CCTV News: According to the Central Meteorological Observatory, affected by cold air, from the 11th to 12th, there will be northerly winds of 4 to 6 levels in the middle and lower reaches of the Yangtze River and its northeastern regions, and the temperature in the central and eastern regions dropped by 4 to 6℃, and some areas were 8℃, with a local cooling amplitude of about 10℃; there will be light to moderate snow or sleet in the northeast, some areas in North China, some areas in the eastern part of the northwest region, some areas in the Huanghuai region, central and eastern Tibet, western Sichuan Plateau, and western Jianghan. On the night of the 11th, there will be moderate to heavy snow in the Changbai Mountain area, local blizzards, and most areas in the south will have light to moderate rain. During the day on the 12th, there will be heavy to heavy rain in eastern Guangdong, southeast Fujian, and southern Taiwan Island.