Sun, J., Li, R., Zhang, Q., Trier, S. B., Ying, Z., & Xu, J. (2023). Mesoscale factors contributing to the extreme rainstorm on 20 July 2021 in Zhengzhou, China, as revealed by rapid update 4DVar analysis. Monthly Weather Review, 151, 2153-2176. doi:10.1175/MWR-D-22-0337.1