Input (grade 10): A weather radar, or weather surveillance radar (WSR), is a type of radar used to locate precipitation, calculate its motion, estimate its type (rain, snow, hail, etc.), and forecast its future position and intensity.
Output (grade 5): A weather radar is a type of radar used to show where precipitation is. Weather radar can tell the movement of precipitation, what type it is (rain, snow, hail, etc.), and forecast its future.