弓状回波前进方向的左侧和右侧气旋式旋转和反气旋式旋转，决定着未来强对流天气发展加强和减弱消散的方向。
The left and right cyclone and anticyclone rotation of the bow echo on its forward way decides the direction of developing or decreasing of the future strong convection weather .
反气旋式旋转