On a Doppler radar screen, a tornado might appear as a region of ____.
A) low pressure
B) intense precipitation
C) rapidly changing wind directions
D) intense lightning activity

Question

Quizplus · Accepted Answer

Doppler radar is specifically designed to detect the motion of rain droplets in addition to intensity of the precipitation. A tornado would appear as a region of rapidly changing wind directions due to its rotating nature, which Doppler radar can detect by observing the shift in frequency of the returned signal.

On a Doppler Radar Screen, a Tornado Might Appear as a Region