Core Points - Typhoon "Haikashan" made landfall in Guangdong Province on September 24, with maximum wind speeds of 13 levels (40 meters per second) and a minimum central pressure of 955 hPa [1] - The National Defense General and the Ministry of Water Resources initiated emergency responses to flood risks in multiple provinces, including upgrading Guangdong's response to level III [1] - The Guangdong Provincial Water Resources Department maintained a level I emergency response and managed reservoir operations to alleviate downstream flood pressure [2] Group 1 - Typhoon "Haikashan" is expected to move westward at a speed of 20-25 kilometers per hour, gradually weakening [1] - The Ministry of Water Resources dispatched three working groups to assist flood prevention efforts in Guangdong, Guangxi, and Hainan [1] - The Pearl River Water Resources Commission is maintaining a level II emergency response and issuing targeted warnings based on risk assessments of 151 small rivers and 188 areas prone to mountain floods [1] Group 2 - The Guangdong Provincial Water Resources Department has effectively reduced downstream flood pressure by managing reservoir storage of 0.45 billion cubic meters [2] - The Guangxi Water Resources Department sent five expert teams to coastal areas to guide flood prevention efforts [2] - The Hainan Water Resources Department is monitoring reservoir safety and has deployed six expert teams for on-site guidance [2]

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]

Core Points - Gansu Province is experiencing a short-duration heavy rainfall event, with maximum hourly rainfall expected to reach 80 mm from August 3, 14:00 to August 4, 05:00 [1] - The meteorological risk warning for mountain flood disasters has been upgraded from yellow to orange due to the anticipated heavy rainfall [1] - Local areas in Gansu have already recorded hourly rainfall exceeding 40 mm on August 2 and 3 [1] Summary by Category Weather Forecast - Heavy rainfall is forecasted for several cities in Gansu, including Zhangye, Wuwei, Lanzhou, Baiyin, Dingxi, Linxia, and Gannan, with hourly rainfall expected to be between 30 to 50 mm, and potentially reaching 80 mm [1] - Thunderstorms, strong winds, or hail are expected in the Qilian Mountains and southern Lanzhou from 15:00 to 22:00 on August 3 [1] Emergency Response - Gansu's Water Resources Department and Meteorological Bureau have issued an orange warning for mountain flood disaster risks, indicating a high likelihood of such events in Lanzhou, Baiyin, Wuwei, and Linxia from August 3, 14:00 to August 4, 11:00 [1] - A level IV emergency response for flood defense has been activated in Lanzhou, Baiyin, Wuwei, and Linxia starting from 11:00 on August 3 [1] Risk Management - The meteorological and water resources departments have highlighted a high risk of small river floods, mountain floods, geological disasters, and urban flooding due to the overlapping areas of heavy rainfall [2] - Authorities are advised to enhance real-time monitoring, flood warning systems, and evacuation measures, while also considering the adverse effects of hail on agricultural facilities and economic crops [2]

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]