For those who are avid users of the NWS radar software, (and those using GR3), the NWS now has a Google map version which includes the new radar display (TDWR). You can read about and see it here: http://www.erh.noaa.gov/er/iln/TDWRCaseStudy1/New%20Doppler%20Ridge%202%20Radar%20Display.htm
Mike