2022
DOI: 10.1007/s13351-022-1166-7
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A Possible Dynamic Mechanism for Rapid Production of the Extreme Hourly Rainfall in Zhengzhou City on 20 July 2021

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Cited by 119 publications
(113 citation statements)
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“…The MCV was only one of the key factors that produced the extremely strong hourly precipitation in Zhengzhou. Based on high-resolution simulations, Yin et al (2022) supposed a possible dynamic mechanism for the extremely strong hourly rainfall: the arc-shaped convergence zone associated with an intense quasi-stationary, well-organized meso-γ-scale convective system served as "multidirectional lifting pumps," which transported precipitation from different regions into Zhengzhou, and thus produced the extreme rainfall. This arc-shaped convergence zone was closely related to the MCV discussed in this study.…”
Section: Conclusion and Discussionmentioning
confidence: 99%
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“…The MCV was only one of the key factors that produced the extremely strong hourly precipitation in Zhengzhou. Based on high-resolution simulations, Yin et al (2022) supposed a possible dynamic mechanism for the extremely strong hourly rainfall: the arc-shaped convergence zone associated with an intense quasi-stationary, well-organized meso-γ-scale convective system served as "multidirectional lifting pumps," which transported precipitation from different regions into Zhengzhou, and thus produced the extreme rainfall. This arc-shaped convergence zone was closely related to the MCV discussed in this study.…”
Section: Conclusion and Discussionmentioning
confidence: 99%
“…Of these, the “58.7” (14–19 July 1958; the middle reaches of the Yellow River Basin) torrential rainfall event (TRE), “63.8” TRE (1–9 August 1963; Hebei Province), “75.8” TRE (5–7 August 1975; Henan Province), and “7.21” TRE (21–22 July 2012; Beijing) were all famous for their extreme intensity and catastrophic destructive power. Most recently, a TRE appeared in Henan Province, which broke a series of historical records in China (Yin et al., 2022). This rainfall event lasted for a total of ∼6 days (from 17 to 22 July 2021; it was named as the “21.7” TRE in China), killed over 300 people, destroyed a harvest area of ∼1800000 ha, damaged ∼190000 houses, caused an electricity blackout of ∼3740000 households, and resulted in a direct economic loss of up to ∼114 billion Yuan.…”
Section: Introductionmentioning
confidence: 99%
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“…Over the past few decades, our understanding of MCSs in eastern China was improved mainly through case studies. Many of those focused on intense MCSs that triggered severe weather and natural hazards, such as the 1998 extreme floods over the Yangtze River basin (YRB) (Liu et al., 2008), the worst‐ever floods in the Huai River basin in 2007 since the 1950s (Luo & Chen, 2015; Luo et al., 2014), and more recently, the record‐breaking rainfall in Zhengzhou in July 2021 (Yin et al., 2022). However, the knowledge learned from a handful of extreme cases is not sufficient to generalize the organizations and physical characteristics of MCSs, not to mention their roles in the regional climate system (Luo et al., 2014; L. Zhang et al., 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Many scholars have shown the influence of rainfall on the rockfall frequency [44]. Field surveys and historical statistics found a significant increase in rockfall events in the study area in 2021, especially during the extreme rainfall event in July [69]. As shown in Figure 23, cumulative displacement curves of the three active rockfall source areas in the study area were constructed and compared with the histogram of monthly cumulative rainfall in 2021.…”
Section: Response Relationship Between Rainfall and Rockfall Eventsmentioning
confidence: 99%