![]() ![]() Separated from the ocean by a ridge at least 20 meters (66 feet) above MHHW, in which case they are shownĪreas using lidar-based elevation data: U.S. Quality issues and data limitations, all areas below the selected level are shown as solid blue, unless That level are shown in a stippled green (as opposed to solid blue) on the map. Within the U.S., areas below the selected water level but apparently not connected to the ocean at Threshold-based “bathtub method” is then applied to determine areas below different water levels, relative They are expressed relative to local high tide lines (Mean Higher High Water, or MHHW). This map is based on analysis of digital elevation models mosaicked together for near-total coverage of the The Atlantic Cities named it the most important map of 2012.īoth the Risk Zone map and the Risk Finder are grounded in peer-reviewed science. Other stories, and in testimony for the U.S. This web tool was highlighted at the launch of The White House's Climate Data Initiative in March 2014. extend to over 100 demographic, economic, infrastructure andĮnvironmental variables using data drawn mainly from federal sources, including NOAA, USGS, FEMA, DOT, Include land and population, and in the U.S. That provides local projections and assessments of exposure to sea level rise and coastal flooding tabulatedįor many sub-national districts, down to cities and postal codes in the U.S. The accompanying Risk Finder is an interactive data toolkit available for some countries It provides the ability to search by location name or postal code. Outside the U.S., it utilizes satellite-basedĮlevation data from NASA in some locations, and Climate Central’s more accurate CoastalDEM in others Social vulnerability, population density, and property value. See Sources), displays points of interest, and contains layers displaying High-resolution, high-accuracy lidar elevation data supplied by NOAA (exceptions: Within the U.S., it incorporates the latest, Or to permanent submersion by long-term sea level rise. ![]() There are many areas in Larimer County that are not shown within a regulated floodplain but have undetermined flood hazards.Introduction | Methods and Qualifiers | Data Layers | Sources | Services | Team | Special Thanks | Site Credits | Legal IntroductionĬlimate Central’s Surging Seas: Risk Zone map shows areas vulnerable to near-term floodingįrom different combinations of sea level rise, storm surge, tides, and tsunamis, Keep in mind that even if your property is not shown in a regulatory floodplain, it does not mean that there is no risk of flooding. Section 4 - Floodplain Map & Flood Zones of the Floodplain Development Guide includes a list of flood zone descriptions and typical floodplain regulations that apply within them. There are several flood zones which may apply for your property. You can compare this to the current floodplain for your property by checking the “FEMA Floodplain (Current Effective)” on or off. Check the box next to “2021 FEMA (Preliminary)” to see the preliminary floodplain layer for your area. Scroll down to the “Floodplain” layer.Click the “Layer List” icon near the top left of the screen. ![]() Click the “Flood” button near the top of the screen if floodplain information is not already displayed.Click the appropriate parcel from the list and the map will zoom into your property. The search results will appear on the left side of the screen. Type your address in the search bar at the top right of the screen, click the search icon.Click the “Online Floodplain Map - Larimer County Land Information Locator” button near the top of the screen.Navigate to the Larimer County Floodplain website at.To view the floodplain information for your property using the County's interactive map, follow the steps below: Floodplain areas designated by FEMA on the Flood Insurance Rate Maps (FIRMS) are also available online through FEMA’s Map Service Center. To help determine if your property is within a regulatory floodplain, you can contact the Larimer County Engineering Department or view the floodplain boundaries via the County’s interactive map. ![]()
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