Core Points - A significant temperature drop is expected across multiple regions in China following a period of warming, with forecasts indicating a decrease of 8°C to 14°C, and in some areas, over 20°C [1][2] - The cold wave is predicted to impact various regions including Xinjiang, Inner Mongolia, Heilongjiang, and parts of southern China, with the lowest temperatures expected on the night of March 29 to the early morning of March 30 [1][2] Summary by Sections - **Temperature Changes**: The Central Meteorological Observatory has issued warnings for cold waves, strong winds, fog, and sandstorms, forecasting a drastic temperature drop across northern and southern regions of China [1] - **Public Advisory**: Meteorological experts advise the public to adjust their clothing according to the fluctuating temperatures and to be cautious of strong winds and potential hazards from falling objects in northern areas, while southern regions should be aware of severe convective weather [2]

Group 1 - The cold wave is expected to impact most regions of China from March 25 to 29, with temperature drops of 8 to 12°C nationwide, and some areas experiencing drops of 14 to 16°C, with local maximum temperature drops exceeding 20°C [2][3] - The cold wave will bring strong winds and dust storms to northern regions, with wind speeds reaching 4 to 6 levels, and gusts in some areas reaching 10 to 11 levels [3] - Areas south of the Huai River will experience strong convective weather, including light to moderate rain or thunderstorms, with localized heavy rain expected [4] Group 2 - The cold wave will lead to significant temperature fluctuations, with the minimum temperature line expected to be at 0°C in central North China to southern Shaanxi by the morning of March 30 [2] - Dust storms are anticipated in regions such as eastern and southern Xinjiang, central and western Inner Mongolia, and western Gansu, with some areas experiencing sandstorms [3] - Meteorological experts warn of health risks due to the cold wave and dust storms, advising the public to take precautions against respiratory diseases and to be cautious of low visibility affecting transportation [5]

Weather Impact Summary - A cold air mass continues to affect central and eastern China, with widespread rainfall expected in the south and the development of rain and snow in the north over the next two days [1][7] - In Beijing's Yanqing District, snowfall was reported, with temperatures expected to drop below 0 degrees Celsius [2][8] - Hebei Province experienced snowfall in Zhangjiakou and Chengde, with temperatures also falling below freezing, prompting traffic safety measures [3][9] - Qinghai Province saw new snowfall, with the maximum snow depth reaching 8 centimeters in Delingha, leading to traffic disruptions [4][11] - Gansu Province experienced a new round of cooling and precipitation, beneficial for soil moisture during the critical spring period for winter wheat [5][12] - Jiangxi Province faced severe convective weather, with strong winds causing significant damage to crops and infrastructure [6][13] - Hunan Province was hit by hailstorms, with the weather forecast indicating continued rain and temperature drops [7][13]