Group 1 - The winter solstice on December 21 in Nanning is expected to have unusually high temperatures, reaching up to 22°C, resembling summer rather than winter [1] - The upcoming week (December 20 to 26) will see alternating weather patterns with two weak cold air masses affecting the region, but significant rainfall is not anticipated [1][2] - A warming trend is noted across China, with regions like Northeast and Jiangnan experiencing record high temperatures for this time of year, although a new cold front will lead to a temperature drop of over 10°C in many areas [1] Group 2 - Nanning's weather forecast indicates cloudy to overcast conditions with fog, and temperatures ranging from 17°C to 25°C during the day [2] - The average temperature for the upcoming week in Nanning is expected to be higher than usual, with a lower than average rainfall [2] - There are warnings for increased forest fire risks and air pollution dispersion due to dry conditions, along with advice for the public to dress warmly due to significant temperature differences between day and night [2]

（来源：湖州日报） 转自：湖州日报 本报讯 昨天，湖州城市气象站最高气温冲到了21.8℃，破历史同期最高纪录，但今天下午，又一股冷空 气将至。 据市气象台高级工程师梁明珠介绍，今天上午暖意依旧在线，最高气温预计仍可达19℃左右。下午起， 一股冷空气将南下影响我市，预计气温会出现"断崖式"下跌，并伴有大风和降雨，高山区还可能会有雨 夹雪或雪。周日，最高气温仅剩个位数，在8℃到9℃。 12月22日至23日，随着暖湿气流快速北抬，我市气温将再度回升，最高气温又将升至14℃至17℃。而 后，又有冷空气来打乱升温节奏，最高气温又会降至10℃以下。 记者 忻 媛 ...

央视网消息：据中国天气网消息，今天（12月18日），我国回暖浪潮将迎来近期高点，东北、江南等地 将出现同期少见甚至破纪录的暖意。不过随着新一股冷空气登场，气温将冲高回落，多地累计降温幅度 超10℃，气温起伏剧烈，需及时添衣。降水方面，今天北方雨雪向东扩展，东北降雪强度增强，南方降 雨范围也将同步扩大。 新一股冷空气登场 中东部气温将冲高回落 近日，中东部地区持续回暖模式。今天这波回暖浪潮将达到高点，最高气温20℃线向北一直推进到河南 南部，10℃线到河北南部，偏暖最显著的是东北、江南等地，部分地区将出现同期少见甚至破纪录的温 暖，像黑龙江哈尔滨、湖北武汉、湖南长沙等地最高气温都将偏暖10℃以上。 随着新一股冷空气到来，今天华北地区大气扩散条件将率先好转，黄淮到长江沿线一带受上游传输影 响，大气扩散条件可能会先短暂转差，部分地区霾天气来扰，待冷空气抵达后逐步好转。 北方降雪范围扩大 东北多地有大到暴雪 昨天，北方的西北地区东部、内蒙古东北部、东北等地雨雪天气增多，局地出现强降雪，南方的华南沿 海地区迎来小雨天气。 今天，北方雨雪将向东扩展，东北多地有大到暴雪，南方降雨也将增多。中央气象台预计，今天内蒙古 东北部 ...

未来两天全国大部天气晴好 中新网12月17日电 据中央气象台网站消息，预计未来三天，新疆北部、东北地区北部等地有降雪天气，关注对交通运 输、农牧业、能源供应等的影响；关注华北、黄淮、陕西关中、四川盆地等地霾和大雾天气对人体健康、交通出行等 的不利影响。 未来三天全国大部地区天气晴好 未来三天，全国大部地区降水较少。预计，12月17日至18日，新疆北部、内蒙古东部、西藏东部、黑龙江等地有小到 中雪，新疆北部阿勒泰等地高海拔地区大到暴雪；西南地区东部、华南东部等地有小到中雨。此外，19日至21日受冷 空气影响，我国中东部大部有4~6℃降温，西北地区东部、内蒙古中东部、东北地区、华北西部等地部分地区降温 8~10℃，局地10℃以上，上述地区伴有4~5级风、阵风6~8级，东部和南部海域有5~7级风、阵风8~9级；西北地区东 部、华北西部、内蒙古东部、东北地区北部等地有小到中雪或雨夹雪，内蒙古东部、黑龙江等地部分地区大雪；西南 地区东部、江汉、江淮、华南等地有小雨。 国内未来三天具体预报 12月17日08时至18日08时，新疆北疆北部、西藏东部、川西高原北部等地部分地区有小到中雪或雨夹雪，其中，新疆 阿勒泰及伊犁河谷等 ...

Core Viewpoint - The article discusses the extreme cold weather conditions in northern China, with record low temperatures, followed by a brief warming period before another cold front arrives. Group 1: Current Weather Conditions - The lowest recorded temperatures in northern China include -41.8℃ in Inner Mongolia's Tulihe, -41.5℃ in Heilongjiang's Huzhong, and -41℃ in Mohe, marking new lows for this winter [1] - The perceived temperature in these areas is below -45℃, indicating severe cold conditions [1] Group 2: Temperature Trends - A temperature divergence is observed across the country, with regions south of the Huai River and parts of the northwest experiencing a warming trend, while eastern Inner Mongolia and northeastern areas face a 6 to 10℃ drop due to cold air [3] - From December 18 to 19, temperatures are expected to rise significantly, with the highest temperatures reaching around 20℃ in southern Henan to northern Anhui, which is notably higher than the seasonal average [3] Group 3: Regional Temperature Changes - Notable warming is expected in northeastern and central-southern Yangtze River regions, with average temperature increases of around 10℃, and some areas exceeding 12℃ [4] - Cities like Harbin, Changchun, Shenyang, Hefei, Wuhan, and Changsha are projected to see maximum temperatures on December 19 that are 10℃ higher than the typical mid-December averages, with Hefei potentially reaching 22℃, which could break the mid-December record [5] Group 4: Future Weather Forecast - The warming trend will cease after December 19, as a stronger cold air mass will lead to noticeable temperature drops across the country [7] - Following the winter solstice, temperatures are expected to return to normal or below normal levels, reinstating typical winter conditions [7] - Precipitation is expected to be minimal, with dry and clear weather dominating most regions, although some snowfall is anticipated in northern areas, particularly in Xinjiang and Heilongjiang [7][8]

Group 1 - This week, significant warming is expected across many regions in China, with temperature increases of 6-10°C in the central and eastern parts, and some areas in Northeast and eastern Jiangnan exceeding 12°C [1][2] - By Friday, temperatures will peak, with most of Northeast China rising above 0°C during the day, and the 10°C line reaching southern North China, while the 20°C line will extend to the Yangtze River region, with temperatures about 10°C higher than the same period in previous years [2][4] - The temperature difference between day and night will exceed 10°C in most areas, with some regions north of the Yangtze River experiencing differences of 15°C to 20°C, necessitating attention to warmth during early and late hours [4][5] Group 2 - Precipitation will initially be sparse but will increase later in the week, with overall intensity remaining low; from Monday to Wednesday, scattered rain and snow will occur in regions such as Xinjiang, Heilongjiang, Yunnan, Guizhou, Guangxi, and Hainan, with significant snowfall expected in northern Xinjiang [5][7] - By the weekend, a larger area from Huanghuai to South China will experience considerable rainfall due to the interaction of cold and warm air masses, with potential for widespread moderate rain in Jianghuai to Jiangnan [7][9] - The northern regions, including North China and southern Northeast China, will see little to no precipitation this week, with afternoon humidity levels dropping below 30%, highlighting the need for hydration and safety precautions regarding fire and electricity [9][11]

Group 1 - The central meteorological observatory reports a significant drop in temperatures across central and eastern regions of China, with decreases of 6 to 10 degrees Celsius, and in some areas, over 10 degrees Celsius [1] - A rebound in temperatures is expected in the coming days, but the public is advised to continue taking precautions against cold weather and winter illnesses due to the previous significant temperature drop [1] - A weak cold air mass is anticipated to affect eastern Inner Mongolia and northeastern regions around December 16, leading to a temperature decrease of 4 to 6 degrees Celsius [1] Group 2 - Recent weather conditions have resulted in light snow or sleet in northern Xinjiang, central Inner Mongolia, northeastern regions, and parts of Shandong and Jiangsu, with moderate to heavy snow reported in Dalian, Yantai, and Weihai [2] - The forecast for the next three days indicates sparse precipitation across most of the country, with some areas in northeastern Inner Mongolia and northern Xinjiang experiencing light to moderate snow, and localized heavy snow [2]

Group 1 - A strong cold air mass is affecting Shanghai, with a temperature drop of 8℃ to 10℃ expected within 48 hours [1] - The lowest temperatures in the city are forecasted to be around 4℃ in urban areas and between -2℃ to 1℃ in suburban areas, with the possibility of thin ice [2] - The temperature is expected to slightly rebound on Friday, with a maximum temperature of 13℃, followed by a significant warming trend over the weekend, reaching up to 19℃ [2] Group 2 - Shanghai has not experienced any rainfall for nearly a month, with only 8.5 millimeters of precipitation recorded in November, which is less than 20% of the average for the same period [2] - Rain is anticipated to return next week due to the influence of warm and moist air moving northward [2]

Group 1 - The first cold air mass of December is expected to bring significant temperature drops and light precipitation to Hangzhou, with average daily temperature decreasing by 5℃ to 7℃ [2] - The lowest temperatures are forecasted to occur on Thursday and Friday mornings, with plains expected to see temperatures between 1℃ and 4℃, and mountainous areas between 0℃ and 3℃, potentially leading to frost or ice [2] - November was notably dry, with Hangzhou's average temperature at 13.9℃, 0.6℃ above the historical average, and total precipitation at only 28.5mm, about 62% less than normal [1] Group 2 - The incoming cold air mass will also bring some moisture, resulting in light rain in parts of the city from Tuesday afternoon to Wednesday morning, which will help alleviate dryness [2] - The cold air mass is associated with the influx of external pollutants, leading to light pollution levels in Hangzhou and surrounding areas, with air quality expected to deteriorate as the cold front arrives [2] - Residents are advised to take precautions against potential health impacts from air pollution, including wearing masks and minimizing outdoor activities [2]

Summary of Key Points Core Viewpoint - A significant increase in snowfall is expected in eastern Inner Mongolia and northeastern regions, with local areas experiencing heavy to blizzard conditions, necessitating public caution regarding road conditions and travel safety [1][2][4]. Weather Conditions - Eastern Inner Mongolia and northeastern regions will see increased snowfall today, with local areas expecting heavy to blizzard conditions, leading to snow accumulation of 4 to 8 centimeters, and locally exceeding 10 centimeters [2][4]. - The central and eastern regions will continue to experience dry weather with minimal precipitation over the next few days, prompting public advisories for hydration and safety regarding electricity and fire usage [2][4]. Temperature Fluctuations - A warming trend is observed in the central and eastern regions, with temperatures expected to rise significantly before a cold front causes a drop in temperatures, with some areas experiencing a temperature fluctuation exceeding 15°C [5]. - By early December, temperatures are projected to reach new lows across a wide area, with some regions experiencing a cumulative drop of over 15°C, and local areas potentially exceeding 20°C [5]. Rainfall Predictions - As warm and moist air strengthens in early December, a significant rainfall event is anticipated in southern regions, which, while not heavy, will help alleviate dryness and reduce forest fire risks in southern China [6].