In the 1960s, weather scientists found that the chaotic nature of Earth’s atmosphere would put a limit on how far into the future their forecasts might peer. Two weeks seemed to be the limit. Still, ...

A new artificial intelligence-based weather model can deliver 15-day forecasts with unrivaled accuracy and speed, a Google lab said, with potentially life-saving applications as climate change ramps ...

GenCast, from the company’s DeepMind division, outperformed the world’s best predictions of deadly storms as well as everyday weather. By William J. Broad William J. Broad reported earlier this year ...