Respuesta :
A Doppler radar is an instrument that can detect an upcoming tornado. Usually this technology uses a velocity to measure a certain speed of an object that's why it can detect if a tornado is coming if the velocity of an air is getting faster that its normal speed.
Answer: Doppler radar
Explanation:
A Doppler radar is an instrument that can detect an upcoming tornado. Usually, this technology uses a velocity to measure a certain speed of an object that's why it can detect if a tornado is coming if the velocity of air is getting faster than its normal speed.