广东省水利厅维持Ⅰ级应急响应，调度东江白盆珠、龙江龙潭、黄江公平等水库拦洪0.45亿立方 米，有效减轻下游防洪排涝压力，提前转移受威胁群众。广西壮族自治区水利厅派出5个专家组分赴沿 海地区，指导做好暴雨洪水防范应对工作。海南省水务厅每日抽查水库防汛责任人履职情况，派出6个 专家组深入一线驻点指导。福建省水利厅加强海堤巡查排险，提前调度台风影响区域52座大中型水库预 泄腾库。 今年第18号台风"桦加沙"（台风级）于9月24日17时前后在广东省阳江市海陵岛沿海登陆，登陆时 中心附近最大风力13级（40米每秒），中心最低气压955百帕。预计"桦加沙"将以每小时20—25公里的 速度向偏西方向移动，强度逐渐减弱。 国家防总副总指挥、水利部部长李国英9月23日主持专题会商，安排部署台风"桦加沙"暴雨洪水防 御工作。水利部滚动会商研判，及时启动针对福建、广西、海南的洪水防御Ⅳ级应急响应，并将针对广 东的洪水防御应急响应提升至Ⅲ级；逐日向强降雨落区靶向通报中小河流洪水、山洪灾害、城市内涝及 水库安全度汛等风险；派出3个工作组赴广东、广西、海南一线协助指导防御工作。水利部珠江水利委 员会维持洪水防御Ⅱ级应急响应，运用水旱灾害 ...

Core Viewpoint - The article reports on the weather forecast for the Haihe River basin, indicating significant rainfall and potential flooding, prompting emergency responses from relevant authorities [1] Group 1: Weather Forecast - From August 26 to 28, the northern and central regions of the Haihe River basin are expected to experience moderate to heavy rain, with some areas facing torrential rain and localized extreme rainfall [1] - The rivers including the Luan River, North Sanhe River, Yongding River, and Daqing River are anticipated to see a notable rise in water levels due to the rainfall [1] Group 2: Emergency Response - Starting from 12 PM on August 26, the Haihe River Flood Control and Drought Relief Headquarters initiated a Level IV flood emergency response [1] - The Haihe Water Resources Commission also activated a Level IV emergency response for flood defense, urging all relevant departments and units to strengthen their responsibilities and improve monitoring and information reporting [1] - The focus is on ensuring the safety of people's lives and property through effective water and drought disaster prevention measures [1]

Group 1 - Typhoon "Yangliu" made landfall in Taiwan on August 13, with maximum wind force of 14 levels at landfall and 12 levels in the Taiwan Strait later [1] - The Central Meteorological Administration predicts that "Yangliu" will make another landfall in the coastal areas of Fujian and Guangdong, expected to be at strong tropical storm or typhoon level [1] - Heavy rainfall is expected in South China and southern Jiangnan from August 13 to 15, with some areas in southern Fujian, eastern northern Guangdong, and southern Hunan likely to experience heavy rain [1] Group 2 - The Ministry of Water Resources initiated a level IV flood defense emergency response for Fujian, Guangdong, Guangxi, and Hunan provinces on August 13 [1] - The National Flood Control and Drought Relief Headquarters raised the emergency response level to III for flood and typhoon prevention in Guangdong and Fujian [1] - An orange warning for typhoons and heavy rain was issued by the Central Meteorological Administration on August 13 [1] Group 3 - There is a high possibility of mountain flood disasters in northeastern and southern Fujian, southern Jiangxi, southern Hunan, northern Guangdong, and southwestern Sichuan from August 13 to 14 [2] - The Guangdong Provincial Flood Control Headquarters upgraded the wind emergency response from level III to level II on August 13 [2] - The Fujian Provincial Meteorological Station raised the "typhoon warning" to level II and issued a "heavy rain warning" at level III on August 13 [2]

Group 1 - A significant rainfall event occurred in Yuzhong County, Lanzhou City on August 7, prompting the Gansu Provincial Water Resources Department to initiate a Level III flood defense emergency response at 2 AM on August 8 [1] - The emergency response was escalated to a Level I flood defense emergency response starting from 6 PM on August 8, according to the Gansu Provincial Water Resources Department's flood and drought disaster prevention emergency plan [1] - Local water authorities in Lanzhou and Yuzhong County are tasked with reinforcing flood defense responsibilities, ensuring the safety of reservoirs and sedimentation dams, and conducting thorough inspections of flood defenses along rivers and channels [1]

Group 1 - The article reports on significant rainfall in southern and northwestern regions of China from August 3 to 5, with Guangdong, Gansu, and Ningxia experiencing heavy to extremely heavy rainfall, and localized areas facing torrential downpours [1] - The National Flood Control and Drought Relief Headquarters has initiated a Level IV emergency response for flood control in Guangdong, Gansu, and Ningxia, and dispatched work teams to assist in flood prevention efforts in Guangdong [1] - The Ministry of Water Resources has issued a red alert for mountain flood disaster risk in 25 counties in Gansu and 6 counties in Qinghai, effective from 20:00 on August 3 to 20:00 on August 4 [1] Group 2 - The Ministry of Water Resources has upgraded the flood defense emergency response from Level IV to Level III for Gansu and Qinghai, emphasizing the need for local water resources departments to strengthen flood prevention responsibilities [1] - Authorities are closely monitoring areas at risk of mountain floods, including populated areas, construction sites, scenic spots, and upstream and downstream of bridges, and are adjusting warning thresholds accordingly [1] - The article highlights the importance of effective monitoring and early warning systems to ensure timely communication of alerts to frontline personnel [1]

新华社兰州8月3日电 记者从甘肃省气象局获悉，预计8月3日14时至4日5时，甘肃省张掖市以东的多个 市州有短历时强降水过程，最大小时雨强可能达到80毫米。3日10时，甘肃将山洪灾害气象风险预警由 黄色升级为橙色。 2日至3日，甘肃陇中、陇东部分地区发生短历时强降水过程，局地小时雨强超过40毫米。 兰州中心气象台于3日9时预报，未来24小时，甘肃省张掖市、武威市、兰州市、白银市、定西市、临夏 回族自治州、甘南藏族自治州等市州部分地方有短历时强降水，小时雨强30至50毫米，最大小时雨强可 达80毫米。此外，预计3日15时至22时，祁连山区中东段，以及兰州市南部、甘南州北部有雷雨、大风 或冰雹天气。 兰州中心气象台已于3日9时10分发布强对流黄色预警。甘肃省水利厅、甘肃省气象局于3日10时联合将 山洪灾害气象风险黄色预警升级为橙色预警。预计3日14时至4日11时，兰州市、白银市、武威市、定西 市、临夏州等部分地方发生山洪灾害可能性大。甘肃省水利厅决定，自3日11时起，针对兰州市、白银 市、武威市、临夏州启动洪水防御Ⅳ级应急响应。 甘肃气象、水利部门提示，此次局地短历时强降水落区叠加，发生中小河流洪水、山洪、地质灾害 ...

Core Viewpoint - The emergency response levels for flood control in the Haihe River basin have been downgraded due to a decrease in water levels and an easing of flood conditions [1] Group 1 - The Haihe Flood Control Headquarters has reduced the flood emergency response from Level III to Level IV as of August 1 at 12:00 [1] - The Haihe Water Resources Commission has also downgraded its flood defense emergency response from Level III to Level IV [1] - The decision was made based on the provisions of the emergency response plans and regulations related to flood and drought disaster prevention [1]

Core Viewpoint - The Haihe River Basin has initiated a Level IV flood emergency response due to forecasted heavy rainfall from July 24 to July 26, which is expected to cause significant water level rises in the Yongding River, Chaobai River, and Luan River [1] Group 1 - The Haihe River Flood Control Headquarters activated a Level IV flood emergency response starting from July 24 at 15:00 [1] - The Haihe Water Resources Commission also initiated a Level IV flood defense response in accordance with relevant regulations [1] - Meteorological departments predict moderate to heavy rain, with localized torrential rain expected in the northern and central parts of the Haihe River Basin [1]

Group 1 - The Gansu Provincial Water Resources Department has terminated the flood defense emergency responses for various cities due to stabilized weather and river conditions [1][2] - The emergency responses were initiated on June 29 and adjusted on July 3, with a total of ten cities involved in the flood defense measures [1] - The department emphasized the importance of monitoring and timely information dissemination during the emergency response period [1] Group 2 - Gansu is currently in the main flood season, and local authorities are focusing on meteorological forecasts and flood prevention measures [2] - Efforts are being made to ensure the safety of people's lives and property through effective water project management and disaster response [2]