![]() For more information on using the data in Google Earth™, please see Using the National Flood Hazard Layer Web Map Service (WMS) in Google Earth™. To do so, you will need GIS or mapping software that can read data in shapefile format.įEMA also offers a download of a KMZ (keyhole markup file zipped) file, which overlays the data in Google Earth™. A map showing the City of Naples FEMA DFIRM Flood Zones and the existing FEMA Flood Zones. This data can be used in most GIS applications to perform spatial analyses and for integration into custom maps and reports. ![]() ![]() Using the “Search All Products” on the MSC, you can download the NFHL data for a County or State in a GIS file format. The DFIRM Database consists of community based vector files and associated attributes produced in. You can also use the address search on the FEMA Flood Map Service Center (MSC) to view the NFHL data or download a FIRMette. The National Flood Hazard Layer (NFHL) data incorporates all Digital Flood Insurance Rate Map (DFIRM) databases published by FEMA, and any Letters Of Map Revision (LOMRs) that have been issued against those databases since their publication date. For more information on available services, go to the NFHL GIS Services User Guide. A floodplain is the part of the land where. The inland high-risk zones will be labeled A or AE, and coastal high-risk zones that have additional risk from storm surge will be labeled VE. Technical GIS users can also utilize a series of dedicated GIS web services that allow the NFHL database to be incorporated into websites and GIS applications. Flood hazard maps, also called Flood Insurance Rate Maps or FIRMs, are used to determine the flood risk to your home or business. These areas have a 26 chance of flooding over the life of a 30year mortgage. In the NFHL Viewer, you can use the address search or map navigation to locate an area of interest and the NFHL Print Tool to download and print a full Flood Insurance Rate Map (FIRM) or FIRMette (a smaller, printable version of a FIRM) where modernized data exists. River or stream flood hazard areas, and areas with a 1 or greater chance of shallow flooding each year, usually in the form of sheet flow, with an average depth ranging from 1 to 3 feet. Or you you may view, download, and print current local digital effective flood hazard data in an ArcGIS map.
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