The clouds can form alone, in clusters, or along acold front in a squallline.
这些云朵可以组成单独的云簇，也可以沿着暴风线的冷锋分布。
2
The situation is similar to that when a squallline moves across and brings short-lived severe and damaging squalls.
这种情况，效果跟飑线横过时所带来短暂的猛烈狂风相似，同样具有相当的破坏力。
3
Analysis of surface stream and energy fields obviously showed that the squallline occurred behind the surface shear line, and before the convergence area of wind.