During the summer of 2020, southern China suffered from catastrophic flooding, the massive basin flood mainly occurred in the Yangtze River's middle and lower reaches. As of July 20, 2020, the cumulative precipitation since the rain season started exceeded 500 mm over most of the Yangtze River Basin, reaching >1,200 mm in some areas of the lower reaches, exceeding the same period in 1998, the severest flood year in the past 60 years. Several water gauge stations at Poyang Lake and Chaohu Lake exceeded their historical record values.
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Wei et al. (2020) studied this question.