“…Meteorological analysis on these 2018 events quickly emerged (JMA‐TCC, ; Kotsuki et al, ; Tsuguti et al, ), highlighting several compound factors: a strengthened subtropical anticyclone, a deepened synoptic trough, and Typhoon Prapiroon that collectively enhanced the Baiu rainband (the Japanese summer monsoon), fostering heavy precipitation. The comprehensive study of these events, conducted within a month and released by the Japan Meteorological Agency (JMA) (JMA‐TCC, ), reflected decades of knowledge of the Baiu rainband and new understanding of recent heat waves in southern Japan and Korea (Xu et al, ). Regardless, an extended forecast of this record‐breaking precipitation remains challenging, with a skillful prediction of no more than 3 days (Kotsuki et al, ).…”