Group 1 - The article discusses the increasing frequency and intensity of extreme weather events, such as prolonged rainfall and heatwaves, attributed to global climate change [1][16][17] - Beijing experienced its longest recorded rainfall event lasting 147 hours, highlighting the severity of recent weather patterns [6][14] - The Central Meteorological Administration issued multiple weather warnings, indicating widespread heavy rainfall and potential severe weather across various regions [3][5] Group 2 - The challenges of accurately predicting extreme precipitation events are emphasized, particularly due to the unpredictable nature of small-scale convective systems [7][8] - The article notes that the warming atmosphere increases its capacity to hold moisture, leading to more intense rainfall events [9][18] - The T8 atmospheric circulation pattern is identified as a significant contributor to summer rainfall in northern China, with historical data showing its correlation with extreme precipitation events [10][12][13] Group 3 - The need for improved public engagement in weather forecasting and disaster preparedness is highlighted, suggesting that community involvement can enhance the effectiveness of early warning systems [19][20][22] - The article stresses the importance of interdisciplinary approaches to address the complexities of extreme weather forecasting and response [22] - The impact of extreme weather, such as hailstorms, on agriculture and infrastructure is discussed, indicating a need for better predictive capabilities [23][25]