华西至黄淮有较强降雨 较强冷空气将影响中东部地区

Core Viewpoint - The article discusses the impact of strong rainfall and cold air on various regions in China, highlighting the potential for secondary disasters and effects on agricultural production. Group 1: Rainfall Impact - Significant rainfall occurred in regions including Sichuan, Chongqing, Shaanxi, and Yunnan, with local areas experiencing heavy rain (100-147 mm) [2] - A blue rainstorm warning was issued, predicting heavy rain in areas such as eastern and northern Chongqing, central Hubei, and parts of Jiangsu and Anhui, with localized heavy rain (100-120 mm) expected [4][5] - The rain is expected to weaken after October 18, but there are concerns about potential secondary disasters and impacts on agriculture [1] Group 2: Cold Air Influence - A strong cold air mass is forecasted to affect the central and eastern regions of China from October 17 to 22, leading to temperature drops of 6-10°C, with some areas experiencing drops of 10-12°C or more [5] - The lowest temperatures of the second half of the year are expected, with the 0°C line moving southward to northern parts of Shaanxi and eastern Gansu [5] - A blue wind warning has been issued, indicating strong winds (4-6 levels) in various regions, with gusts reaching 7-10 levels in coastal areas [5][6] Group 3: Visibility and Weather Conditions - Rainfall has led to reduced visibility in areas such as central Hebei and Beijing, with some regions experiencing dense fog with visibility below 200 meters [6] - Dust storms or floating dust are expected in parts of Xinjiang and Inner Mongolia from October 17 to 19 [6]