Group 1 - The article highlights the advanced meteorological technology being utilized for the 15th National Games in Guangdong, emphasizing the importance of precise weather forecasting for the event's success [1][4][5] - Guangdong's meteorological department has established a comprehensive observation network that integrates ground, air, and space data to provide real-time weather information, ensuring effective support for the games [1][4] - The decision to hold the games in November is based on extensive climate analysis, indicating that this month offers optimal weather conditions for outdoor sports, with reduced rainfall and moderate temperatures [2][3] Group 2 - The use of cutting-edge technologies such as digital twins and artificial intelligence has enabled the creation of a detailed weather forecasting system that can provide second-level updates and three-dimensional visualizations [4][5] - Innovative techniques, including lightning strike simulation, have been introduced to enhance safety measures at the venues, allowing for precise risk assessments and emergency planning [5] - The integration of real-time monitoring and predictive data into a three-dimensional model of the venues marks a significant advancement in meteorological services, transitioning from experience-based to data-driven approaches [5]