较强冷空气来袭 将自西向东影响我国

Core Points - A strong cold air mass is expected to impact most regions of China from west to east, bringing significant temperature drops and precipitation [4][5][6] Group 1: Weather Impact - Heavy rainfall has been reported in regions such as Zhejiang, Guangxi, and Chongqing, with local areas experiencing extreme rainfall, including 286.8 mm in Fangchenggang, Guangxi [2][3] - From October 16 to 19, areas including Shaanxi, eastern Sichuan Basin, and parts of North China are forecasted to experience moderate to heavy rain, with localized heavy rain or downpours expected [3][4] - The cold air mass will bring winds of 4 to 6 levels, with gusts reaching 7 to 9 levels, and average temperatures are expected to drop by 4 to 8 degrees Celsius across most regions [4][5] Group 2: Regional Forecasts - Specific forecasts indicate that from October 15 to 16, regions such as Xinjiang, Inner Mongolia, and parts of Northeast China may experience light to moderate snow or sleet, while areas in southern China may see heavy rain [5][6] - On October 17, northern and northeastern regions are expected to see light to moderate snow, while central and southern regions may experience moderate to heavy rain, with localized heavy downpours [8][9]