According to the NWS, the index calculates wind speed at five feet off the ground ... The NWS also has a wind chill calculator. To use the tool, click here. Shelby Fleig and Maia Pandey ...
To measure wind speed and direction, most people turn the traditional cup anemometer and wind vane. Another less-known method is to use an array of ultrasonic transducers, which doesn’t need any ...