​GenCast AI Model Revolutionizes Weather Forecasting

  • Google DeepMind's AI model, GenCast, promises to revolutionize weather forecasting by predicting the weather more accurately and further into the future than traditional methods.
  • GenCast uses ensemble forecasting, where AI generates multiple weather predictions from a model trained on 40 years of reanalysis data, improving upon traditional numerical weather prediction (NWP) techniques.
  • The AI model outperformed ensemble forecasts (ENS) on 97.2% of evaluated targets and achieved 99.8% accuracy on weather predictions beyond 36 hours.
  • Probabilistic forecasts from GenCast highlight the likelihood of weather events like rain, making it ideal for predicting extreme weather, while traditional NWP models provide deterministic forecasts.
  • Although AI-based weather models ....
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