Microphysical characteristics of summer season rainfall over four (north, south, central and east) regions of Taiwan are investigated using GPM DPR parameters. Analysis of GPM DPR data products for summer season rainfall over Taiwan using contoured frequency by altitude diagrams (CFADs) of radar reflectivity, rainfall rate, mass-weighted mean diameter, and concentration clearly demonstrated the dominance of large-size super-cooled liquid and ice particles above the melting layer and rain particles below the melting layers in the south and central Taiwan. Moreover, coalescence and breakup processes dominate summer monsoon rainfall over Taiwan, regardless of precipitation type and geographic location.
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