Zone AR: Any region that has a temporarily increased flood risk due to the construction or renovation of flood control systems, such as levees or dams.Zone AO: River or stream flood hazard areas with a 1% or greater chance of flooding each year, often due to sheet flow.Zone AH: Areas with a 1% annual chance of shallow flooding, usually due to ponds or other bodies of water with an average depth of 1 to 3 feet.Zone AE: Regions with a 1% annual chance of flooding and a 26% chance over the life of a 30-year mortgage.Zone C or X (unshaded): Areas with minimal flood risks, such as those that have ponding and/or local drainage problems.Zone B or X (shaded): Refers to regions with moderate flood hazards and base floodplains that may pose a risk to buildings and public property.Here’s a quick breakdown of the key flood zones you should look out for: Moderate- to low-risk areas Each zone has its own level of flood risk and different regulations concerning flood insurance. Base flood elevation: The calculated elevation that floodwaters are anticipated to rise to during a base flood event, also referred to as the “1% annual chance flood” or “100-year flood,” according to FEMA.Īs suggested by their name, flood zone maps are divided into “zones” that reflect the severity or type of flooding common in a given area.Special flood hazard area: Regions that FEMA has identified as having a high risk of flooding and where flood insurance is mandatory.Floodplains: Areas of low-lying ground that are adjacent to a river or other body of water, which makes them more prone to seasonal flooding.Before looking up your neighborhood, it’s important to understand some of the key terms used in flood zone maps, including: In most cases, coastal and low-lying areas have the highest chance of flooding, though extreme weather can threaten homes at every elevation. Flood insurance rate maps (FIRM), known more commonly as flood zone maps, provide an overview of geographic regions and their varying levels of flood risks.
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |