Reflectivity 2 : The measure of the efficiency of a radar target in intercepting and returning Electro Magnetic Energy. Reflectivity depends upon the size, shape, aspect and dielectric properties at the surface of the target
National Weather Service NWS Forecast Office, National Oceanic and Atmospheric Administration NOAA, SH Manual, Glossary of Hydrologic Terms, Washington, DC, USA 2015. http://www.nws.noaa.gov/om/hod/SHManual/SHMan014_g lossary.htm, (HydroI - Amer) {889}