2020
DOI: 10.2151/sola.2020-044
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Characteristics of an Extreme Rainfall Event in Kyushu District, Southwestern Japan in Early July 2020

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Cited by 48 publications
(48 citation statements)
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“…In this study, we compare the time evolutions of moisture flux convergence in the boundary layer and in the free troposphere associated with heavy rainfall events around Kyushu, Japan, where disastrous rainfall events frequently occur (Araki et al., 2021; Hirockawa et al., 2020; Tsuji et al., 2020), to clarify the role of moisture above the boundary layer. We show that free‐tropospheric moisture flux convergence provides environments favorable for the organization of MCSs with layer lifting before rainfall events.…”
Section: Introductionmentioning
confidence: 99%
“…In this study, we compare the time evolutions of moisture flux convergence in the boundary layer and in the free troposphere associated with heavy rainfall events around Kyushu, Japan, where disastrous rainfall events frequently occur (Araki et al., 2021; Hirockawa et al., 2020; Tsuji et al., 2020), to clarify the role of moisture above the boundary layer. We show that free‐tropospheric moisture flux convergence provides environments favorable for the organization of MCSs with layer lifting before rainfall events.…”
Section: Introductionmentioning
confidence: 99%
“…Kyushu, the westernmost of the four major islands of Japan, has repeatedly suffered from heavy rainfall events during Baiu (e.g., Matsumoto et al 1971;Ogura et al, 1985;Kato 2006), which is a part of the East Asian Summer Monsoon. In early July 2020, a series of heavy rainfall occurred over Kyushu, whose mesoscale features were documented in Hirockawa et al (2020) and Akaki et al (2020). Rainfall increased from June 25, and it was particularly intense over July 3-11 (Figs.…”
Section: Introductionmentioning
confidence: 96%
“…1) have been produced by the Japan Meteorological Agency (JMA) since January 1989. RAP is a useful dataset to identify localized heavy rainfall areas (HRAs) observed over the Japanese Islands for several hours and also to understand characteristic features of the HRAs (Kato 2020). Tsuguti and Kato (2014) utilized RAP to objectively extract localized heavy rainfall events in Japan, and revealed that approximately 60% of them, not directly related to tropical cyclones, had a band-shaped distribution.…”
Section: Introductionmentioning
confidence: 99%
“…They demonstrated that approximately 80% of the HRAs of the linear-stationary type SOLA, 2022, Vol. 18, 6-9(TBA), doi:10.2151/sola.2022 3 3 corresponded to typical elongated and stagnated mesoscale convective systems, which are often caused severe disasters and named "senjo-kousuitai" in Japanese (Kato 2020).…”
Section: Introductionmentioning
confidence: 99%