雨、雪、寒潮！春节出行，紧急提醒

Summary of Key Points Core Viewpoint - The article discusses the significant weather changes in China during the Spring Festival, highlighting increased precipitation, potential snowfall in certain regions, and a cold wave affecting the central and eastern parts of the country. Group 1: Weather Forecast - Increased precipitation is expected across southern China, with regions like Shaanxi and Henan possibly experiencing snowfall [2][7] - A cold wave will move southward, leading to temperature drops of 6 to 10 degrees Celsius in various areas, with some localities in western Jiangnan experiencing drops exceeding 12 degrees Celsius [8] Group 2: Specific Weather Conditions - From February 15 to 17, areas including northeastern Inner Mongolia, central and northern Heilongjiang, and parts of Jiangnan will see significant temperature decreases [8] - Rainfall will be widespread in southern regions, with heavy rain expected in parts of Hubei, northern Hunan, and northern Jiangxi [6][7] Group 3: Public Safety Advisory - The article advises the public to pay attention to weather forecasts and warnings due to the potential for severe convective weather, including thunderstorms and localized hail [7]