Produced by the American Meteorological Socieity. The overall goal of Project Atmosphere is to promote study in science, mathematics, and technology by employing atmospheric topics, information, and data. Part of the Project Atmosphere educational inituitive this video, produced by the American Meteorological Society, explains how Doppler weather radar is employed by the U.S. National Weather Service to detect precipitation and atmospheric motions and to analyze and predict atmospheric and weather conditions. Emphasizes radar imagery interpretation. 23 min.