![]() ![]() ![]() AR: The base floodplain that results from the decertification of a previously accredited flood protection system that is in the process of being restored to provide a 100-year or greater level of flood protection.Base flood depths (feet above ground) are provided. AO: The base floodplain with sheet flow, ponding or shallow flooding. First, let’s understand what AE-Zones are as a whole.AE Zone delineations are now used on new format FIRMs instead of A1-A30 Zones. AE: The base floodplain where base flood elevations are provided.This is the base floodplain where the FIRM shows a base flood elevation (old format). A1-A30: These are known as numbered A Zones (e.g., A7 or A14).o Your property sustained repetitive damage, meaning flood damage has occurred twice in the past 10 years, and the cost of repairing the flood-damage, on average, equaled or exceeded 25 percent of the property market value at the time of each flood. This is often called an unnumbered A Zone or an approximate A Zone. o This can pay all or part of the cost to elevate your home to the current Base Flood Elevation. A: The base flood mapped by approximate method, i.e., base flood elevations is not provided.Zone "A" (and its sub-designations: AE, AH, AO and A1-A99).Some zones have multiple sub-designations, as follows: If FEMA did not allow for some increase in flood stage when designating a floodway, the floodway could comprise most of the floodplain and development in the floodplain would be severely limited. There are six (6) flood zone designations. flood heights and increased flood damages. ![]()
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