What are the Characteristics of Wind Wind has two important characteristics—direction and speed. The direction of wind can be gauged using an instrument called the wind vane. It is also called a weather vane. Every wind vane has two parts, the front and the rear. A very common shape for a wind vane is the shape of an arrow. The tip of the arrow is the ‘front’, and the tail of … [Read more...] about What are the Characteristics of Wind