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<br />Zone AE <br /> <br />Zone AE is the flood insurance rate zone that corresponds to the <br />100-year floodplains that are determined in the Flood Insurance <br />Study by detailed methods. Whole-foot base flood elevations <br />derived from the detailed hydraulic analyses are shown at selected <br />intervals within this zone. <br /> <br />Zone AH <br /> <br />Zone AH is the flood insurance rate zone that corresponds to the <br />areas of lOO-year shallow flooding (usually areas of ponding) where <br />average depths are between land 3 feet. Whole-foot base flood <br />elevations derived from the detailed hydraulic analyses are shown <br />at selected intervals within this zone. <br /> <br />Zone AO <br /> <br />Zone AO is the flood insurance rate zone that corresponds to the <br />areas of 100-year shallow flooding (usually sheet flow on sloping <br />terrain) where average depths are between land 3 feet. Average <br />whole-foot depths derived from the detailed hydraulic analyses are <br />shown within this zone. <br /> <br />Zone X <br /> <br />Zone X is the flood insurance rate zone that corresponds to areas <br />outside the 500-year floodplain, areas within the 500-year <br />floodplain, areas of LOO-year flooding where average depths are <br />less than l foot, areas of lOO-year flooding where the contributing <br />drainage area is less than l square mile, and areas protected from <br />the lOO-year flood by levees. No base flood elevations or depths <br />are shown within this zone. <br /> <br />6.0 FLOOD INSURANCE RATE MAP <br /> <br />The Flood Insurance Rate Map is designed for flood insurance and <br />floodplain management applications. <br /> <br />For flood insurance appl leat ions, the map designates flood insurance <br />rate zones as described in Section 5.0 and, in the lOO-year floodplains <br />that were studied by detailed methods, shows selected whole-foot base <br />flood elevations or average depths. Insurance agents use the zones and <br />base flood elevations in conjunction with information on structures and <br />their contents to assign premium rates for flood insurance policies. <br /> <br />For floodplain management applications, the map shows by tints, screens, <br />and symbols, the lOO- and 500-year floodplains, floodways, and the <br />locations of selected cross sections used in the hydraulic analyses and <br />floodway computations. <br /> <br />66 <br />