Summary of Key Points Core Viewpoint - The article discusses significant weather events affecting northern China, including strong winds, temperature drops, and dust storms, as well as heavy snowfall in specific regions. It emphasizes the potential impacts on transportation, tourism, and public health during the Spring Festival travel period. Weather Conditions - Strong winds and temperature drops are reported in the eastern Northwest region, Inner Mongolia, and Shanxi, with wind speeds reaching 12-14 levels in some areas. Temperature drops of 6-10°C are expected, with some regions experiencing drops exceeding 12°C [2][5] - Dust storms and floating dust are prevalent in the Northwest, North China, and Inner Mongolia, with local sandstorms reported in areas like Bayannur and Hohhot [2][7] Weather Forecast - From the night of February 21 to February 22, temperatures in Inner Mongolia, the northern Northwest, and Northeast China are expected to drop by 6-10°C, with some areas experiencing drops of 12-14°C [2][5] - A blue cold wave warning has been issued, indicating significant temperature drops across various regions [2] Snowfall Predictions - Heavy snowfall is anticipated in northeastern Inner Mongolia, western Heilongjiang, and western Jilin, with local areas in Heilongjiang expecting extreme snowfall of 20-25 mm [9][12] - Accumulation of snow is expected to reach 6-12 cm in some areas, with localized regions exceeding 18 cm [9] Rainfall and Severe Weather - From February 22 to 24, southern regions are forecasted to experience widespread rainfall, with strong rain expected in areas like Guizhou, Hunan, and Jiangxi, potentially leading to secondary disasters [11][12] - Severe convective weather, including thunderstorms and hail, may occur in parts of Jiangnan and Guizhou [11]

Group 1 - The core viewpoint of the article highlights the impact of a strong cold air mass affecting northern regions of China from the night of February 19 to February 22, leading to significant temperature drops and adverse weather conditions [2][6] Group 2 - Northern regions will experience temperature drops of up to 14°C due to the strong cold air mass [2][3] - Wind speeds in areas such as Jianghuai and northward will reach 5-6 levels, with gusts of 7-8 levels, accompanied by temperature drops of 6-8°C [3] - In parts of Xinjiang and Inner Mongolia, wind speeds may reach 7-8 levels, with gusts up to 9-10 levels, and temperature drops of 14°C [3] - Dust storms are expected in the northwest, with some areas experiencing severe dust storms [3] Group 3 - From February 22, a large-scale rainfall event is anticipated from Huanghuai to Jiangnan [6] - Increased snowfall is reported in northern Xinjiang, with some areas experiencing moderate to heavy snow, and localized blizzards [4][6] - Public is advised to pay attention to weather forecasts and warnings, and to plan travel accordingly for safety [6]

Group 1 - The article discusses the impact of a cold wave affecting various regions in China, leading to significant temperature drops and precipitation events [1][3][5] - Specific areas such as Jiangnan, Huazhong, and Huabei are experiencing temperature decreases of 6-10°C, with some localities seeing drops exceeding 12°C [2][3] - The article highlights the occurrence of snow and rain in regions like Shanxi, Henan, and Hubei, with some areas experiencing heavy snowfall [2][7] Group 2 - The article mentions the issuance of blue alerts for cold waves and strong winds by the Central Meteorological Observatory, indicating severe weather conditions [3][5] - Visibility issues due to fog are expected in coastal areas of South China, with warnings issued for low visibility conditions [8] - The forecast includes continued precipitation and temperature fluctuations across various regions, with specific warnings for strong winds in the Yellow Sea and East China Sea [10][12]

Domestic Weather Situation - Snow and mixed rain occurred in Shanxi, Henan, and Hubei, with significant temperature drops in North China and the Huanghuai region [1] - From 8 AM on February 16 to 8 AM on February 17, temperatures in Jiangnan, South China, and other regions are expected to drop by 6-8°C, with some areas experiencing drops of up to 10°C [2] - A blue alert for cold wave has been issued by the Central Meteorological Observatory [2] Global Weather Situation - Strong rainfall was reported in Southeast Asia and Brazil, with heavy rain in various regions including Japan, the Philippines, and parts of South America [9] - Central and Eastern Europe experienced significant snowfall, with forecasts indicating continued heavy snow and temperature drops of 6-10°C in affected areas [10] Future Weather Forecast - From February 16 to 17, regions including Inner Mongolia, Xinjiang, and parts of the Jianghuai and Jiangnan areas are expected to see light snow or mixed rain, with some areas in Xinjiang experiencing moderate to heavy snow [11] - Coastal areas in South China are forecasted to experience dense fog, with visibility dropping below 1 kilometer [7]

Temperature Summary - The average temperature in Liaoning Province for January was -10.9℃, which is 1.5℃ lower than the historical average for the same period, marking the lowest since 2017 [1] - A sustained low-temperature period lasted for 9 days from January 17 to 25, with average temperatures, maximum temperatures, and minimum temperatures being 5.8℃, 5.6℃, and 5.4℃ lower than historical averages, respectively, also the lowest since 2017 [1] - The lowest recorded temperature in the northeastern region dropped below -30.0℃, with the lowest temperature in Xifeng reaching -37.0℃ on January 21 [1] Precipitation Summary - The average precipitation for January was 4.4 mm, close to the historical average, with a 60% increase in the first ten days, a 10% increase in the middle ten days, and a 90% decrease in the last ten days [2] - There were two significant snowfall events in January, with the first occurring from January 9 to 10, resulting in an average snowfall of 3.3 mm and a maximum of 14.4 mm in Xiong Yue [2] - The second snowfall event occurred from January 14 to 15, with an average snowfall of 0.7 mm and a maximum of 4.4 mm in Xifeng [2] Cold Wave Summary - A cold wave occurred from January 10 to 12, affecting 55% of the province, with a maximum temperature drop of 21.4℃ recorded in Sujiatun [3] - The average temperature drop during this cold wave was 10.0℃, with the lowest temperature reaching -30.8℃ in Xifeng on January 11 [3]

Group 1 - The weather in the province is transitioning from rainy and cold to cloudy with slight temperature increases, with maximum temperatures around 9°C in most areas and reaching 13.5°C in Wenzhou [1][3] - Tomorrow, a cold air mass will bring rain and potential snow to certain regions, particularly in the northern areas where light to moderate rain is expected, and mixed rain and snow in the mountainous regions [3][5] - The forecast indicates that today will be mostly cloudy to overcast, with some areas experiencing light rain at night, while tomorrow will see increased precipitation across the province [5] Group 2 - The minimum temperatures this morning ranged from 4-6°C in the southeastern coastal areas to 0°C to -2°C in mountainous regions, with frost expected [5] - The maximum temperatures for today are forecasted to be between 11-13°C in northern and coastal areas, and 13-15°C in other regions [5]

Weather Forecast Summary - The sky in Beijing will become cloudier over the next three days, with light snow expected in the southern and western mountainous areas today [1][3] - The highest temperature today is forecasted to be 2°C, a decrease from yesterday's maximum of 4.2°C, while the lowest temperature will drop to -5°C tonight [3] - By the day after tomorrow, the maximum temperature is expected to fall to 0°C, with light snowfall anticipated in the western and northern regions [3] - The public is advised to take precautions against the cold, especially during early morning and evening hours [3]

Weather Summary - The weather on January 27 is expected to be mostly sunny with a maximum temperature of 4°C in plain areas and 1-4°C in mountainous regions, with a minimum relative humidity of 20% [6] - The night temperature will drop to -6°C in plain areas and -12 to -9°C in mountainous areas, with a maximum relative humidity of 50% [6] - On January 28, the weather will be cloudy with a maximum temperature of 2°C in plain areas and 0-3°C in mountainous regions, with a minimum relative humidity of 35% [6] - The night temperature on January 28 will be -5°C in plain areas and -11 to -8°C in mountainous areas [6] - On January 29, the weather will transition from cloudy to partly cloudy, with a maximum temperature of 2°C in plain areas and 0-2°C in mountainous regions [7] - The night temperature on January 29 will be -4°C in plain areas and -9 to -6°C in mountainous areas [8] Upcoming Weather Trends - By the end of January, cloud cover will increase, and light snow is expected in the western and northern regions around January 30, with daytime temperatures dropping to around 0°C [10] - The cooling period is expected to be short, followed by a stable temperature recovery [10] - A significant cold front is anticipated to bring widespread rain and snow starting from January 29, with a notable drop in temperatures [19]

Group 1: Weather Conditions - The southern regions of North China, Huanghuai, and Jianghan are experiencing haze, with light to moderate haze expected from January 26 to 28, and some areas facing heavy haze [2] - From January 26 to 27, light to moderate rain is forecasted in Jianghuai, Jiangnan, South China, and Guizhou due to weak cold air [3] - A new cold air mass will impact the central and eastern regions of China from January 29 to 31, leading to temperature drops of 4 to 6 degrees Celsius, with localized drops exceeding 8 degrees Celsius [4] Group 2: Snow and Rain Forecast - Significant snowfall is expected in parts of southwestern Xinjiang and western and southern Tibet, with heavy snowfall in some areas from January 26 night to 28 [5] - Specific forecasts indicate that from January 26 at 08:00 to January 27 at 08:00, areas in Inner Mongolia, Jilin, Heilongjiang, and parts of Xinjiang will see light to moderate snow or sleet, with localized heavy snow (5 to 8 mm) in certain regions [6] - From January 27 at 08:00 to January 28 at 08:00, parts of Xinjiang and western Tibet are expected to experience light to moderate snow, with some areas facing heavy snowfall (20 to 24 mm) [8]

Core Viewpoint - The main focus of the article is the expected snowfall in Henan province, which is anticipated to start in the afternoon and will help alleviate the persistent smog in the region [3][4]. Weather Forecast - Snow is expected to begin in the afternoon, moving from west to east across the province, with intensity ranging from light to moderate [3]. - Although the snowfall amount is not significant, it will create a picturesque winter scene in some areas [3]. - The cold air accompanying the snowfall will lead to a temperature drop of 3 to 6 degrees Celsius, with some local areas experiencing drops exceeding 8 degrees Celsius [7]. Safety Warnings - A yellow warning for road icing has been issued by the Zhengzhou Meteorological Station, particularly affecting the early morning and morning hours due to low nighttime temperatures [3][5]. - Areas in southern Henan, such as Xinyang and Nanyang, are advised to be cautious of freezing rain, which poses greater risks than snow, potentially impacting road traffic and power facilities [3]. Air Quality Improvement - The article notes that the snowfall will serve as a "main force" in dispersing the lingering smog, which is currently at light to moderate levels in parts of the province, with some areas experiencing heavy smog [3].