Weather Tidbits: Wind Instruments
Multiple wind instruments are explored in this Weather Tidbits. The oldest but still reliable instrument is the wind vane; which consists of a long arrow with a tail which moves freely about a vertical post and always point into the wind giving the direction. The wind sock has cone shaped bag is opened at both ends, so that it extends horizontally as wind blows while sitting near the runaway. It is commonly used at airports. The anemometer which measures wind speed and consists of 3 hemispherical cups mounted on a vertical shaft. Lastly, an aerovane or skyvane, indicates both wind speed and direction.