Google's AI Weather Model GenCast

SOURCE www.barrons.com
Google's AI-based weather model, GenCast, can deliver 15-day forecasts with unrivaled accuracy and speed, surpassing the current world-leading model. The model was trained on four decades of data and can provide forecasts in just eight minutes. This innovation has potentially life-saving applications as extreme weather events become more common due to climate change.

Key Points

  • GenCast surpassed the precision of the European Centre for Medium-Range Weather Forecasts in over 97% of real-world scenarios
  • Trained on four decades of data from 1979 to 2018
  • Can produce a 15-day forecast in just eight minutes

Pros

  • GenCast provides better forecasts of both day-to-day weather and extreme events
  • Can deliver 15-day forecasts with unrivaled accuracy and speed
  • Consistently outperformed the current leading forecast model

Cons

  • Dependence on AI technology for critical weather forecasting
  • Potential errors or biases in the AI model