Core Viewpoint - The Shaanxi Meteorological Bureau has issued a blue snow warning due to expected snowfall and mixed precipitation during the peak return travel period of the Spring Festival holiday, which may impact transportation safety and operations in the region [1][3]. Weather Forecast - From February 22, 20:00 to February 23, 20:00, light snow (0.1-2.5 mm) is expected in southern Yan'an, while moderate to heavy snow (2.5-10 mm) is forecasted for high-altitude areas in northwestern Guanzhong, the Qinling Mountains, and northern Shangluo [2]. - Areas in the Qinling Mountains and northern Shangluo may experience blizzard conditions (10-18 mm), while southern Shangluo could see mixed rain and snow or light to moderate rain (0.1-15 mm) [2]. - The southern river valley of Shaanxi is expected to receive light to moderate rain (0.1-15 mm), with localized heavy rain (25-30 mm) in southern Hanzhong [2]. Transportation Impact - The combination of rain and snow during the peak travel period poses risks of slippery roads and low visibility across southern Shaanxi, Guanzhong, and much of southern Shaanxi, increasing the likelihood of traffic difficulties and passenger delays [3]. - The complex precipitation types in southern Yan'an, northwestern Guanzhong, Shangluo, and the Qinling Mountains heighten the risk of road icing and snow accumulation, further complicating transportation [3]. Recommendations - The Shaanxi Meteorological Bureau advises transportation authorities to proactively mitigate the adverse effects of rain and snow on Spring Festival travel safety and urban operations, including enhanced inspections of key road segments and timely snow and ice removal [5]. - Public travelers are encouraged to monitor weather updates and exercise caution while driving in adverse conditions, adhering to safety measures such as reducing speed and maintaining safe distances [5]. - In the Qinba mountainous areas, precautions against freezing rain's impact on power and communication infrastructure are recommended, with suggestions for energy and related departments to strengthen facility inspections and maintenance [5].

Core Viewpoint - The Central Meteorological Administration has issued blue alerts for snowstorms and cold waves, predicting significant temperature drops and snowfall in southern regions of China [1][2]. Group 1: Snowstorm Blue Alert - From February 6, 14:00 to February 7, 14:00, areas in southern Anhui and northern Zhejiang are expected to experience heavy snow, with local areas receiving 10-12 millimeters of precipitation [1]. - New snow accumulation in these regions is anticipated to reach 1-3 centimeters, with some areas exceeding 5 centimeters [1]. Group 2: Cold Wave Blue Alert - Affected by strong cold air, temperatures in most southern regions are expected to drop by 6-10 degrees Celsius from February 6, 14:00 to February 8, 08:00 [2]. - In some eastern parts of Jiangnan, temperature drops may exceed 12 degrees Celsius, with the zero-degree line expected to move south to northern Fujian and northern Hunan by early February 8 [2]. Group 3: Defense Guidelines - Government and relevant departments should prepare for snow disaster and frost damage [3][6]. - Transportation, railway, electricity, and communication sectors are advised to conduct inspections and maintenance, ensuring roads are cleared and snow is melted [3]. - Individuals are urged to dress warmly and take precautions against slipping, while drivers should exercise caution and implement anti-slip measures for vehicles [3][7]. - Agricultural sectors should stockpile feed and prepare for snow and frost damage [3].

Summary of Key Points Core Viewpoint - Beijing is entering a major snowfall period, with a blue snowstorm warning issued for seven districts as of January 17, indicating significant weather changes and potential impacts on daily activities and transportation [1]. Weather Forecast - As of January 17, the average snowfall in Beijing is 0.3 millimeters, with the maximum recorded at 4.5 millimeters in the Mentougou District [1]. - The meteorological forecast predicts light to moderate snow from the evening until the night, with localized heavy snow in western mountainous areas, and temperatures dropping to a low of -7°C [1]. - On January 18, light snow is expected to transition to overcast conditions, with a high temperature of -4°C during the day [1]. Snow Accumulation and Warnings - The blue snowstorm warning indicates that from January 17 to the daytime of January 18, cumulative snowfall in the affected districts is expected to exceed 4 millimeters [1]. - It is noted that 1 millimeter of snowfall typically translates to 8 to 10 millimeters of snow depth in northern regions [1]. - The chief forecaster from the Beijing Meteorological Station, Li Sang, stated that the main snowfall period will be from the evening until the morning of January 18, with expected snow depths of 1 to 3 centimeters in most areas and 3 to 5 centimeters in mountainous regions [1]. Safety Precautions - The meteorological department has issued yellow warnings for road icing and sustained low temperatures, advising the public to take precautions against cold weather and to ensure traffic safety [1].

Core Viewpoint - Beijing has issued blue snowstorm warnings for multiple districts, indicating expected snowfall of over 4 millimeters from the evening of January 17 to the daytime of January 18 [1][5][6][10][11]. Group 1: Warnings Issued - A blue snowstorm warning was issued for Shijingshan District, predicting snowfall of over 4 millimeters from the evening of January 17 to the daytime of January 18 [1]. - Mentougou District also issued a blue snowstorm warning, expecting similar snowfall amounts during the same period [5]. - Changping District has issued a warning for expected snowfall of over 4 millimeters from the evening of January 17 to the daytime of January 18 [6]. - Fengtai District's warning indicates snowfall of over 4 millimeters expected from the evening of January 17 to the daytime of January 18 [10]. - Fangshan District has reported ongoing snowfall with a warning for over 4 millimeters of accumulation expected until the daytime of January 18 [11]. Group 2: Weather Conditions and Safety Recommendations - The weather forecast predicts light snow during the day, transitioning to widespread snowfall at night, expected to last until the morning of January 18, with a gradual reduction in intensity by the afternoon [11]. - Traffic authorities recommend caution while driving in snowy conditions, advising to reduce speed, maintain distance, and use vehicle lights [11]. - Public transportation is encouraged for travel during the snow, and pedestrians are advised to wear non-slip footwear and avoid icy areas [12].

Core Points - Shandong Province Meteorological Station issued a blue snowstorm warning on January 16, indicating a significant weather event from the night of January 17 to the night of January 19 [1] Summary by Category Weather Forecast - A wide range of rain and snow is expected in Shandong Province, with an average cumulative precipitation of 8 to 15 millimeters during the event [1] - Specific areas forecasted include light snow or sleet in the northwest and central regions, while heavy snow to blizzards are anticipated in cities like Jinan, Tai'an, Zibo, and Weifang [1] Precautionary Measures - Government and relevant departments are advised to prepare for snow disaster and frost damage [1] - Transportation, railway, electricity, and communication sectors should conduct inspections and maintenance of roads and railways, ensuring snow removal and melting operations [1] - Public safety measures include advising pedestrians to dress warmly and drive carefully, with vehicles taking anti-skid measures [1] - Agricultural sectors should stockpile feed and prepare for snow disaster and frost damage [1] - Temporary structures vulnerable to snow pressure should be reinforced [1]

Core Points - Shanxi Province has issued a blue snowstorm warning, with snowfall exceeding 5 millimeters in multiple areas, leading to road closures and traffic restrictions for the New Year holiday [1][19] Group 1: Weather Warning - A blue snowstorm warning was issued by the Shanxi Meteorological Station, predicting over 5 millimeters of snowfall in the affected areas within the next 24 hours [1] - The warning covers regions including Linfen, Yuncheng, southwestern Changzhi, Jinzhong, and southern Lüliang [1] Group 2: Traffic Conditions - Specific highways affected by the snowfall include: - G5 Jingkun Expressway: Multiple toll station entrances closed, with traffic being diverted [2][11] - S66 Fen-Shi Expressway: Several toll station entrances closed due to snow [3] - G22 Qinglan Expressway: Toll station entrances closed, affecting traffic flow [4] - G55 Erguang Expressway: Restrictions on larger vehicles and hazardous materials [5][10] - S80 Linghou Expressway: Restrictions on larger vehicles at various toll stations [7] - G59 Hubei-North Expressway: Multiple toll station entrances closed, with restrictions on larger vehicles [14][17] Group 3: Travel Advisory - Travelers are advised to check road conditions and prepare for potential delays due to the snowstorm during the New Year holiday [1][19]

Core Viewpoint - A significant cold wave is affecting various regions in China, leading to widespread snowfall and temperature drops, with emergency measures being implemented in several areas to ensure public safety and manage the impact of the weather [1][2][4][11]. Group 1: Weather Impact - The Central Meteorological Administration issued blue alerts for snowstorms, cold waves, and strong winds, predicting continued adverse weather in central and eastern China [1]. - Major cities such as Hohhot, Taiyuan, Shijiazhuang, Beijing, Tianjin, and Jinan are expected to experience significant snowfall, with warnings about icy roads [1][4]. - In Xinjiang, heavy snowfall has caused over 930 vehicles and 1,800 people to be stranded, prompting local authorities to activate emergency plans [4]. Group 2: Regional Responses - In Hebei, a large-scale snowfall began on the night of December 11, leading to emergency measures such as road de-icing and greenhouse reinforcement [11]. - Shanxi province has implemented traffic control measures on multiple highways due to heavy snow and freezing conditions, with several roads temporarily closed [12][18]. - Emergency services in Shanxi are conducting snow removal and ice melting operations to ensure safe passage for stranded vehicles [14][16]. Group 3: Community Support Initiatives - In Urumqi, the city has established "warm stations" to provide shelter and warmth for outdoor workers during the severe cold, equipped with amenities like refrigerators and microwaves [19][21]. - Local businesses are also contributing by offering free rest spaces and hot drinks to those in need during the harsh weather conditions [21][23]. - Public transport facilities in Urumqi have been modified to enhance comfort for waiting passengers, including heated bus stop seats and anti-slip measures on walkways [23].

Core Viewpoint - Shanxi province is experiencing significant snowfall and temperature drops due to cold air, leading to temporary closures of multiple highways and the issuance of weather warnings [1] Group 1: Weather Impact - A large-scale rain and snow event began on the night of December 11, affecting Shanxi province [1] - The Shanxi Meteorological Station issued a blue snowstorm warning and a yellow warning for road icing [1] Group 2: Transportation Disruptions - As of 7 AM on December 12, several highways in Shanxi were temporarily closed due to snow and icy road conditions [1] - Specific highways affected include Qingyin Expressway (Jinzhong section), Yangquan Ring Expressway, Jingkun Expressway (Lü County section), Tianli Expressway (Lü County section), Hubei North Expressway (Xing County section), Erguang Expressway (Daxin section), Yuanshuo Expressway, and Rongwu Expressway (Datong section) [1] - Shanxi highway police, in collaboration with road administration and maintenance departments, conducted overnight salting and snow removal operations [1]

Group 1 - The Central Meteorological Administration issued a blue snowstorm warning, predicting heavy snowfall in parts of northeastern Tibet, central and northern Heilongjiang, and eastern Jilin from November 1, 8 AM to November 2, 8 AM, with local areas experiencing blizzards (10-15 mm) [1] - Accumulated snow depth in the affected regions is expected to reach 4-8 cm, with some areas exceeding 12 cm [1] Group 2 - Government and relevant departments are advised to prepare for snow disasters and frost damage according to their responsibilities [3] - Transportation, railway, electricity, and communication sectors should conduct inspections and maintenance of roads, railways, and lines, ensuring snow removal and melting operations are in place [3] - Residents are urged to take precautions against cold and slippery conditions, with drivers advised to drive carefully and vehicles to implement anti-skid measures [3] - Agricultural and pastoral areas should stockpile feed and prepare for snow disasters and frost damage [3] - Temporary structures that may be affected by snow pressure should be reinforced [3]

Core Viewpoint - Qinghai Province has issued a blue snowstorm warning, indicating significant snowfall expected in specific areas, which may impact urban operations, transportation, and agricultural production [1] Summary by Relevant Sections - **Weather Forecast**: A blue snowstorm warning was issued by the Qinghai Meteorological Station, predicting heavy snowfall from April 25, 18:30 to April 26, 18:30, with accumulations exceeding 5 millimeters in certain towns [1] - **Affected Areas**: The towns of Tianjun, Xinhai, Tongde, Maqin, Gande, Dari, Jiuzi, and Henan are expected to experience significant snowfall [1] - **Timing of Snowfall**: The heaviest snowfall is anticipated between April 25, 20:00 and April 26, 08:00 [1] - **Impact on Sectors**: The snowfall is likely to affect urban operations, transportation, and agricultural production, necessitating precautionary measures [1]