NOAA
Noaa: National Weather Service: Jetstream: Doppler Radar
Online school for weather presents a complete guide to learning about Doppler radar. Explore how it works, how it is used on the Web, radar images, and more. A review quiz and lesson plans are included for further enhancement of the topic.
NASA
Nasa: Radar Images
See amazing radar images of Earth taken from the space shuttle orbiting high above the surface. Categories include archeology, geology, volcanoes, and more! Visit the NASA/JPL Imaging Radar Program link for more images and information.