Nvidia unveiled its new high-tech weather forecasting tools last week at the American Meteorological Society conference in Houston. The new products include the CorrDiff and Medium Range models for Earth-2. With these innovations, NOAA hopes to improve accuracy and the accessibility of weather predictions across the globe. With these innovations in hand, Israel’s meteorologists and the Palestine and Taiwan meteorological organizations empower their respective populations. Further, they are already using the Earth-2 CorrDiff model to better inform and expand their work.
The Earth-2 Medium Range model is especially significant, as it’s powered by the new architecture from Nvidia called Atlas. This model significantly reduces the computational burden of classic approaches to weather forecasting. That’s about half the full supercomputing power typically required. By shortening intervals between forecasts, it opens the door for more rapid and timely weather predictions to be made.
Nvidia touted its Nowcasting model, which short-term forecasts out to zero-six hours. Meteorologists and decision scientists rely on this tool to forecast the social impacts of storms. Beyond this, it serves as a critical predictor for other dangerous weather events. Businesses ranging from The Weather Company to Total Energies are actively assessing the potential of Nowcasting to make an operational impact today.
Mike Pritchard, a prominent figure in environmental science, highlighted the importance of these developments, stating that “for some users, it makes sense to subscribe to an enterprise centralized weather forecasting system. For others like countries, sovereignty matters.” Whether the roots of the sentiment are founded or unfounded, it further emphasizes why countries need to have control over their own weather data and forecasting capabilities.
Pritchard further remarked on the inseparable connection between weather and national security: “Weather is a national security issue, and sovereignty and weather are inseparable.” He emphasized the philosophical and scientific return to simplicity in weather forecasting technologies, noting that “we’re moving away from hand-tailored niche AI architectures and leaning into the future of simple, scalable, transformer architectures.”
These recently released models, which feature Nowcasting and Earth-2 Medium Range capabilities, add to the pipeline of previously released Earth-2 CorrDiff and FourCastNet3 models. The FourCastNet3 model simulates each weather variable separately — such as temperature, wind and humidity — offering a detailed look at what’s happening in the atmosphere. These five models are being combined by us to bring the most powerful weather forecasting tools right to everybody’s fingertips. Until now, only rich countries and big companies had access to such tools.
Pritchard explained how the Nowcasting model’s unique approach enhances its adaptability: “Because this model is trained directly on globally available geostationary satellite observations, rather than region-specific physics model outputs, Nowcasting’s approach can be adapted anywhere on the planet with good satellite coverage.” This flexibility is anticipated to vastly increase predictive weather modeling capabilities across a multitude of geographical landscapes.
Meteorologists and forecasting agencies worldwide are sorely in need of better tools that can enhance short range weather predictions. Nvidia’s new products might change that calculus. The focus on accessibility and efficiency resonates with the needs of users across different sectors, potentially reshaping how weather data is utilized in decision-making processes.


