Summary of Key Points Core Viewpoint - The weather in China is characterized by persistent autumn rain in many regions, with a significant increase in rainfall compared to historical averages, and a strong cold front expected around October 16, which will bring strong winds and temperature drops across most areas [1][2][7]. Group 1: Rainfall and Weather Patterns - Since September, regions including southern Hebei, Huanghuai, and parts of Shaanxi have experienced frequent rainfall, with cumulative precipitation generally between 100 to 300 millimeters, and some areas exceeding 400 millimeters, with localized spots over 700 millimeters, which is 1 to 4 times higher than the historical average [2][5]. - The Central Meteorological Observatory forecasts that today, areas in southern Shaanxi, northeastern Sichuan, and parts of Chongqing and Hubei will experience heavy to torrential rain, with localized areas in northern Chongqing facing extreme rainfall [2][3]. Group 2: Temperature Variations - The northern regions have been experiencing cool and damp conditions due to cold air and rain, with notable low temperatures recorded in early October, while southern regions are facing high temperatures, with some areas like Jiangxi and Zhejiang reaching above 37°C [7]. - The southern regions are expected to continue experiencing high temperatures, with major cities like Nanchang recording 78 days of high temperatures this year, setting a record for provincial capitals [7]. Group 3: Upcoming Weather Changes - A strong cold front is anticipated to arrive around October 16, which will lead to significant temperature drops and strong winds across most of China, particularly affecting northern and northeastern regions where temperatures may drop by more than 10°C [1][7].

Group 1 - A new round of rainfall is expected to impact northern regions from October 10 to 13, with areas like Shaanxi and Beijing-Tianjin-Hebei being the core affected regions [1][5] - The rainfall will bring significant temperature drops in northern areas, with maximum temperatures generally around 10°C, while southern regions will experience high temperatures above 35°C [6][1] - The rainfall process will develop from west to east, with heavy rain expected in parts of Shaanxi, Shanxi, and the North China region, with some areas potentially experiencing severe weather conditions [3][4][5] Group 2 - The cumulative rainfall in certain areas, including Shanxi, Hebei, and Sichuan, is projected to reach between 100 to 150 millimeters, raising concerns about secondary disasters such as flash floods [5][1] - Southern regions are experiencing a heatwave, with some areas like Jiangxi and Zhejiang forecasted to reach temperatures above 38°C, marking a significant occurrence for this time of year [6][1] - Major cities like Nanchang have recorded high temperatures for an extended period, with the number of high-temperature days expected to reach 80, setting new records for provincial capitals [6][1]