According to longtime residents, thechinook winds can last from two to three hours to several days. At their swiftest, they can travel at over 20 meters per second, filling the air with swirling dust.
據地方耆老表示，落山風有時持續兩、三小時，有時數日不停息，強風速度甚至每秒超過 20 公尺，漫天風沙滾滾狂飆，宛如神鬼小說裡形容的：「一時，妖風四起，飛沙走石，讓人無法直視。」