Areas of 100 year flood with average depths of less than 1.
Flood zone ae definition.
Moderate flood hazard areas labeled zone b or zone x shaded are also shown on.
Zone classifications please print a copy for future reference.
Base flood elevations bfes derived from detailed hydraulic analyses are shown in this zone.
A zone maps also include ae ah ao ar and a99 designations all having the same rates.
60 3 c zone ae and a1 30 requirements d floodway requirements.
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.
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.
Zone b zone x500 areas of 500 year flood.
Zone c zone x areas determined to be outside 500 year floodplain determined to be outside the 1 and 0 2 annual chance floodplains.
This area is more commonly referred to as the base flood area or the 100 year flood plain.
Each zone reflects the severity or type of flooding in the area.
The 1 percent annual chance flood is also referred to as the base flood or 100 year flood.
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.
Additionally such localities are considered to have a 26 percent chance of flooding in the course of a 30 year mortgage.
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.
Mandatory flood insurance purchase requirements and floodplain management standards apply.
These zones are depicted on a community s flood insurance rate map firm or flood hazard boundary map.
Definitions of fema flood zone designations flood zones are geographic areas that the fema has defined according to varying levels of flood risk.
Flood insurance is mandatory in all a zones because of the high potential of flooding.