Special Flood Hazard Area SFHA 13
Special Flood Hazard Area SFHA 13 : This is the area delineated on an NFIP map as being subject to inundation by the 1-percent-annual-chance flood. SFHAs are determined using statistical analyses of records of riverflow, storm tides, and rainfall; information obtained through consultation with a community; floodplain topographic surveys; and hydrologic and hydraulic analyses