Sign up here to get weekday updates from The Weather Channel and our meteorologists.An anemometer is a tool used to measure ...

Ultrasonic anemometers have no moving parts but come at the cost of significantly more electronic complexity. They work by measuring the time it takes for an ultrasonic audio pulse to be reflected ...

Now that your anemometer is built, it’s time to test it out! Take it outside and let it catch the wind. To measure wind speed ...

Another less-known method is to use an array of ultrasonic transducers, which doesn’t need any moving parts. [Andy] demonstrates building an ultrasonic anemometer using a cheap after-market ...