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<br />. <br /> <br />. <br /> <br />. <br /> <br />request ofFEMA to assist in the implementation of the National Flood Insurance Program in <br />that state. <br /> <br />State Plane Coordinates-A system of X, Y coordinates defined by the U.S. Geological <br />Survey for each state. Locations are based on the distance from an origin within each state. <br /> <br />Stillwater Flood Elevation (SWEL)-Projected elevation that flood waters would assume, <br />referenced to National Geodetic Vertical Datum of 1929, North American Vertical Datum of <br />1988, or other datum, in the absence of waves resulting from wind or seismic effects. <br /> <br />Stillwater Flood Level (SWFL)-Rise in the water surface above normal water level on the <br />open coast due to the action of wind stress and atmospheric pressure on the water surface. <br /> <br />Structure-For floodplain management purposes, a walled and roofed building, including a <br />gas or liquid storage tank: that is principally above ground, as well as a manufactured home. <br />For flood insurance purposes, a walled and roofed building, other than a gas or liquid storage <br />tank, that is principally above ground and affixed to a permanent site, as well as a <br />manufactured home on a permanent foundation. <br /> <br />Study Contractor (SC)-An architectural and engineering firm or a Federal, State, or local <br />agency that performs flood hazard studies under contract with FEMA. <br /> <br />Subcritical Flow-Flow with a mean velocity that is less than the critical velocity; in other <br />words, tranquil flow. <br /> <br />Summary of Map Actions (SOMA)-A list, generated by FEMA and delivered to the <br />community, that summarizes the LOMAs, LOMR-Fs, and LOMRs that are or will be affected <br />by a physical update to a FIRM. <br /> <br />Supercritical Flow-Flow with a mean velocity that is greater than the critical velocity; in <br />other words, rapid flow. <br /> <br />Tagged Information File Format (TIFF)- The technical exchange format for raster or <br />image meso <br /> <br />Technical Evaluation Contractor (TEC)-See Flood Map Production Coordination <br />Contractor. <br /> <br />Technical Support Data Notebook (TSDN}-The format for the FEMA-maintained me that <br />contains all of the technical and administrative support data for a community for which FEMA <br />published an National Flood Insurance Program map and all revisions to that map. <br /> <br />Technically Incorrect Base Flood Elevations (BFEs)fDepths-Those BFEs and base flood <br />depths determined through analyses in which the methodologies used have not been applied <br /> <br />. <br /> <br />TERMS-24 <br /> <br />CTPCOOfJr'lafrng <br />TecIJllJc.11 <br />PartnclS <br />