*4.3. Polarimetric Radar Signatures and Rainfall Analysis*

As the rain patterns of Zhuhai station and Huidong station are similar to that of Doumen station and Gaotan station, the DSD characteristics of Zhuhai and Huidong areas can partly represent the microphysics of Doumen and Gaotan station, which suggests a high probability of a higher drop concentration at Gaotan station and a larger drops at Doumen station. However, the total rainfall difference between Huidong and Gaotan station is significant (≈400 mm vs. ≈1000 mm), which means the DSD of Gaotan may be different and need more observation to supplement the current study. In the following study, the dual-polarized radar observations are used to further understand the rainfall.
