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Microsoft Research Releases Aurora 1.5, an Open Foundation Model for Weather and Earth-System Applications

Jul 10, 2026

Microsoft Research has released Aurora 1.5, an updated open foundation model for weather and Earth-system applications. The new version adds 22 more variables, hourly temporal resolution, and probabilistic ensemble forecasting, enhancing its utility for real-world weather, climate, and energy applications.

Why it matters: This update improves the model's ability to provide detailed and probabilistic weather forecasts, which is critical for sectors like energy and disaster preparedness.

Full story at: Microsoft Research