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Mini toolsEarth 2 FourCastNet 3
By NVIDIA
Model family: Earth
FourCastNet 3 (FCN3) is NVIDIA’s latest Earth-2 global weather model, using scalable geometric machine learning for probabilistic ensemble forecasting. Operating on a 0.25° grid with dozens of variables, it produces stable, physically realistic dynamics across scales and can run long 60-day rollouts. FCN3 matches or exceeds top diffusion-based and numerical ensemble systems like IFS-ENS while being 8–60x faster, enabling much larger ensembles and more detailed risk assessments.
New
Image
Gen 4
Overview
Earth-2 FourCastNet 3 is a geometric ML global ensemble model that respects spherical Earth geometry to deliver fast, probabilistic medium- to subseasonal forecasts, outperforming leading numerical ensembles at much lower cost.
About NVIDIA
Industry:
Computer Hardware Manufacturing
Company Size:
36000
Location:
Santa Clara, California, US
Website:
nvidia.com
Tools using Earth 2 FourCastNet 3
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AI-accelerated climate digital twin for global weather simulation.Open
Last updated: February 26, 2026
