What is Radar? Additional information about weather radar. http://www.srh.noaa.gov/jetstream/doppler/how.html http://www.srh.noaa.gov/jetstream/doppler/how.html How does a Radar Work http://www.srh.noaa.gov/jetstream/doppler/how.html http://www.srh.noaa.gov/jetstream/doppler/how.html