Compound Tropical Cyclone and Heat Days Drives a Rapid Increase of Heatwaves over South China

This dataset contains the underlying data used to generate all figures and tables in the main text and Supplementary Information of the manuscript “Compound Tropical Cyclone and Heat Days Drives a Rapid Increase of Heatwaves over South China.” The data are provided in Microsoft Excel (.xlsx) format and include processed time series, statistical results, and composite analyses related to tropical cyclones, heat days, and heatwave events over South China. The dataset supports the reproducibility and transparency of all analyses and visualizations presented in the study.