Core Insights - The strongest rainfall since the onset of the flood season has affected 14 provinces and regions in southern China from June 17 to 23, with many areas breaking historical daily rainfall records [1][2] - The cumulative rainfall in provinces such as Guangxi, Guizhou, Hunan, Hubei, and Anhui reached between 400 to 700 millimeters, with some localities exceeding 1,118 millimeters [2][3] - A new round of strong rainfall is expected to follow immediately, impacting areas including Sichuan and Chongqing, although the intensity and range will be less than the previous event [4][6] Rainfall Data - Specific extreme rainfall records include: - Hubei Hefeng: 328.4 mm on June 19 - Guizhou Zhijin: 279.7 mm on June 19 - Guangxi Tian'e: 208.7 mm on June 23 - Hunan Longshan: 205.8 mm on June 19 - Jiangsu Hongze: 191 mm on June 20 - Jiangsu Binhai: 189 mm on June 20 [3] Meteorological Analysis - The intensity of the rainfall is attributed to favorable conditions for moisture and energy, with the positioning of the subtropical high-pressure system causing persistent rainfall in the Yangtze River region [3] - The interaction of cold and warm air masses at the edge of the subtropical high-pressure system has led to prolonged heavy rainfall, with both cold vortices and subtropical high-pressure being stronger than usual [3] Upcoming Weather Forecast - From now until June 27, another round of strong rainfall is anticipated, particularly affecting the eastern part of the southwest region and areas like Jianghan and Huanghuai [4][6] - The core impact period for this new rainfall event is expected to be tomorrow and the day after, with significant rainfall predicted for regions from Guizhou to southern Henan [6] - Areas previously affected by heavy rainfall may experience cumulative rainfall exceeding 200 millimeters, raising concerns about potential secondary disasters such as landslides and mudslides due to saturated soil conditions [4][6]