3 datasets found

Tags: flood risk floods

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  • USGS WaterAlert

    Real-time data from USGS monitoring locations are transmitted via satellite or other telemetry to USGS offices at various intervals; in most cases, once every hour. Emergency...

  • FEMA National Flood Hazard Layer (NFHL) Viewer

    The National Flood Hazard Layer (NFHL) is a geospatial database that contains current effective flood hazard data. FEMA provides the flood hazard data to support the National...

  • FEMA Flood RISK Maps

    Flood risk can also change over time because of new building and development, weather patterns and other factors. Although the frequency or severity of impacts cannot be...