Explanation: Wind vanes are used to measure wind direction. The vane points into the wind. For a more accurate reading, make arrow smaller than video shows (wanted it to be easily seen)!

Sometimes, it’s nice to know how windy it is outside. Knowing the direction of the wind can be a plus, too. To that end, [Sebastian Sokołowski] built himself an unusual anemometer—a wind gauge—to feed ...

Measurement of volcanic gases is critical for both public safety and understanding volcanic activity — and everything we measure relies on the wind. The USGS Hawaiian Volcano Observatory currently ...

At the Met Office, we use a blend of cutting-edge technology and time-tested methods to observe and record the atmosphere’s most important elements. Here’s how we measure sunshine, cloud, visibility ...