The structure of the forward-tilted trough increases the atmosphericinstability and caused the severe convective weather.
高空前倾槽的结构加大了大气的垂直不稳定，是引起强对流天气的重要原因。
2
Of all the above atmospheric layers, only the troposphere (especially its boundary layer) is characterized by a marked instability of the vertical distribution of the meteorological parameters.