寒潮即将到来！中东部将现入冬以来最强雨雪冰冻过程

Core Viewpoint - A significant temperature fluctuation is expected across China, with a sharp drop in temperatures following a brief period of unseasonably warm weather, leading to potential impacts on daily life and travel [1][3][5]. Group 1: Temperature Changes - Many regions in China experienced a dramatic rise in temperatures, with Zhengzhou reaching 21.5°C, breaking the historical record for January [1]. - Starting from the weekend, a cold wave will sweep from north to south, causing temperatures to drop by 6 to 10°C across most areas, with some regions experiencing drops exceeding 12°C [3]. - The temperature drop will be particularly severe in areas like Huanghuai, Jianghuai, and Jiangnan, where declines could exceed 20°C [5]. Group 2: Weather Conditions - The upcoming week will see a "sliding" decrease in temperatures, with major cities like Zhengzhou expected to see a drop from 21°C to just above 0°C by Sunday, and potentially down to -5°C early next week, marking a cumulative drop of over 25°C [5]. - The northeastern region will experience extreme cold, with maximum temperatures expected to fall below -15°C and minimums below -25°C, indicating a significant cold snap [7]. - A major rain and snow event is anticipated in the central and eastern regions, with the potential for heavy snowfall and icy conditions, particularly from January 19 to 21 [8]. Group 3: Travel and Safety Implications - The forecasted snow and ice accumulation will adversely affect transportation, necessitating travelers to monitor road conditions and plan accordingly for safety [10].