths ranging from 1 to 3 feet, generally sheet flow on sloping terrain. Flood ZoneĪn area with a 1% annual chance of flood does not have base flood elevations (BFEs) available.Īn area with a 1% annual chance of flood base flood elevations BFEs are available.Īn area with a 1% annual chance of flood with flood depths ranging from 1 to 3 feet, generally near pond or pooling areas. This value is returned as the fld_zone field from the s_fld_haz_ar layer. The core of the FEMA flood maps API is the "flood zone" that is assigned to each region.
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