Core Insights - A significant cold wave has impacted central and eastern China, bringing the first large-scale rain, snow, and ice weather event of the winter from January 17 to 21, affecting over twenty provinces [1][2][3] Summary by Sections Snow and Ice Impact - The core areas of snowfall were identified in Henan, northern Hubei, and northern Anhui, with some regions experiencing heavy to extreme snowfall, such as over 20mm of precipitation in places like Jinzhai, Quxian, and Danjiangkou on January 19 [3][4] - Accumulated precipitation ranged from 5 to 15mm in many areas, with specific locations like Zhumadian in Henan and Liu'an in Anhui receiving between 20 to 26mm [1][2] Freezing Rain - Freezing rain occurred in regions including southern Hunan, central Hubei, and parts of Guizhou, with the maximum ice thickness reaching 169mm in Hunan [4] - Ice accumulation affected power lines in multiple counties across Hunan, Guizhou, and Hubei, leading to significant disruptions [4] Temperature Drops - A drastic temperature drop was recorded across most of the country, with average daily temperatures falling by 6°C to 10°C, and some areas experiencing drops of 12°C to 20°C [6][7] - Major cities reported record low temperatures, with Harbin reaching -30.1°C on January 18, marking the lowest temperature recorded in urban areas this winter [7][9] Future Weather Outlook - As of January 22, the cold wave's impact is diminishing, with southern regions expected to experience a stable warming trend, while northern areas will see slower and more variable temperature increases [10][12] - By January 25, temperatures in southern regions are projected to rise above 20°C, while northern areas, particularly in the northeast, will continue to experience below-average temperatures for at least the next week [12]

Summary of Key Points Core Viewpoint - The impact of the recent cold wave in China is coming to an end, with most regions expected to experience a warming trend in the coming days, although northern areas will see a slower rise in temperatures and will be affected by another cold front starting on the 25th, bringing rain and snow to many central and eastern regions [1][2][8]. Group 1: Temperature Changes - A significant drop in temperatures was observed across most of China due to the first cold wave starting on January 17, with major cities like Beijing and Shanghai recording their lowest temperatures of the winter [2]. - Northern regions are expected to see a gradual warming over the next three days, while southern regions will experience a more substantial increase in temperatures, with highs expected to exceed 15°C in many areas by January 24-25 [2]. Group 2: Precipitation Patterns - The recent widespread rain and snow have diminished, particularly in southern regions, with areas like Hubei, Jiangsu, and Zhejiang seeing a cessation of precipitation [3]. - A new round of precipitation is anticipated starting January 25, affecting northeastern, northern, and central regions with snowfall [8]. Group 3: Weather Warnings - Public advisories are in place for continued cold weather, especially in northeastern areas where temperatures will remain significantly lower than usual [2]. - The public is encouraged to stay informed about weather warnings and to plan travel accordingly due to the expected return of rain and snow [8].

Core Viewpoint - The Central Meteorological Administration has issued warnings for freezing rain and snow across various regions in China, indicating potential impacts on transportation, energy supply, public health, urban operations, and agricultural production. Group 1: Weather Warnings - A yellow warning for freezing rain has been issued for regions including central and northwestern Guizhou, central and southern Hunan, northern Guangxi, and parts of Guangdong and Yunnan, with expected freezing rain amounts of 1-2 millimeters, and up to 6 millimeters in localized areas [2][4]. - Forecasts predict small to moderate snow or sleet in parts of Heilongjiang, Shandong Peninsula, central and southern Hunan, and northeastern Guangxi from January 21 to 22, with freezing rain expected in central and northwestern Guizhou and southern Hunan [5][6]. Group 2: Precipitation Forecasts - From January 22 to 23, small to moderate snow is expected in southwestern Xinjiang and western Tibet, with localized heavy snow (5-9 millimeters) [7]. - The forecast for January 23 to 24 indicates small to moderate snow in western Xinjiang and southwestern Tibet, with localized heavy snow (20-28 millimeters) in southwestern Tibet [8].

Core Viewpoint - The strongest winter snow and ice weather has arrived, affecting multiple regions in China, with significant snowfall reported in several provinces and cities [1][2]. Weather Impact - Heavy snow has been observed in Henan, Hubei, Anhui, northern Jiangsu, and other areas, with some regions experiencing blizzards [1]. - Major cities such as Wuhan, Hefei, Nanjing, Shanghai, Hangzhou, and Nanchang have recorded snowfall, with notable accumulation in Hefei, Wuhan, and Nanjing [1]. Snow and Freezing Rain Dynamics - The variation in precipitation types, such as snow and freezing rain, is due to temperature differences at various atmospheric levels, leading to complex changes in precipitation forms [3]. - Snow occurs when the entire atmospheric layer is cold enough for snowflakes to reach the ground [4]. - Freezing rain occurs when snowflakes melt in a warm layer of air and do not freeze before reaching the ground [5]. Agricultural and Transportation Effects - Both snow and freezing rain can adversely affect agriculture and transportation, necessitating caution and preventive measures [6]. Temperature Trends - The current cold wave is expected to lead to significant temperature drops, particularly in southern regions, with the lowest temperatures forecasted to be around 0°C in southern Guizhou, northern Guangxi, southern Jiangxi, and southern Zhejiang [7]. - Most areas in both northern and southern China will experience temperatures significantly lower than the historical averages, with some southern cities like Fuzhou and Nanning seeing maximum temperatures just above 10°C [8].

Group 1 - The core viewpoint of the articles highlights the impact of the current cold wave coinciding with the "Great Cold" solar term, leading to the coldest weather of the winter across China [1][3] - The temperature line of 0°C will reach the Yangtze River, with many cities experiencing maximum temperatures near freezing [3] - Significant rain, snow, and freezing weather are expected in southern regions, particularly in Hubei, Anhui, Jiangsu, Zhejiang, and Jiangxi, with a warning for freezing rain in Hunan and Guizhou [3] Group 2 - By Thursday, most of China will return to a state with little rain and snow, with a noticeable temperature rise in southern regions, especially in Jiangnan, where maximum temperatures may exceed 15°C [5] - In contrast, northern regions will continue to experience low temperatures due to ongoing cold air influences, necessitating precautions for warmth [5]

Core Viewpoint - A significant cold wave and precipitation event is affecting various regions in China, leading to notable temperature drops and potential impacts on transportation and energy sectors [1][3][5][7] Group 1: Weather Conditions - On January 19, areas including central and eastern Gansu, southern Shaanxi, southern Shanxi, and parts of Henan and Shandong experienced significant snowfall or sleet, with precipitation levels reaching 18-22 millimeters in places like Zhumadian, Liu'an, and Fuyang [1] - On January 20, temperatures dropped by 8-10°C in parts of Jiangsu, Anhui, Shanghai, and Zhejiang, with eastern Guizhou experiencing drops of 12-16°C [1][3] - From January 20 to 21, regions such as southeastern Hubei, central and northern Hunan, and northwestern Jiangxi are expected to see moderate to heavy snow, while areas in central and eastern Guizhou and southern Hunan may experience freezing rain [5] Group 2: Warnings and Recommendations - The Central Meteorological Observatory issued blue alerts for cold waves and strong winds, as well as yellow alerts for freezing conditions, predicting temperature drops of 4-6°C across various regions [3] - Experts warn that the extensive cold wave and precipitation could lead to icy conditions on roads and power lines, adversely affecting transportation and energy supply [7] - Public safety measures are advised, including precautions against carbon monoxide poisoning for those using coal heating indoors and general safety when traveling [7]

Core Viewpoint - The Central Meteorological Administration has issued multiple weather warnings due to a severe cold wave, snow, and ice affecting a wide range of regions in China, particularly in the central and southern areas [1][2]. Group 1: Weather Warnings and Impact - A yellow warning for cold wave, snow, and ice, along with a blue warning for strong winds, has been issued [1]. - The cold wave is driven by a strong cold air mass from Siberia, leading to significant temperature drops and complex precipitation patterns, including rain, sleet, and snow [1]. - The affected areas include Jianghuai, Jianghan, and Jiangnan, with heavy snow and freezing rain expected, particularly in Hunan and Guizhou, where freezing rain could reach 5-10 millimeters [1]. Group 2: Forecast and Response Measures - From January 20 to 21, the rain and snow in the southern regions are expected to gradually weaken, but low temperatures will persist until around January 23, when a noticeable temperature rise is anticipated [2]. - Emergency responses have been activated in several provinces, including Anhui and Henan, to address the impacts of the cold wave, with measures in place for road safety and supply stability [2][3]. - In Hunan, an emergency response has been initiated to ensure the transportation of essential goods and monitor infrastructure stability, while Guizhou has also mobilized emergency teams to inspect vulnerable areas [3].

Core Viewpoint - The article discusses the severe weather conditions in China, including a cold wave, heavy snowfall, and freezing rain, and compares the current situation to the 2008 winter disaster, indicating that while the impact is significant, it is not expected to reach the same severity as in 2008 [6][10]. Weather Warnings - The Central Meteorological Observatory issued three warnings: cold wave, heavy snowfall, and freezing rain, with a focus on regions like Henan and Hubei for heavy snowfall and Guizhou and Hunan for freezing rain [6][8]. - The cold wave began on January 17, with significant snowfall recorded in Beijing, where some areas experienced over 15 cm of snow [6][7]. Temperature Changes - From January 19 to 21, temperatures in the Yellow River and southward regions are expected to drop by 6°C to 10°C, with some areas experiencing drops of 10°C to 14°C, and localized drops exceeding 16°C [8][9]. - The freezing rain is anticipated to affect areas in Guizhou and Hunan, with expected precipitation of 1 mm to 3 mm, and localized areas receiving up to 8 mm [8][9]. Comparison to 2008 Disaster - The current weather conditions are compared to the 2008 disaster, which lasted nearly 20 days with multiple rounds of severe weather. The current cold wave's intensity and duration are expected to be less severe [10]. - The article notes that while the impact area is similar to 2008, the current cold wave is not expected to cause the same level of disruption [10]. Regional Focus - Special attention is drawn to Hunan and Guizhou, where freezing rain is expected to persist, and travel conditions may be hazardous due to icy roads [11]. - The overall weather conditions are expected to weaken by January 20 to 21, with temperatures gradually rising from January 23 onward [12].

Core Viewpoint - A significant cold wave is impacting China, with temperatures dropping sharply across various regions, leading to the coldest period of the winter so far and extensive rain and snow events [1][3][4]. Group 1: Cold Wave Impact - The cold wave front has moved past the Yangtze River, with southern regions expected to experience the coldest temperatures during this event [1] - Northern areas are experiencing extreme cold, with temperatures in parts of Northeast China dropping below -10°C and some regions in Inner Mongolia falling below -20°C [3] - The temperature in the Yangtze River basin, which was previously warm, has now dropped to single digits [3] Group 2: Rain and Snow Events - The cold wave is interacting with warm, moist air, resulting in the strongest rain and snow events of the winter [4] - From 8 AM to 2 PM today, significant snowfall was reported in several provinces, including Gansu, Shaanxi, and Henan, with freezing rain observed in Xinyang, Henan [4] - The rain and snow line is expected to continue moving south, affecting areas such as Guangxi and parts of southern China [6][10] Group 3: Temperature Forecast - The coldest temperatures in southern regions are anticipated to occur in the next couple of days, with maximum temperatures around 0°C in the middle and lower reaches of the Yangtze River [8] - Major cities like Hefei, Wuhan, and Nanjing may experience their lowest temperatures of the winter, with some areas potentially dropping below 0°C for the first time this season [8] - The cold wave's effects are expected to persist for an extended period, particularly in areas north of the Yangtze River, with another weak cold air mass expected to arrive after the 25th [9] Group 4: Weather Conditions and Precautions - The rain and snow will continue to be widespread, with heavy snow expected in regions such as Henan and Hubei, and some areas may experience blizzard conditions [10] - The precipitation process is characterized by complex forms of precipitation, including freezing rain, which poses significant risks to transportation, agriculture, and power infrastructure [13] - The precipitation event is expected to conclude on the 22nd, after which warmer, drier conditions will return to much of the central and eastern regions [12]

Core Viewpoint - A cold wave is impacting central and eastern China, leading to significant temperature drops and adverse weather conditions including snow, freezing rain, and strong winds from January 19 to 21 [1][2][6]. Weather Impact Summary - From January 19 to 21, temperatures in the Huanghuai region and southward are expected to drop by 6 to 10 degrees Celsius, with some areas experiencing drops of 10 to 14 degrees Celsius, and localized drops exceeding 16 degrees Celsius [2][6]. - The lowest temperature line is projected to move southward to areas including southern Guizhou, northern Guangxi, central Jiangxi, and southern Zhejiang by the morning of January 21 [2]. Snow and Rain Forecast - A widespread rain and snow event is anticipated across central and eastern regions, with complex precipitation types including rain, snow, and freezing rain [6][11]. - Specific areas such as southern Shaanxi, southern Henan, and parts of Hubei and Anhui are forecasted to experience heavy snow, with accumulations of 4 to 8 centimeters, and localized areas exceeding 12 centimeters [6][11]. Freezing Rain Alerts - Freezing rain is expected in parts of southeastern Henan, southwestern Anhui, and central Hubei, with ice accumulation ranging from 1 to 3 millimeters, and some areas potentially reaching 4 to 6 millimeters or more [8][10]. Wind Conditions - Wind speeds of 4 to 5 levels are forecasted in regions including northeastern Heilongjiang and northern Hebei, while coastal areas will experience stronger winds of 5 to 7 levels, with gusts reaching 8 levels [11][15].