Group 1 - Heavy rainfall in northern China is moving towards the northeast, with significant rainfall recorded in various regions including Beijing, Tianjin, and Hebei [2][4] - The Central Meteorological Observatory predicts that today, areas such as eastern Jilin, central and eastern Liaoning, and parts of Sichuan will experience heavy rainfall, with localized areas facing severe downpours [2][4] - A tropical disturbance in the South China Sea is expected to strengthen and bring heavy rainfall to the southern coastal regions over the next two days [2][6] Group 2 - High temperatures will persist across a wide range of areas including the Yellow River basin, Jiangnan, and parts of Sichuan, with some regions like Chongqing and eastern Hunan potentially reaching temperatures around 40°C [7] - A temporary reduction in high temperatures is expected from August 30 to early September, with cities like Hefei, Wuhan, and Nanjing likely to see a break from the heat [7] - Despite the temporary relief, areas in Jiangnan and southern regions may continue to experience high temperatures, with Nanchang expected to remain hot for the next week [7]

Core Viewpoint - The article discusses the weather conditions in Guangdong, highlighting the impact of high temperatures and the potential formation of Typhoon "Vapa" in the coming days [2][4][6]. Summary by Sections - **Weather Conditions**: From July 16, Guangdong will experience mainly sunny and hot weather, with maximum temperatures ranging from 34°C to 37°C [2][8]. - **Typhoon Development**: Although Typhoon "Baihe" currently has no impact on China, a disturbance south of it is expected to develop into Typhoon "Vapa" after July 17, potentially making landfall in Guangdong or Hainan early next week [5][6]. - **Rainfall Forecast**: On July 16-17, Guangdong will continue to experience high temperatures along with thunderstorms, with localized heavy rain or storms expected [8][13]. - **Future Weather Predictions**: The Central Meteorological Observatory forecasts that 1 to 2 more typhoons may form in the Northwest Pacific and could affect the southeastern coastal areas of China after mid-July [12]. - **Severe Weather Alerts**: On July 18-19, thunderstorms are expected to intensify across Guangdong, with many areas experiencing moderate to heavy rain and short-term wind gusts of 8 to 10 levels [9][13].