Group 1 - The core viewpoint of the articles highlights the ongoing and intensifying rainfall in the Huaxi region, with warnings about potential secondary disaster risks due to accumulated rainfall [1][9] - The strong rainfall is expected to continue in areas such as Sichuan, Chongqing, and parts of Henan, with local rainfall exceeding 30 millimeters [3][9] - A significant cold air mass is anticipated to move southward, potentially ending the high temperatures in southern regions, with temperature drops of 4 to 10 degrees Celsius expected [10][11][14] Group 2 - The forecast indicates that the heavy rainfall will persist in the Huaxi region, particularly affecting the northeastern parts of Sichuan and northern Chongqing, with possible heavy rain and thunderstorms [4][5][7] - The cold air is expected to bring a notable temperature drop, with cities like Wuhan experiencing a maximum temperature of 19 degrees Celsius, marking a new low since the start of autumn [11][12] - The cold air's impact will extend to southern regions after the 18th, with cities like Hefei and Changsha potentially seeing maximum temperatures around 20 degrees Celsius [14]

Core Viewpoint - The Central Meteorological Administration forecasts continuous autumn rain in Western China, with strong rainfall expected in Sichuan and Shaanxi, while the temperature is set to drop significantly in the northern regions due to a cold air mass [1] Weather Conditions - Continuous autumn rain is expected in Western China over the next two days, particularly in Sichuan and Shaanxi, with frequent strong rainfall [1] - The Yellow River-Huaihe region will see a decrease in rainfall initially, followed by an increase [1] - Typhoon "Maidum" is moving into the South China Sea, bringing strong winds and rain to southern China [1] Temperature Changes - A strong cold air mass is anticipated from the 5th to the 7th, with maximum temperatures in Northwest, Western North China, and Northeast regions expected to drop below 20°C [1] - In contrast, southern regions such as Jiangnan and South China will continue to experience hot weather, with maximum temperatures in the middle and lower reaches of the Yangtze River and southward areas remaining at or above 30°C [1] - Some areas in Jiangnan and Eastern South China may see temperatures reach between 35°C to 38°C, with certain locations approaching historical highs for this time of year [1]

Group 1 - The region from Huaxi to Huanghuai is expected to continue experiencing heavy rainfall, with some areas in Sichuan, Shaanxi, and Henan facing significant risks of secondary disasters due to the cumulative rainfall being more than double the normal levels for this time of year [2][3] - The Central Meteorological Administration forecasts that from October 2 to 4, parts of Sichuan, Shaanxi, Henan, and Shandong will see substantial rainfall, with some areas experiencing heavy rain or even torrential rain [2][3] - The average precipitation in Huaxi since the onset of autumn rains has been over 60% higher than the historical average, marking the fourth highest level since 1961 for this period [3] Group 2 - Northern regions, including North China and Northeast China, are experiencing comfortable temperatures suitable for outdoor activities, with maximum temperatures exceeding 25°C [4] - In contrast, southern regions are facing persistent high temperatures, with many areas in the Yangtze River basin and southward reaching maximum temperatures of 30°C or above, necessitating heat prevention measures during the public holiday [4]

Core Insights - The average national temperature in China for September was 18.2℃, which is 1.0℃ higher than the historical average, marking the fourth highest since 1961 [4] - A significant heatwave occurred from June 30 to September 9, being the fourth strongest since 1961, lasting 72 days and affecting an area of 4 million square kilometers [4] - September saw an average precipitation of 80.1 mm, which is 32.4% more than the historical average, making it the fourth highest since 1961 [5] Temperature Insights - Shanghai, Zhejiang, Jilin, and Heilongjiang recorded the highest temperatures for this period in history [4] - 43 national meteorological stations reported daily maximum temperatures that broke or reached autumn historical extremes [4] Precipitation Insights - Six heavy rainfall events occurred in September, with notable extremes in Jiangsu and Henan, where several stations recorded daily precipitation that exceeded historical records [5] - The average precipitation in the autumn rain zone reached 210.9 mm, which is 59.7% more than the historical average [5] Future Weather Predictions - The China Meteorological Administration forecasts above-average precipitation in parts of North China and the northwest, while eastern and central southern regions may experience higher temperatures and less rainfall, potentially leading to drought conditions [5] Recommendations - It is advised to prepare for risks associated with heavy rainfall and prolonged rainy periods, including flooding and geological disasters [5] - Recommendations include enhancing water source management and drought response plans to ensure water supply for urban and agricultural needs [6]

Group 1 - Typhoon "Bolaoi" is expected to pass over the southern sea of Hainan today, leading to increased wind and rain in the South China coastal areas, with some regions experiencing heavy to extremely heavy rainfall [2][4] - The maximum wind force near the center of Typhoon "Bolaoi" is forecasted to reach level 12 (35 m/s), and it is moving northwest at a speed of 25-30 km/h [4] - The Central Meteorological Administration predicts heavy rainfall in various regions, including parts of Hainan Island, with some areas experiencing extremely heavy rainfall [4][8] Group 2 - The impact of Typhoon "Bolaoi" is expected to intensify today, particularly in southern Hainan, where heavy rain is anticipated [2][8] - The western regions, including parts of Shaanxi and Sichuan, are also experiencing prolonged rainfall, raising concerns about secondary disasters such as landslides [1][8] - The weather forecast indicates that the influence of cold air will be weak in the coming week, leading to high temperatures in southern regions, with some areas experiencing temperatures above 30°C [9]

Group 1 - Typhoon "Bolaoi" is expected to pass over the southern sea of Hainan, leading to increased wind and rain in the South China coastal areas, with some regions experiencing heavy to extremely heavy rainfall [2][3][8] - The maximum wind force near the center of Typhoon "Bolaoi" is recorded at level 12 (35 m/s), and it is moving northwest at a speed of 25-30 km/h [3] - Areas such as southern Hainan, southwestern Guangdong, and southwestern Guangxi are forecasted to experience heavy rainfall, with some areas in southern Hainan expected to see extremely heavy rainfall [3][5] Group 2 - The Central Meteorological Observatory warns that from today, the wind and rain in South China will gradually intensify, particularly in southern Hainan where heavy rain is expected [8] - The ongoing autumn rains in the western regions are expected to continue, with areas like Shaanxi and Sichuan facing multiple rainy days [8] - The northern regions are experiencing cooler temperatures due to autumn rains, while southern regions are likely to see high temperatures exceeding 30°C, especially in Fujian and other areas [9]

今年第17号台风"米娜"已于昨晨8时停止编号，但其残涡仍给广东等地带来了强降雨天气，同时四川盆地等地部分 地区出现较强降雨，监测显示，昨天8时至今天6时，广东中部和东部沿海、福建东南部出现暴雨，广东中部等部分 地区大暴雨；四川东部、重庆西部、云南西部、贵州西部、广西西部、江西东北部和南部、浙江南部等地出现大到 暴雨，其中浙江温州出现大暴雨或特大暴雨。 今明天，四川盆地至陕西中南部一带的秋雨进一步发展增强，部分地区有暴雨。此外，随着台风"桦加沙"逐渐靠 近，明后天华南部分地区将再现强风雨天气。 具体来看，中央气象台预计，今天，广东中西部、广西东部、福建东北部、江西南部、云南中东部、四川中东部、 贵州西部、重庆西南部、甘肃东部、陕西中南部、河南北部、山西南部、河北南部等地的部分地区有中到大雨，其 中，广东中部、云南东北部、四川东南部、贵州西部、陕西东南部、河南西部等地的部分地区有暴雨。 四川陕西等地降雨再起 台风"桦加沙"将影响华南 明天，四川南部和东北部、云南北部、贵州西部、重庆西部、陕西南部、湖北北部、河南西部以及台湾岛大部等地 的部分地区有中到大雨，其中，四川东北部、陕西南部、台湾岛中东部等地的部分地区有暴 ...

暴雨大暴雨要来了。 今明两天（9月21日至22日），华西秋雨再度发展，四川、陕西等地部分地区有暴雨，需注意防范连续降雨可能引发的次生灾害。此外，今年第18号台风"桦 加沙"23日将进入南海海域，华南多地再迎强风雨天气，公众请关注临近预报信息，及时做好台风防御措施。 四川陕西等地降雨再起 台风"桦加沙"将影响华南 今年第17号台风"米娜"已于昨晨8时停止编号，但其残涡仍给广东等地带来了强降雨天气，同时四川盆地等地部分地区出现较强降雨，监测显示，昨天8时至 今天6时，广东中部和东部沿海、福建东南部出现暴雨，广东中部等部分地区大暴雨；四川东部、重庆西部、云南西部、贵州西部、广西西部、江西东北部和 南部、浙江南部等地出现大到暴雨，其中浙江温州出现大暴雨或特大暴雨。 今明天，四川盆地至陕西中南部一带的秋雨进一步发展增强，部分地区有暴雨。此外，随着台风"桦加沙"逐渐靠近，明后天华南部分地区将再现强风雨天 气。 具体来看，中央气象台预计，今天，广东中西部、广西东部、福建东北部、江西南部、云南中东部、四川中东部、贵州西部、重庆西南部、甘肃东部、陕西 中南部、河南北部、山西南部、河北南部等地的部分地区有中到大雨，其中，广东中部 ...

明天，四川南部和东北部、云南北部、贵州西部、重庆西部、陕西南部、湖北北部、河南 西部以及台湾岛大部等地的部分地区有中到大雨，其中，四川东北部、陕西南部、台湾岛 中东部等地的部分地区有暴雨，局地大暴雨。 后天，广东南部和东部、福建南部和东北部、浙江中东部、江苏中东部、山东半岛、辽东 半岛、云南南部以及台湾岛中东部等地的部分地区有大到暴雨，其中，广东东南部、福建 南部、台湾岛东部等地的部分地区有大暴雨。 气 象 部 门 提 醒 ， 8 月 下 旬 以 来 ， 华 西 地 区 降 雨 频 繁 ， 今 明 天 四 川 、 陕 西 等 地 降 雨 又 将 增 多，落区与前期高度重叠，致灾风险较高，需加强防范山洪、滑坡、泥石流、中小河流洪 水等次生灾害的发生。台风"桦加沙" 23日凌晨将进入南海东北部海面，后期强降水将陆 续 影 响 广 东 、 福 建 、 广 西 等 地 ， 最 强 影 响 时 段 为 23 日 至 2 5 日 ， 公 众 需 密 切 关 注 台 风 动 向，及时做好相关防御措施。 今明两天（9月21日至22日），华西秋雨再度发展，四川、陕西等地部分地区有暴雨， 需注意防范连续降雨可能引发的次生灾害。此 ...

Core Viewpoint - The Three Gorges Reservoir experienced its largest flood event of 2025 on September 20, influenced by autumn rains in Southwest China, following a period of significantly reduced water inflow during the main flood season [1] Group 1: Water Inflow and Flood Events - The inflow to the Three Gorges Reservoir began to rise gradually from September 17, culminating in a flood with inflow exceeding 40,000 cubic meters per second on September 20 [1] - During July and August, the total water inflow to the Three Gorges Reservoir was more than 20% lower than the average inflow for the same period since the reservoir's establishment [1] - The recent rainfall events in the upper reaches of the Yangtze River, particularly in the Jialing River and the Three Gorges area, contributed to the increase in inflow [1]