Flood Zone Code Ae Meaning

Fema also assigns a base flood elevation (bfe) to zone ae areas. Area inundated by the base flood with flood depths of 1 to 3 feet (usually areas of ponding); An area where a dam or levee provided flood protection but is currently under restoration.

Flood zone ah includes areas of ponding from larger bodies of water, given the designation a 1 percent chance of annual flooding and a 25 percent chance of at least one flood every 30 years with an average depth of 1 foot to 3 feet. When you see an a in front of your fema zone it means there is a 1% chance each year of severe flooding and, therefore, are deemed ‘high risk’ areas by fema (federal emergency management agency) and nfip (national flood insurance program). A few are in the ve flood zone.

C and x (unshaded) area of minimal flood hazard, usually depicted on firms as above the 500‐year flood level.

Ae flood zones are areas that present a 1% annual chance of flooding. They are shown as a series of zones. These regions are clearly defined in flood insurance rate maps and are paired with detailed information about base flood elevations. Flood insurance is mandatory in all a zones because of the high potential of flooding.