The national weather service prepares its forecasts and other services in collaboration with agencies like the us geological survey, us bureau of reclamation, us army corps of engineers, natural. Google earth is a popular internet application through which users can view maps. Fema provides access to the nfhl through web mapping services. The fema flood map service center msc is the official public source for flood hazard information produced in support of the national flood insurance program nfip. National weather service advanced hydrologic prediction service ahps weather. This web site provides zipped keyhole markup language.
The national flood hazard layer data can be viewed in femas geoplatform. Are there any areas in east texas that dont flood very. Sea level rise and fema flood insurance city of sausalito. Current and historical flood maps for the united states. The national flood hazard layer nfhl data incorporates all digital flood insurance rate mapdfirm databases published by fema, and any letters of map revision lomrs that have been issued against those databases since their publication date. The gis data and services are designed to provide the user with the ability to determine the flood zone, base flood elevation, and floodway status for. Stay dry stay dry is a focused application that provides basic flood hazard map information from femas national flood hazard layer for a community or an address. The nfhl is a computer database that contains femas flood hazard map data. National flood hazard layer web map service wms in. This web page has information on accessing web map services of the nfhl, including rest, ogc web map service wms, and ogc web feature service wfs protocols.
Using the national flood hazard layer web map service wms. National flood hazard layer nfhl new products and services for femas flood hazard map data moving to digital flood hazard information general distribution of paper products to end on october 1, 2009 fema now distributes paper and digital flood maps. The national flood hazard layer nfhl is a geospatial database that contains the current digital effective flood hazard data. The nfhl is a computer database that contains the flood hazard map information from femas flood map modernization program. The simplest way for you to access the flood hazard data, including the nfhl, is. The data depict flood hazard information and supporting data used to develop the information. These map data are from digital flood insurance rate map dfirm databases. The national flood hazard layer is updated as new data reach their designated effective date and become valid for regulatory use under the nfip. Useful tools only available through the national flood hazard layer see locations of letters of map amendment lomas and letters of map revisions. The national flood hazard layer nfhl data incorporates all flood insurance rate map firm databases published by the federal emergency management agency fema, and any letters of map revision lomrs that have been issued against those databases since their publication date. The national flood hazard layer nfhl is a compilation of gis data that comprises a nationwide digital flood insurance rate map. The national flood hazard layer nfhl contains information used to make flood hazard maps. The national flood hazard layer nfhl what is the national flood hazard layer.
Google earth will open and display the fema nfhl welcome button see area a in figure 1, a map overlay that shows the status of data coverage see area b, and the national flood hazard layer fema folder under temporary places in the placespanel area c. Digital flood maps how to view and use digital firms february 2017. The national flood hazard layer is a computer database that contains femas flood hazard map data. View one, several, or all of the layers available in the application. The federal emergency management agency fema national flood. Stay dry a focused fema application that provides basic flood hazard map information from femas national flood hazard layer for an address. The new release also enables the display of hyperlinks and snippets in the table of contents for kml kmz files. You can view flood hazard zones, cross sections and labels, community names and boundaries, flood insurance rate map firm numbers and boundaries, and letter of map revision. You can use the information to better understand your level of flood risk and type of flooding. The national weather service prepares its forecasts and other services in collaboration with agencies like the us geological survey, us bureau of reclamation, us army corps of engineers, natural resource conservation service, national park service, alert users group, bureau of indian affairs, and many state and local emergency managers across. Stay dry is a focused application that provides basic flood hazard map information from femas national flood hazard. Fema provides the flood hazard data to support the national flood insurance program. It allows you to view flood hazard zones and flood insurance rate map numbers and boundaries.
For help using the national flood hazard layer in these programs or for more information about digital. National flood hazard layer nfhl new products and services for femas flood hazard map data page 1 august 2008 what is the nfhl. National flood hazard layer fema mapping information platform. New products and services for femas flood hazard map data. The data depict effective flood hazard information and supporting data used to develop the information. Fema provides the data for a better understanding of flood risk. The federal emergency management agencys fema flood map service center msc is the official government.
This from the latestnews update from fema fema provides access to the national flood hazard layer nfhl through a web map service named flood, which displays flood hazard. Current effective extracts at the county level can be found at msc. National flood hazard layer nfhl get flood maps and. National flood hazard layer nfhl download seamless. Use the msc to find your official flood map, access a range of other flood hazard products, and take advantage of tools for better understanding flood risk. The most recent nationwide extract of the national flood hazard layer is located here. How to use femas national flood hazard layer minnesota dnr division of ecological and water resources created may 2018. One of the examples in the video below shows the national flood hazard layer nfhl developed by the federal emergency management agency fema and other partners. The data provide users with the ability to determine the flood zone, base flood elevation, and floodway status for a particular geographic location. The layer contains information used to make flood hazard maps. Arcgis web application region 6 flood information portal. National flood hazard layer nfhl moving to digital flood. The best way to access the data in a map is through the nfhl viewer. Click on the hyperlinked layer name in the national flood hazard layer fema folder see the example floodways in area c to open a new window that contains additional information for the layer and, if the layer symbol is not shown in the legend, the symbol used to display the feature.