Core Points - A strong cold air mass will begin affecting China from November 14, starting in Xinjiang and moving from west to east and north to south [1][4] - Most areas in central and eastern China will experience a temperature drop of 4°C to 8°C, with some regions in Inner Mongolia, Heilongjiang, Jilin, and Beijing-Tianjin-Hebei experiencing drops of 10°C to 12°C [2][4] Summary by Sections - **Temperature Changes** - The cold air mass will lead to significant temperature drops across various regions, with minimum temperatures in places like Gansu, Inner Mongolia, and Heilongjiang expected to fall below -10°C between November 18 and 19 [5][7] - Cities such as Harbin and Taiyuan will see maximum temperatures drop from over 15°C to below 4°C, with cumulative drops exceeding 10°C [7] - The eastern regions will experience more severe temperature drops compared to the western regions, with some areas in North China and Northeast China seeing cumulative drops of over 15°C [7] - **Weather Characteristics** - The cold air mass is characterized by "wind chill and dry cold," with minimal rain or snow expected due to weak warm and moist air flows [10] - Strong winds will accompany the temperature drop, particularly in northern regions like northern Xinjiang and Inner Mongolia, with increased wind activity expected in central and eastern areas starting November 15 [10]

Core Points - Typhoon "Phoenix" made landfall in Taiwan on November 12 and has since transformed into an extratropical cyclone [1][3] - The storm has caused significant rainfall and strong winds in various regions, including southeastern and northern Taiwan, eastern and southern Zhejiang, and northeastern Fujian [1][3] - A strong cold air mass is expected to impact China, leading to temperature drops of 6-8°C in most areas, with some regions experiencing drops of 10-12°C [4] Summary by Sections - **Typhoon Impact**: Typhoon "Phoenix" caused heavy rainfall and strong winds, with gusts reaching 11-12 levels in some coastal areas [1][3] - **Weather Forecast**: Strong winds of 6-8 levels are anticipated in the East China Sea, Taiwan Strait, and surrounding areas, with gusts potentially reaching 10-11 levels [3] - **Cold Air Mass**: A strong cold air mass will lead to significant temperature drops across various regions, with warnings for snow in areas like Xinjiang and Inner Mongolia [4]

Core Viewpoint - The article discusses the impact of Typhoon "Phoenix" as it transitions into a temperate cyclone, bringing significant weather changes across various regions in China, including strong winds, rain, and temperature drops [4][7]. Group 1: Typhoon "Phoenix" Impact - Typhoon "Phoenix" made landfall in Taiwan with maximum wind speeds of 9 levels (23 m/s) and a minimum central pressure of 990 hPa [4]. - The typhoon caused heavy rainfall in southeastern Taiwan, eastern and southern Zhejiang, and northeastern Fujian, with local areas experiencing torrential rain [2]. - Wind speeds reached 8-10 levels in coastal areas of Zhejiang and Fujian, with local gusts reaching 11-12 levels [2]. Group 2: Weather Changes and Forecast - A strong cold air mass is expected to affect China from November 13 to 17, leading to temperature drops of 6-8°C in most regions, with some areas experiencing drops of 10-12°C [7]. - The cold air will primarily impact northern Xinjiang, where snowfall is anticipated, including heavy snow in certain areas [7]. - Specific forecasts indicate that from November 13 to 14, regions such as northern Xinjiang and parts of Inner Mongolia will experience light to moderate snow or sleet, with heavy snow in localized areas [8].

Core Points - A strong cold air mass has caused a rapid transition to winter in Jilin Province, with significant snowfall reported in various regions [1][3] - The temperature in Jilin has experienced a "cliff-like drop," with forecasts indicating that most areas will see minimum temperatures fall below freezing after October 17 [3][5] - The cold weather is impacting agricultural activities, particularly the autumn harvest, prompting experts to advise farmers to take advantage of brief clear weather [5] Weather Impact - The northwest region of Jilin, particularly Baicheng, was the first to experience rain and snow, with Zhenlai County reporting heavy snowfall [1] - The average temperature in the province is expected to be around 1.5°C from October 18 to 27, significantly lower than the normal average of 5.5°C [3] - Snowfall has affected the activity of migratory birds in the Momoge Wetland, although the wetland has not yet frozen, minimizing immediate impacts on food availability for the birds [3] Heating Measures - In response to the cold weather, several cities including Songyuan, Tonghua, Baicheng, and the provincial capital Changchun have initiated heating measures starting from October 15 [5] - The heating system in Changchun was activated at midnight on October 17 to ensure residents can cope with the sudden drop in temperature [5]

Core Points - A strong cold air mass has caused a rapid transition to winter in Jilin Province, with significant snowfall reported in certain areas [1][3] - The temperature in Jilin has experienced a dramatic drop, with forecasts indicating that most regions will see minimum temperatures fall below freezing after October 17 [3][4] Weather Impact - The northwest region of Jilin, particularly Baicheng, was the first to experience rain and snow, with Zhenlai County reporting heavy snowfall [1][3] - The average temperature in the province is expected to be around 1.5°C from October 18 to 27, which is significantly lower than the normal average of 5.5°C [3][4] Agricultural Considerations - Jilin is a major agricultural province, with over 40 million acres of grain crops harvested, but still less than half of the total expected harvest [4] - Meteorological experts advise farmers to take advantage of the brief period of clear weather before the next round of snow to ensure a successful harvest [4] Heating Measures - In response to the cold weather, several cities including Songyuan, Tonghua, Baicheng, and Changchun have initiated heating measures starting from October 15 [4]

Core Points - A strong cold air mass is affecting China from October 16 to 21, leading to the lowest temperatures of the second half of the year in most regions [1][2] - Beijing is expected to experience a significant drop in temperature, with nighttime temperatures falling to single digits starting from October 17, and potentially reaching around 2°C on the night of October 19 [1][2] - The cold air mass is described as the strongest of the second half of the year, with a long duration and significant temperature drop [2] Summary by Sections Weather Impact - The cold air mass will result in continuous average temperatures below 10°C in Beijing from October 18 to 24, indicating an early onset of winter compared to the average date of October 31 [1] - Northern regions, including parts of North China and Liaoning, are expected to experience initial frost, while southern regions will see a temperature drop of 2°C to 4°C after previously being 5°C to 8°C above normal [2] Warnings and Precautions - Beijing's meteorological authorities have issued blue alerts for cold waves and strong winds, predicting a temperature drop of around 8°C and wind gusts reaching up to 7 levels in certain districts [2] - Frost warnings have been issued for specific districts, indicating potential impacts on agriculture due to low temperatures [2] Health Advisory - The Beijing Center for Disease Control advises the public to take precautions against the cold, including wearing appropriate clothing and protecting vulnerable body parts [3] - Emphasis is placed on the importance of flu vaccinations and maintaining good hygiene practices during the autumn and winter seasons, which are high-risk periods for respiratory diseases [3]

Core Points - Beijing Meteorological Station issued a blue alert for cold wave due to strong cold air, predicting a temperature drop of around 8°C from the night of October 16 to the night of October 18, with minimum temperatures in the plains expected to reach around 4°C [1] - A blue alert for strong winds was also issued, forecasting north winds of 3 to 4 levels in most areas of Beijing from noon to night on October 17, with gusts in certain districts reaching around 7 levels [1] - On October 16, the weather was overcast with light rain, and the maximum temperature was around 15°C, with significant rainfall expected during the night [1] Weather Alerts - During the strong wind warning, it is advised to enhance outdoor activity safety management and suspend organized outdoor activities such as climbing, hiking, and cycling [2] - Public should pay attention to travel safety and avoid tall buildings and temporary structures during the wind alert [2] - During the cold wave alert, it is recommended for the public to dress warmly to prevent colds and cardiovascular diseases [2]

新京报快讯（记者张璐）受强冷空气和沙尘天气影响，4月11日14时，内蒙古乌海市PM10小时浓度达 2944微克/立方米，内蒙古多个国控监测站点空气质量指数达500"爆表"级别。 中国环境监测总站数据显示，11日14时，内蒙古巴彦淖尔市、包头市、鄂尔多斯市、乌海市、阿拉善盟 以及宁夏石嘴山市、银川市、吴忠市等站点空气质量指数达到最高值500"爆表"级别。 其中，乌海市PM10小时浓度达到2944微克/立方米，阿拉善盟该数据为1604微克/立方米，石嘴山该数据 为1305微克/立方米。阿拉善盟和乌海市等地气象台4月11日已发布沙尘暴黄色预警信号。 中央气象台预报显示，11日-12日，较强冷空气将影响我国中东部，大部地区气温下降6℃～10℃。其 中，西北地区东部、内蒙古中东部、华北西部和北部、东北地区南部、江淮东部等地局地降温幅度可达 12℃～16℃；上述地区和东部海域伴有5～7级风，阵风8～10级，局地可达11～13级。中央气象台4月11 日6时继续发布大风橙色预警。 此外，4月11日8时至12日8时，新疆南部、青海北部、内蒙古西部、甘肃中南部、宁夏、陕西、山西、 河北中南部、北京中南部、天津、山东中西部、河南等 ...