Flood Zone Ae Definition

Base flood elevations bfes derived from detailed hydraulic analyses are shown in this zone. The 1 percent annual chance flood is also referred to as the base flood or 100 year flood. Zone x is used on new and revised maps in place of zone c x shaded x500 b areas of moderate flood hazard from the principal source of flood in the area.

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Areas of 100 year flood with average depths of less than 1.

Flood zone ae definition.

This area is more commonly referred to as the base flood area or the 100 year flood plain. Zone classifications please print a copy for future reference. Definitions of fema flood zone designations flood zones are geographic areas that the fema has defined according to varying levels of flood risk. Mandatory flood insurance purchase requirements and floodplain management standards apply.

Each zone reflects the severity or type of flooding in the area. Zone b zone x500 areas of 500 year flood. Because flood zone ae is prone to flood property owners with mortgages from federally regulated lenders in these zones must buy flood insurance if they live in a community that participates in the national flood insurance program nfip. Flood insurance is mandatory in all a zones because of the high potential of flooding.

Additionally such localities are considered to have a 26 percent chance of flooding in the course of a 30 year mortgage. A zones the next most volatile of the special flood hazard areas are subject to rising waters and are usually near a lake river stream or other body of water. B x shaded moderate risk areas within the 0 2 percent annual chance floodplain areas of 1 percent annual chance flooding where average depths are less than 1 foot areas of 1 percent annual chance flooding where the contributing drainage area is less than 1 square mile and areas protected from the 1 percent annual chance flood by a levee. Sfhas are labeled as zone a zone ao zone ah zones a1 a30 zone ae zone a99 zone ar zone ar ae zone ar ao zone ar a1 a30 zone ar a zone v zone ve and zones v1 v30.

B x shaded moderate risk areas within the 0 2 percent annual chance floodplain areas of 1 percent annual chance flooding where average depths are less than 1 foot areas of 1 percent annual chance flooding where the contributing drainage area is less than 1 square mile and areas protected from the 1 percent annual chance flood by a levee. National flood insurance program requirements. A zone maps also include ae ah ao ar and a99 designations all having the same rates. These zones are depicted on a community s flood insurance rate map firm or flood hazard boundary map.

Zone c zone x areas determined to be outside 500 year floodplain determined to be outside the 1 and 0 2 annual chance floodplains. X c areas of minimal flood hazard from the principal source of flood in the area and determined to be outside the 0 2 percent annual chance floodplain. Moderate flood hazard areas labeled zone b or zone x shaded are also shown on. 60 3 c zone ae and a1 30 requirements d floodway requirements.