The bottom image shows the same echo returns with their altitude mapped according to a second image that displays the cloud-top heights.
底部的图像显示了同一个回返图像，其中根据显示云顶高度的第二张图像映射高度属性。
2
According to the echo area and intensity change of target cloud, the qualitative judgment that the artificial rainfall is effective or not can be gotten.
根据作业云回波面积和强度的变化，可定性判断人工增雨是否有效。
3
Moreover, the dense positive CG flashes can also be observed in the strong echo region, while sparse ones are in the weak and stable echo region or cloud anvil in the rear MCS.