Core Viewpoint - Southern China is expected to experience a new round of heavy rainfall from May 21 to 24, with the most intense period occurring tomorrow, leading to potential geological disasters and secondary hazards [1][3][5] Summary by Relevant Sections Rainfall Forecast - From May 21 to 24, regions including Anhui, Hubei, Hunan, Jiangxi, and Guangxi will face heavy rain, with some areas experiencing rainfall exceeding 60 mm in 6 hours, and localized areas potentially reaching over 120 mm [1][3] - The rainfall pattern is characterized by a broad range but varying intensity, with some areas experiencing severe downpours [1][5] Weather Conditions - The rainfall will be accompanied by strong convective weather, including thunderstorms and hail, particularly in the eastern Southwest region, Jianghan, Jianghuai, Jiangnan, and northern South China [1][3] - The intensity of rainfall is expected to increase tonight in eastern Sichuan, Chongqing, and northern Guizhou, with potential for heavy rain and localized severe storms [3] Geological and Hydrological Risks - There is a high risk of geological disasters in regions such as northwestern Guangxi, southern Chongqing, and western Zhejiang due to the anticipated heavy rainfall [7] - The overlap of strong rainfall areas with previously saturated regions raises concerns for flash floods and other secondary hazards [5][7]

央视网消息：据公安部交通管理局公众号消息，昨天，云南、贵州、广西、广东、湖南等多地出现大到暴雨，局地大 暴雨。据中央气象台预报，今明两天，南方降雨范围将明显扩大，西南地区东部、江汉东部、江南、华南等地部分地 区将有中到大雨，局地暴雨，伴有短时强降水、雷暴大风等强对流天气。其中—— 今天，西藏东南部、青海南部、四川盆地西部、贵州南部、云南东部、江淮西部、江南大部、华南北部和西部、海南 岛等地部分地区有中到大雨，其中，贵州东南部、湖南西南部、江西中北部、广西北部等地部分地区有暴雨。 这里要提醒一下北京的人们，明天华北北部的这场雷阵雨，落在北京的时段预计为明天（周五）的傍晚前后至前半 夜，并伴有短时大风，部分地区有冰雹，对晚高峰出行有一定影响。所以务必及时关注临近预报预警信息，注意出行 安全。 目前南方地区已进入多雨期，广西、湖南、江西、浙江等地在未来一周累计雨量较大。同时，华北、东北地区要警惕 强对流天气。 公安部交通管理局提醒：强降雨、强对流天气下，要及时关注气象部门的临近预警预报，以及公安交管、交通运 输、应急管理等部门发布的临时管制、防灾等相关信息，尽量选择公共交通出行。确需自驾出行的，要合理规划行车 路线 ...

据央视新闻报道，5月7日晚从国铁广州局了解到，受湖南南部地区强降雨影响，粤湘间部分 地区线路降雨量超警戒线。为确保旅客安全，国铁广州局根据降雨影响范围，将对部分普速 旅客列和采取停运、调整区间和迂回等措施，由此带来的不便，敬请谅解。 最新通报显示，在5月6日停运方案的基础上，对5月8日下午至夜间途经 京广线、吉衡线 部分 旅客列车采取限速运行、迂回、调整区间或停运等措施，途经以上线路的普速旅客列车 将 出 现不同程度晚点或停运等现象。 目前高铁运输秩序暂未受到影响，有出行需求的旅客可以换 乘高铁出行。 根据@中国天气 最新公布，预计5月7日夜间至9日，南方地区将有新一轮大范围较强降雨过 程。经综合研判和应急会商，中国气象局局领导于5月7日1 8时签发命令， 中国气象局进入三 级应急响应状态。 京广、吉衡线部分列车将晚点或停运 广州白云站、广州站等受影响的各车站将动态增加退改签窗口，方便旅客线下办理退票、改 签业务。铁路部门将根据降雨影响情况，适时采取恢复开行、加开等举措，动态调整列车运 行方案。 景区关闭、封航、停航 武夷山国家公园1号风景道(国家公园段)公告，将暂时关闭。 SFC 无锡太湖鼋头渚风景区公告， ...

Group 1 - Guangdong province experienced heavy rainfall from May 5 to May 6, with 118 towns affected by rainstorms and the maximum rainfall reaching 226.4 mm [1][2] - The meteorological department reported that 17 towns recorded over 100 mm of rain, while 101 towns recorded between 50 mm and 100 mm [2] - The rainfall has led to a high risk of geological disasters in areas such as Jiangmen, Yangjiang, and Qingyuan, with a risk level of three [1] Group 2 - Shenzhen airport faced significant flight delays due to thunderstorms, with a yellow alert for widespread flight delays issued by China Southern Airlines [1] - In Foshan, heavy rainfall was recorded, with over 90 mm in just three hours in the Nanhai District, prompting an upgrade of the rainstorm warning from orange to red [1][2] - The meteorological forecast indicates further thunderstorms and potential heavy rain in the coming days, with a new round of rainfall expected from May 9 to May 10 [2]