暴雨大暴雨，要来了！

Group 1 - The article highlights the imminent arrival of heavy rainfall and potential secondary disasters in regions such as Sichuan and Shaanxi due to continuous rain [2][10] - Typhoon "Hagupit" is expected to enter the South China Sea on September 23, bringing strong winds and rain to southern China, necessitating public awareness and preparedness [2][10] - The Central Meteorological Administration forecasts significant rainfall across various regions, including Guangdong, Yunnan, and Sichuan, with some areas experiencing heavy to torrential rain [4][10] Group 2 - The article notes that since late August, the frequency of rainfall in the Huaxi region has increased, raising the risk of disasters such as flash floods and landslides [10] - The temperature in southern China is expected to fluctuate downwards due to the influence of cold air from the north and typhoon activity, with maximum temperatures in Jiangnan dropping to around 25°C [11][12] - Northern regions will experience noticeable cooling, with temperatures in places like Zhengzhou expected to be significantly lower than the seasonal average, necessitating precautions against the cold [12]