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XiChen: An observation-scalable fully AI-driven global weather forecasting system with 4D variational knowledge

arXiv — cs.LG•Tuesday, December 9, 2025 at 5:00:00 AM
PositiveArtificial Intelligence
  • XiChen has been introduced as a fully AI-driven global weather forecasting system that can perform data assimilation and medium-range forecasting in just 15 seconds, leveraging a foundation model pre-trained for weather forecasting. This innovative system aims to overcome the limitations of traditional Numerical Weather Prediction (NWP) systems by enabling scalable assimilation of various observational data types.
  • The development of XiChen represents a significant advancement in weather forecasting technology, potentially enhancing the accuracy and efficiency of predictions. By integrating Four-Dimensional Variational knowledge, XiChen is positioned to revolutionize how meteorological data is processed and utilized in forecasting.
  • This innovation reflects a broader trend in the application of artificial intelligence across various fields, including materials engineering, where frameworks are being developed to integrate expert knowledge and physics. The intersection of AI with traditional scientific disciplines highlights the ongoing evolution of technology and its capacity to address complex challenges in diverse sectors.
— via World Pulse Now AI Editorial System
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