Hillshade are included in a dropdown menu where the user can turn them on/offĪnd adjust the transparency level. NFHL hazard data, building footprints, and LiDAR colored elevation or grey Measuring tool, address search, USGS Elevation Point Query Service, PLS sectionįinder, and decimal degree Lat-Long locator are provided. Terrain, topographic, or orthophoto imagery base maps. MDEQ will then update the flood hazard data viewed in the MS-NFHL Web MapĬapability of using the flood hazard data with a choice of street maps, shaded Governments and have become effective, FEMA will add the new DFIRM data to the When new Mississippi DFIRM data are adopted by county and local These map data are from Digital Flood Insurance Rate Map (DFIRM) databases and Letters of Map Revision (LOMRs). The NFHL is a computer database that contains the flood hazard map information from FEMA’s Flood Map Modernization program. The flood hazard data used on the MS-NFHL Web Map Viewer is the Mississippi portion of FEMA’s National Flood Hazard Layer (NFHL). Additionally, the MS-NFHL Web Map Viewer is specifically intended to assist city and county floodplain management and building officials in their day to day work activities when quick and easy access to digital flood hazard data is required. The purpose is to provide the public, state, city and county government officials a quick and easy low cost way to view and use FEMA GIS based Digital Flood Insurance Rate Map (DFIRM) data. The MS-NFHL Web Map Viewer is a service provided by the Mississippi Department of Environmental Quality – Office of Geology. We will provide an update when we are once again able to receive and review your information in support of improving the quality of the maps.įor help and further information about the flood maps please use our online form to contact us.Launch Map Viewer - New Javascript Viewer Please note that due to the complex cyber-attack in December 2020 which impacted SEPA internal systems, we are currently unable to review and update our flood maps based on local information or more detailed studies. įor more information, please visit our Frequently Asked Questions. The flood maps are now available as Geographic Information Systems (GIS) datasets under Open Government Licence (OGL) and are available for anyone to use and download from SEPA’s Data Publication webpage. Natural susceptibility to coastal erosion.Flood extent, depth and velocity for river, coastal and surface water.To help the resilience community be better prepared for flood events and provide an expectation about the potential impacts of flooding on our communities.Īs a key tool for flood risk management planning, to identify the most effective actions to manage flood risk and develop plans to tackle flooding. To support decision making in land use planning to avoid development in flood risk areas as a first principle and identify where further assessment of risk may be required. Flood hazard/extent maps for all sources of flooding (river, coastal and surface water)įor planning applicants, developers, planning authorities etc.These maps are a tool to promote an individual’s responsibility for their own flood protection and preparation. To check flood risk and increase awareness and understanding of flooding. To determine which viewer will benefit you, please find information below: We currently have two map viewers available. The flood maps are a public tool and used by a wide variety of people for a range of work. The maps show you areas which are likely to flood from rivers, the sea and surface water. Our flood maps are designed to help you understand how you could be affected by flooding.
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