数字化、人工智能等技术装备也逐步运用到"龙舟水"防御工作中。在佛山市三水区北江大堤芦苞水闸管理 所，广东省北江流域管理局工作人员张宝锋操作一架无人机沿着堤岸飞行，对北江大堤展开巡查。 北江大堤被誉为"南粤第一堤"，守护广州、佛山、清远以及白云机场、京广铁路的防洪安全。"今年新建3套 无人机自动巡检机巢群，部署在芦苞、石角、西南等北江大堤重要堤段，开展水情、工程安全等巡查。"北江 流域管理局办公室二级调研员张远军介绍，"在主汛期或遇到突发险情，我们还将运用小型无人机开展应急拍 摄、管涌辅助判断等工作，助力防汛抢险决策。" 借助高科技手段，山洪预警的精准度也不断提高。5月16日，清远市连南瑶族自治县寨岗镇多处发生山洪。广 东省山洪灾害监测预报预警平台利用降雨数据驱动水文模型，提前发布预警指令，发布"危险"等级预警时间 较洪水上路时间提前了约2小时，转移群众136人。 提升"四预"能力 据了解，按照"需求牵引、应用至上、数字赋能、提升能力"要求，水利部珠江水利委员会发挥技术优势，汛 前已完成北江、汀江等试点河流防洪"四预"能力提升建设，整合构建全流域L2级、重点河段L3级数据底板， 优化完善洪水预报、水工程联合调度 ...

《中国民航报》、中国民航网 记者冯智君 通讯员陈云峰、邢佳鸽 报道：端午节前夕，5月27日至29 日，西南季风槽联动西南低涡，中南地区迎来了今年"龙舟水"期间影响范围最广、持续时间最长的一次 强降水天气过程，跨度上千公里的巨型雨带一路向南，横扫中南数省。中南地区多个机场发布暴雨预 警，其中珠海机场日降雨量达到123毫米，一度接近红色暴雨预警量级。中南空管局气象中心（以下简 称气象中心）精准把脉天气演变趋势，决战千里"水龙"，气象预报观测室共发布各类天气实况、预报及 预警信息200余份，为管制部门动态调整流量管理及运控部门调减航班提供有力的决策支持，总体保证 了辖区内航班运行安全有序，5月27日~28日广州机场平均航班正常率均保持在90%以上。 气象中心应战 " 龙舟水 " 天气会商现场（中南空管局气象中心） 为提升气象预报的精准度，气象中心充分发挥首席预报员的龙头作用，在重要天气过程保障期间，加强 首席预报员的值班值守，提升运行品质。为满足管制用户需求，优化早高峰预报产品内容，新增每日6 时40分前发布MDRS概率预报产品。依托在珠三角运管委等部门部署的智慧屏远程服务系统，为气象用 户提供实时交互式天气讲解服 ...

Core Viewpoint - The southern region of China is experiencing its strongest rainfall event of the year, with significant impacts reported in various areas, particularly in Jiangnan and South China [1]. Group 1: Rainfall Events - The period from late May to early June, around the Dragon Boat Festival, is characterized by active warm moist air from the south colliding with cold air from the north, leading to concentrated rainfall in South China, often referred to as "Dragon Boat Rain" [3]. - As of May 28, the southern region has entered the peak phase of this rainfall event, with heavy rain reported in Fujian, prompting emergency responses [5]. Group 2: Emergency Responses - In Fujian's Ningde City, heavy rainfall led to the activation of a level four emergency response for flood control, with the local reservoir opening its gates to manage water levels [5]. - The Jinhan Reservoir, with a capacity of 16.07 million cubic meters, is crucial for flood control in Ningde and has implemented a remote control system for more effective flood management [10]. Group 3: Ongoing Weather Conditions - Meteorological forecasts indicate that the heavy rainfall will continue, necessitating increased monitoring of geological disaster risks and potential secondary disasters such as flash floods and landslides [9]. - In Guangxi, the water level of the Lijiang River has risen due to the rainfall, prompting local authorities in Guilin to enhance rescue and emergency response efforts [9][12].

Group 1 - The core viewpoint of the news is the emphasis on the geological disaster prevention work during the "Dragon Boat Water" period in Guangdong Province, highlighting the expected rainfall and associated risks [1][2] - It is predicted that rainfall during the "Dragon Boat Water" period in Guangdong will be 10-20% higher than historical averages, but lower than in 2024, with about five regional heavy rain events expected [1] - Specific cities and regions, including Guangzhou, Shaoguan, and Maoming, are identified as having high risks for geological disasters, with over 2,200 geological hazard points and more than 510,000 key defense areas [1] Group 2 - The meeting called for strict implementation of local geological disaster prevention responsibilities, including 24-hour monitoring, early warning systems, and community engagement to ensure the safety of threatened populations [2] - Emphasis was placed on enhancing the sense of responsibility and urgency in geological disaster prevention efforts, making it a top priority for local authorities [2] - The need for inter-departmental information sharing and collaboration was highlighted to effectively combat geological disaster risks during the "Dragon Boat Water" period [2]

Core Viewpoint - The southern region of China is expected to enter the main flood season starting June 1, with the Ministry of Water Resources emphasizing the importance of flood prevention and preparedness measures [1] Rainfall and Water Conditions - Nationwide precipitation has been generally below average, with a mean rainfall of 138 mm as of May 22, which is 11% lower than the historical average of 155 mm [2] - Major river systems are experiencing a 30% decrease in runoff compared to the same period last year, with specific reductions in the Yangtze and Huai rivers ranging from 20% to 60% [2] - Despite localized heavy rainfall, the overall flood situation in major rivers remains stable, with 38 rivers experiencing floods above warning levels, most of which have receded below warning levels [2] Flood Prevention and Preparedness - In Guangdong, flood prevention preparations are underway, including detailed inspections of key water infrastructure [3] - As of May 20, 3,934 out of 4,257 key water damage repair projects have been completed, with the remaining projects expected to be finished by the end of June [3] - The Ministry of Water Resources has issued 24 meteorological warnings for mountain flood disasters and 244 flood and drought warnings to relevant authorities and the public [3][4] Future Flood Predictions - Predictions indicate that from June to August, several river basins, including the Yangtze and Yellow Rivers, may experience above-average rainfall, while some areas may face drought conditions [5] - Specific regions such as the middle reaches of the Yellow River and parts of the Huai River are at risk of significant flooding during the main flood season [5] Goals for Flood and Drought Management - The Ministry of Water Resources aims to ensure water supply for urban residents and agricultural irrigation, with specific targets to prevent casualties and infrastructure damage during the flood season [6]

Weather Overview - The weather in Hangzhou is currently in a "comfortable mode" with temperatures around 25°C, suitable for outdoor activities [1] - The upcoming week will continue with pleasant weather, with temperatures not exceeding 30°C and early morning/evening coolness [2] Rainfall and Seasonal Changes - A new round of strong rainfall is expected to begin on Tuesday, indicating the onset of the rainy season in southern China, particularly in the South China Sea region [2] - The traditional start of the plum rain season in Zhejiang is around June 8, suggesting that the rainy season may soon arrive following the South China summer monsoon [2] Health and Wellness Recommendations - As the weather becomes more humid and hot, health experts recommend dietary adjustments to combat humidity, emphasizing foods like winter melon, bitter melon, and mung beans for their health benefits [3] - Proper sleep patterns are advised, with recommendations to sleep between 10:30 PM and 11:00 PM and wake up between 5:30 AM and 6:30 AM to maintain energy levels [3] Clothing and Temperature Management - Significant temperature fluctuations between day and night require individuals to adjust their clothing accordingly to avoid cold-related illnesses [4]

Group 1 - The core viewpoint is that Guangxi will experience its first strong rainfall during the "Dragon Boat Water" period from May 22 to 24, with significant risks of disasters due to heavy rain and strong convective weather [1][2] - The forecast indicates that the concentrated rainfall period for this year in Guangxi will be from May 21 to June 20, with four major rainfall events expected [1] - The first strong rainfall is anticipated to bring cumulative rainfall of 50 to 180 millimeters in the northern and central regions, with localized areas exceeding 250 millimeters [1] Group 2 - Meteorological experts warn of high risks of rainstorm disasters in cities such as Guilin, Liuzhou, and Hechi, emphasizing the need for preventive measures against secondary disasters like floods and landslides [2] - Recommendations include enhancing monitoring and inspection of disaster-prone areas and ensuring safety management in urban operations, transportation, and agricultural production [2]

Group 1 - The arrival of the "Xiaoman" solar term marks the transition to hotter weather in the Yellow River basin, while the southern regions will experience increased rainfall and rising river levels [1] - Northern regions have recently experienced a significant heatwave, with temperatures exceeding 40°C in several areas, breaking records for May [2] - Cold air is expected to bring a rapid decline in temperatures across northern regions, with drops of 10 to 20°C anticipated [2][3] Group 2 - Southern regions will also see a decrease in maximum temperatures, with areas previously above 30°C experiencing significant drops of 8 to 14°C [3] - From May 22 to 24, temperatures across many regions will shift from significantly above average to below average, prompting residents to adjust their clothing accordingly [5] - Heavy rainfall is forecasted for southern regions, particularly in the next few days, with the potential for severe weather conditions including thunderstorms and localized heavy downpours [6][8] Group 3 - The upcoming ten days will see frequent rainfall in Jiangnan and South China, with some areas experiencing rainfall amounts 1 to 2 times higher than the average for this period [10] - The proverb "Xiaoman Xiaoman, rivers gradually fill" suggests that river levels in Jiangnan and South China may continue to rise, increasing flood prevention pressures [12]

Core Viewpoint - The article highlights the forecast of significant rainfall in Guangxi from the night of the 22nd to the 24th, marking the first heavy rain event during this year's "Dragon Boat Water" season, with potential for severe flooding and secondary disasters [1] Summary by Relevant Categories Weather Forecast - Guangxi is expected to experience heavy rainfall, transitioning from northwest to southeast, with rainfall amounts ranging from 50 to 180 millimeters in northern and central Guangxi, and localized areas exceeding 250 millimeters [1] - Hourly rainfall in certain areas may reach over 100 millimeters, indicating a high risk of disaster [1] Disaster Preparedness - There is a need for preparedness against flooding and secondary disasters due to the anticipated heavy rainfall [1]