# NVIDIA releases open Earth-2 weather models: 15-day Medium Range and 0–6 hour storm Nowcasting

Canonical page: https://technooptimist.io/stories/nvidia-releases-open-earth-2-weather-models-15-day-medium-range-and-0-6-7a4916ed
Date: 26 Jan 2026
About: [NVIDIA](https://technooptimist.io/companies/nvidia.md) · [Earth-2](https://technooptimist.io/ai/earth-2.md)
Original source: https://blogs.nvidia.com/blog/nvidia-earth-2-open-models

At the American Meteorological Society's annual meeting, NVIDIA released Earth-2 as an open family of pretrained weather models, frameworks and inference libraries covering the whole forecast chain. Medium Range (Atlas) forecasts 70+ variables up to 15 days ahead; Nowcasting (StormScope) predicts kilometre-scale storms 0–6 hours ahead. A data-assimilation model, HealDA, was announced for later in 2026.

## Key facts

- NVIDIA says Atlas outperforms leading open models on the most commonly measured variables.
- StormScope is claimed to beat physics-based models on short-term precipitation and predicts satellite and radar images directly.
- Brightband runs Medium Range operationally; the Israel Meteorological Service runs CorrDiff at 2.5 km.
- The Weather Company and the US National Weather Service are evaluating the models; TotalEnergies and Eni are testing them.
- Models are available through Earth2Studio, Hugging Face and GitHub.

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