Group 1 - The core viewpoint of the articles highlights a significant cold wave and extensive rain and snow weather process expected in China from January 17 to 21, with various regions experiencing temperature drops and precipitation [1][2] - The Central Meteorological Observatory predicts that the cold wave will impact different regions sequentially, starting from Xinjiang and Inner Mongolia, moving to the central and eastern parts of the country, and finally affecting southern areas like Guizhou and South China [1] - The forecast indicates that areas in the southeast of Northwest China, southern North China, Huanghuai, Jianghan, western Jianghuai, and northern Jiangnan will experience moderate to heavy snow or rain-snow mix, with some regions potentially facing blizzards [1][2] Group 2 - The characteristics of this cold wave process include a larger range of rain and snow compared to previous cold waves, with early transitions from rain to snow in the central and eastern regions [2] - The Ministry of Agriculture and Rural Affairs and the China Meteorological Administration have issued frost damage risk warnings for winter wheat and rapeseed, advising farmers to take preventive measures against frost damage [2]

来源：央视新闻客户端 今天（15日），我国不少地方的气温还在上演"狂飙"大戏。今天14时，辽宁东部、河北南部、河南、山东、贵州等地气温大幅回 升。郑州14时气温更是冲到了21.5℃，打破当地此前1月历史最高纪录。明天，江淮、江南等地的气温仍将在高点徘徊，其中很多地 方最高气温还在20℃以上。 但是，本周末起，寒潮将自北向南对我国展开"速冻"攻势，天气格局将迎来冷暖大逆转。 中央气象台预计，17日至21日，我国大部地区气温将普遍下降6～10℃，其中新疆沿天山地区、内蒙古中西部、黄淮东部、西南地区 东部、江淮、江南北部和西部等地降温幅度可达12℃以上；并伴有4～6级偏北风，阵风7～9级。21日早晨，最低气温0℃线将南压至 贵州到江南南部一带。另外，受补充冷空气影响，23日前南方地区将维持低温天气。 这次降温，可以说是"滑梯式"的持续下降。未来一周，从新疆到华北再到江南、华南北部，大部地区最高气温累计降幅普遍超过 10℃，甚至15℃。而真正的气温"跳水冠军"区域在黄淮、江淮、江汉、江南北部等部分地区，降幅可超20℃。 大城市中，郑州今天还在享受21℃的"春日"暖阳，明起气温开始持续走下坡路，到周日最高气温只剩0℃出 ...

【#河南大范围雨雪已打包发货# 局部大暴雪 气温局地直降20℃】#河南局地气温直降20℃# 1月15日， @大象新闻 记者从河南省气象局获悉，受西南暖湿气流和强冷空气共同影响，预计18日至23日河南省 将有低温雨雪冰冻天气。本轮过程降雪范围广、强度大、积雪深，18日夜里至20日，全省大部均有降 雪，19日为主要降雪时段；过程累计纯雪量：沿黄及以南有大雪(5到10毫米)，中西部、南部部分县 (市、区)暴雪(10到20毫米)，局部大暴雪(20到25毫米)；中西部、南部积雪深度8到12厘米，局部可达15 到18厘米，其他县(市、区)1到5厘米。气温降幅大、低温持续时间长，全省大部气温较前期累计下降10 到15℃，局部16到20℃；19日至23日，全省最高气温维持在0℃以下，20日至23日早晨最低气温全省大 部零下10℃到零下7℃，西部、西北部局部零下14℃到零下12℃，全省大部将出现寒潮。 ...

Core Viewpoint - A significant cold wave driven by high-pressure systems in the Atlantic and Arctic has led to a drastic drop in temperatures across Northern and Central Europe, increasing heating demand and impacting energy supply [1] Group 1: Temperature Impact - Temperatures in southeastern England dropped to a low of -12.5℃, while eastern France and the Bavarian Alps recorded temperatures as low as -22℃ [1] - This cold wave is reported to be the most severe in France since 2012, with 26 departments in northwestern France under orange weather alerts for rain, snow, and ice [1] Group 2: Energy Demand and Supply - The cold weather has significantly raised heating demand across Europe, prompting France to increase the output of gas-fired power plants to meet the highest electricity demand in five years [1] - The coastal Charente-Maritime region in France experienced snowfall accumulation of up to 30 centimeters, further complicating energy supply and demand dynamics [1]

Group 1: Air Travel Disruptions - Schiphol Airport in Amsterdam, one of Europe's busiest hubs, canceled approximately 700 flights on January 5 due to heavy snowfall, with the airport closed until 12:00 GMT [2] - Air France-KLM Group announced plans to cancel at least 300 flights on January 6 at Schiphol Airport due to ongoing adverse weather conditions [2] - Paris airports were instructed to reduce flight operations by 15%, affecting both Charles de Gaulle and Orly airports [3] Group 2: Ground Transportation Impact - Heavy snowfall caused significant disruptions in ground transportation, with Paris public transport suspending dozens of bus routes and road congestion reaching nearly 1,000 kilometers, far exceeding the usual peak of about 300 kilometers [6] - All trains in the Amsterdam area were suspended, and the Dutch railway company planned to implement a "winter operation plan" to reduce train services [6] - The Eurostar service experienced cancellations and delays, with trains to the Netherlands terminating in Brussels instead [6] Group 3: Weather Conditions and Warnings - A cold wave swept across Europe, with temperatures dropping to as low as -30.6 degrees Celsius in areas bordering the Czech Republic and Germany [7] - The UK Met Office issued weather warnings for snow and ice in Scotland, Northern Ireland, and northern England, predicting temperatures to drop below zero degrees Celsius [7] - France's meteorological agency issued an orange alert for snow and ice in several regions, including northwestern France, with temperatures expected to remain low [7]

Group 1 - A cold wave is affecting southern China, with temperatures in Guangxi dropping significantly, particularly in high-altitude areas where temperatures may reach as low as -4°C [2][3] - On January 2, approximately 75% of national meteorological observation stations in Guangxi recorded single-digit temperatures, with the lowest temperature in Guizhou County at 2.2°C [2] - The temperature in Nanning reached a new low of 11.2°C on January 2, marking the coldest day of the winter season so far [2] Group 2 - The weather forecast indicates that from January 4 to 7, two additional cold air masses will arrive, leading to further temperature drops in southern regions [3] - Nanning's temperature is expected to range from 10°C to 18°C on January 2 night to January 3 day, with nighttime and morning temperatures being particularly low [3] - The overall trend for the upcoming week shows a gradual temperature increase after the initial drop, with significant day-night temperature differences [3]

Weather Forecast Summary - The Central Meteorological Observatory predicts weak precipitation in most parts of the country over the next three days, but eastern Northwest and eastern Southwest regions will still experience rain and snow [1][3] - A cold wave is moving southward, causing temperatures in southern regions to drop significantly, with some areas experiencing a temperature decrease of 10°C to 14°C [7][9] - The highest temperature in Nanning, Guangxi, is expected to drop to 13°C, marking the lowest temperature this winter [7] Weather Impact and Recommendations - Snow and ice accumulation may adversely affect transportation, especially during the New Year holiday, prompting the public to plan travel accordingly and drive cautiously [5] - The Central Meteorological Observatory has issued a blue warning for strong winds in eastern and southern sea areas, with wind speeds reaching 7-8 levels and gusts up to 10-11 levels in certain areas [9]

Group 1 - The article discusses the impact of a cold wave affecting the central and eastern regions of China, with significant temperature drops expected, particularly in southern areas where temperatures may decrease by up to 10°C [2][4][11] - Rain and snow intensity has decreased, but light rain or snow is still anticipated in certain areas, including the southeastern part of the northwest region and parts of Henan and Hubei [2][3] - The article emphasizes the importance of dressing appropriately for the cold weather, recommending a layered approach to clothing to maintain warmth [4][5][10] Group 2 - Specific recommendations for cold weather protection include wearing moisture-wicking inner layers, warm middle layers, and waterproof outer layers [5][10] - Key body areas that are vulnerable to cold, such as the head, neck, and ankles, should be adequately protected to prevent discomfort and health issues [8][9] - Dietary advice includes consuming warming, high-protein foods while avoiding cold and raw foods to maintain body heat and digestive health during the cold wave [11]

Group 1 - The central viewpoint of the news is the impact of a cold wave on the weather in central and eastern China, leading to significant temperature drops and the need for public awareness regarding cold weather precautions [1][4]. - The cold air is expected to continue affecting the central and eastern regions, with average daily temperatures dropping by 6 to 8 degrees Celsius in several areas, and some regions experiencing drops of up to 10 degrees Celsius [4][2]. - Rain and snow conditions are diminishing, but the southwestern regions will still experience overcast and precipitation during the holiday period [2][4]. Group 2 - Recommendations for dressing during the cold wave include layering clothing in an "onion style," with moisture-wicking inner layers, warm middle layers, and waterproof outer layers [5][6]. - Key body parts that require extra protection from the cold include the head, neck, and ankles, with suggestions for wearing knitted hats, scarves, and warm socks [9][10]. - Dietary advice includes consuming high-protein foods like beef, lamb, and chicken, along with warming vegetables, while avoiding cold foods that may irritate the stomach [10].

Group 1 - The central and eastern regions of China will see a return of sunshine, while the northwest and southeastern regions will continue to experience rain and snow [2][3] - The cold wave is shifting southward, with temperatures in southern regions continuing to decline, particularly in Guangxi where the maximum temperature is expected to drop to 13°C, marking a new low for the winter [4] - The first half of January will see frequent cold air activities, with two additional cold air masses expected to arrive on January 4-5 and January 6-7, leading to colder conditions than usual in southern and eastern northwest regions [4] Group 2 - Meteorological experts warn that snow accumulation and ice may adversely affect transportation, especially during the New Year holiday, advising the public to plan travel accordingly and drive cautiously [3] - The overall temperature in the central and eastern regions is slowly recovering, but remains low, with the 0°C line expected to move further south into southern Jiangnan [4] - The weather conditions are characterized by a combination of cold air and high humidity, resulting in a pronounced chill in the air, particularly in southern areas [4]