Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js Skip to article Under a Creative Commons license open access Previous Next Keywords Warm-rain fraction Microphysical processes Heavy precipitation South China 1. Introduction Cloud microphysical processes play a significant role in the formation and development of clouds and precipitation (Takahashi and Kawano, 1998; Grabowski et al., 1999; Lin and Colle, 2009; Tao, 2009; Van Weverberg et al., 2011; Gao et al., 2018).