Large, low-pressure systems, such as tropical cyclones, have cyclonic rotation. Small scale rotating atmospheric features, such as tornadoes, water spouts, and dust devils can have either anticyclonic or cyclonic rotation, since the direction of their spin depends on local forces rather than the Coriolis effect.
Large, low-pressure systems, such as tropical cyclones, rotate in a cyclonic manner. Small-scale rotating atmospheric features like tornadoes, water spouts, and dust devils can exhibit either anticyclonic or cyclonic rotation based on local forces rather than the Coriolis effect.