What do meteorologists use to estimate precipitation?

Meteorologists rely on Doppler radar and rain gauges to estimate precipitation effectively. Doppler radar is a vital tool that uses the Doppler effect to detect not only the location and intensity of precipitation but also its movement and speed. This allows meteorologists to track storms in real time, providing critical information on the expected rainfall amounts and timing.

Rain gauges serve as direct measurement tools that collect and measure the amount of precipitation that falls in a specific area over a defined period. This data can then be used to validate the estimates provided by Doppler radar, ensuring accuracy in reporting and forecasting.

In contrast, other options involve instruments that do not directly contribute to measuring precipitation. Satellite images can help visualize cloud cover and large weather patterns, while temperature charts and barometers focus on atmospheric pressure and temperature changes. Humidity sensors and anemometers measure moisture in the air and wind speed, respectively, but they do not provide direct information about precipitation levels.