南方地区降雨减弱 较强冷空气将自西向东影响我国

Summary of Key Points Core Viewpoint - The article discusses the weather conditions in China, highlighting the weakening of rainfall in the southern regions and the impending arrival of a strong cold air mass from the west, which will affect various parts of the country starting November 5 [1][6]. Weather Conditions - Rainfall is currently concentrated in the southwestern to Jiangnan and southern China regions, with expected moderate to heavy rain in areas such as central and western Yunnan, central and southern Guizhou, southern Hunan, southern Jiangxi, eastern Guangxi, western Guangdong, and southeastern Hainan [2][6]. - The rainfall is predicted to significantly decrease in the aforementioned areas starting tomorrow [2]. Cold Air Mass Impact - A strong cold air mass is forecasted to move from west to east across China from November 5 to 9, initially impacting regions like Xinjiang, western Qinghai-Tibet Plateau, and western Inner Mongolia, leading to temperature drops of 6 to 8 degrees Celsius, with some areas experiencing drops of 10 to 16 degrees Celsius [9]. - Accompanying this cold air mass, there will be winds of 4 to 6 levels, with mountain passes experiencing winds of 8 to 9 levels and gusts reaching 10 to 11 levels [9]. Snowfall and Weather Warnings - The cold air mass will bring light to moderate snow or sleet in northern Xinjiang, with high-altitude areas expecting heavy to extreme snowfall, adding 8 to 12 centimeters of snow, and locally up to 15 to 22 centimeters [9]. - Public advisories are issued to monitor weather forecasts and prepare accordingly for the changing conditions [9].