Core Viewpoint - A significant cold wave is impacting central and eastern China, leading to a drop in temperatures and widespread rain and snow, prompting emergency responses and school closures in several provinces [1][2][6]. Weather Warnings - The Central Meteorological Observatory issued a yellow cold wave warning, forecasting a temperature drop of 6-12°C across central and eastern regions from January 18 to 21, with some areas experiencing drops of 12-14°C and localized drops exceeding 16°C [2]. - A blue snowstorm warning was also issued, predicting heavy snowfall in parts of Shaanxi, Henan, Anhui, and Hubei, with snow accumulation of 4-8 cm and localized areas exceeding 10 cm [3]. - An ice warning was issued, indicating freezing rain in regions including Henan, Hubei, and Hunan, with expected ice accumulation of 1-3 mm, and up to 8 mm in mountainous areas [5]. Emergency Responses - The National Disaster Reduction and Relief Committee activated a level four emergency response for low-temperature rain and snow disasters in Anhui, Henan, Hunan, and Guizhou due to the extensive impact and high risk of disasters [6][10]. - Multiple provinces, including Anhui and Henan, have issued school closure notices in response to the severe weather conditions [6]. School Closures - In Anhui, schools at various levels will be closed on January 19 due to the weather [7]. - In Henan, cities such as Zhoukou, Zhumadian, and Luohe have announced full-day school closures on January 19, with adjustments for high schools based on real-time weather conditions [11][12][14]. - In Jiangsu, Xuzhou has decided to close all primary and secondary schools for two days (January 19-20) due to expected heavy snow and severe freezing conditions [15].

Group 1 - The National Disaster Reduction and Relief Committee has initiated a Level 4 emergency response for low-temperature rain, snow, and ice disasters in Anhui, Henan, Hunan, and Guizhou provinces due to the expected severe weather from January 18 to 21 [1][2] - The Central Meteorological Observatory has issued yellow warnings for cold waves and ice, as well as a blue warning for heavy snow, indicating significant weather risks in the affected regions [1][2] - The emergency response aims to ensure safety, maintain transportation, secure power supply, protect livelihoods, and stabilize the situation, with a focus on key sectors such as transportation, electricity, and communication [2] Group 2 - The response includes enhancing emergency coordination mechanisms, strengthening joint assessments, and pre-positioning rescue teams and materials to address potential emergencies effectively [2] - The committee has deployed working groups to assist on-site in Henan and has increased support in Hunan and Guizhou to manage the situation [2]

在渤海辽东湾，超过22%的海面被浮冰覆盖，浮冰厚度10—20厘米。海事部门实施船舶分级调度，进行 不间断破冰引航，全力保障船舶航行安全与重点物资运输安全畅通。 中央气象台预报，本轮寒潮主体继续南下，明天进入雨雪最强时段，陕西、河南、山东、湖北、安徽、 江苏等地将有大雪或暴雪，河南、湖北、湖南、贵州、重庆等地部分地区将有冻雨，须提前做好防范。 国家防灾减灾救灾委员会今天18时针对安徽、河南、湖南、贵州等四省启动国家低温雨雪冰冻灾害四级 应急响应，并向湖南、贵州派出工作组协助指导开展抢险救援。 交通运输部等部门开展会商，加强路网运行动态监测，调度陕西、山东等九个省市的交通运输主管部 门，加大科学研判，强化主动防御，做好出行引导。 央视网消息（新闻联播）：寒潮来袭，昨天（1月17日）以来，华北、黄淮多地出现雨雪天气，中央气 象台今天下午继续发布寒潮黄色预警。 北京遭遇今年首场大范围降雪天气，昨夜今晨，房山、丰台、石景山、海淀、大兴等地大雪纷飞，7个 区发布暴雪预警，交通、环卫等相关部门出动各类设备近万台套，全天候开展除雪作业。河北多地出现 降雪天气，部分高速路段一度受阻，高速交警、养护部门等持续进行融冰除雪作业，保 ...

Core Viewpoint - A significant weather event is expected in China's central and eastern regions from January 18 to 21, with a complex mix of rain, snow, and freezing rain, leading to high risks of low-temperature disasters [1] Group 1: Weather Forecast - A large-scale rain and snow weather process will occur from north to south in central and eastern China [1] - Areas such as southern Shaanxi, central and southern Henan, western Hubei, northern Hunan, and western Anhui may experience heavy snow [1] - Freezing rain is expected in parts of southern Anhui, central and southern Henan, western Hubei, Hunan, Guizhou, and northeastern Chongqing [1] Group 2: Emergency Response - The Central Meteorological Observatory issued yellow warnings for cold waves and freezing, and blue warnings for heavy snow on January 18 [1] - The National Disaster Reduction Committee initiated a level four emergency response for low-temperature rain and snow disasters in Anhui, Henan, Hunan, and Guizhou [1] - Emphasis is placed on ensuring safety, traffic flow, power supply, and stability, with a focus on key sectors such as transportation, electricity, and communication [1]