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The weather and climate science AI revolution isn’t revolutionary

The weather and climate science AI revolution isn’t revolutionary

Summary

AI, especially machine learning, is being used in weather and climate modeling but it is not a sudden breakthrough. These AI models help find patterns in large data sets to improve forecasts, but they have limitations and require careful use.

Key Facts

  • AI in weather and climate refers mainly to machine learning, not language-based AI like chatbots.
  • Machine learning uses computers to detect patterns in data and improve predictions.
  • Models need lots of good quality examples to learn accurately.
  • Weather models using machine learning run faster than traditional models that solve complex physics equations.
  • Big tech companies like Google, Nvidia, Huawei, and Microsoft have created initial AI weather models.
  • The European Centre for Medium-Range Weather Forecasts (ECMWF) started using a machine learning weather model in February 2025.
  • Machine learning models have strengths and weaknesses that researchers are still understanding.
  • Weather and climate forecasting AI is an evolving tool, not a complete replacement for human experts.
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