The use case diagram for a weather application illustrates how different users, administrators, and researchers interact with the system. Users can register, log in, view current weather, receive alerts, set location preferences, and share updates. Administrators manage weather data, analyze patterns, and generate reports, while researchers access historical data for analysis. The diagram effectively maps out all functional requirements of a modern weather application, showing data flow and user roles. It highlights how the system supports real-time weather updates, data analytics, and research functionalities, making it essential for weather app design, development, and system documentation purposes.
