Patent ID: 8077927

Claim:
A method, comprising: comparing a first flood map to an updated second flood map, said first flood map and said updated second flood map each including flood zones and non-flood zones; determining one or more demarcated areas based on the comparison of the first flood map to the updated second flood map; determining a change identifier to assign to at least one geographic area description associated with a demarcated area of the one or more demarcated areas, wherein the determining includes: assigning the at least one geographic area description an identifier indicating no change; assigning the at least one geographic area description an identifier indicating change in zone if the at least one geographic area description is associated with a demarcated area of the one or more demarcated areas with a change in zone; and assigning the at least one geographic area description an identifier indicating change in risk level status if the at least one geographic area description is associated with at least one demarcated area of the one or more demarcated areas with a change in risk level status; and storing the identifier determined for the at least one geographic area description in a database.