100 Yr Flood (A-A0, 1% annual chance)
This database is an interim version of the Digital Flood Insurance Rate Map (DFIRM) Database. It does not fully meet all DFIRM specifications as found in "Guidelines and Specifications for Flood Hazard Mapping Partners, Appendix L: Guidance for Preparing Draft Digital Data and DFIRM Database". A fully compliant product is expected in 2005. Only data from the following counties are included in this dataset: Adams, Bartholomew, Benton, Blackford, Boone, Brown, Carrroll, Cass, Clark, Clay, Clinton, Crawford, Daviess, Dearborn, Decatur, Delaware, Dubois, Elkhart, Fayette, Floyd, Fountain, Franklin, Fulton, Gibson, Grant, Greene, Hancock, Harrison, Hendricks, Henry, Howard, Huntington, Jackson, Jasper, Jay, Jefferson, Jennings, Knox, Kosciusko, LaGrange, LaPorte, Lawrence, Madison, Marshall, Martin, Miami, Monroe, Montgomery, Morgan, Newton, Noble, Ohio, Orange, Owen, Parke, Perry, Pike, Porter, Posey, Pulaski, Putnam, Randolph, Ripley, Rush, Scott, Shelby, Spencer, Starke, Steuben, St. Joseph, Sullivan, Switzerland, Tippecanoe, Tipton, Unkon, Vermillion, Vigo, Wabash, Warren, Warrick, Washington, Wayne, Wells, White, Whitley. The DFIRM depicts flood risk information and supporting data used to develop the risk data. For flood insurance rating purposes, flood insurance zone designations are assigned to a community based on the results of the engineering analyses. The primary risk classifications used are the 1- percent-annual-chance flood event (FLD_ZONE value like "A*"), the 0.2-percent-annual-chance flood event (FLD_ZONE value = "0.2 PCT ANNUAL CHANCE FLOOD HAZARD") and areas of minimal flood risk (FLD_ZONE = "x"). The DFIRM Database is derived from Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA). The file is georeferenced to earth's surface using the UTM projection and coordinate system. The specifications for the horizontal control of DFIRM data files are consistent with those required for mapping at a scale of 1:12,000.
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