Swiss Weather Service to Deploy World's First GPU-Accelerated Supercomputer to Improve Weather Prediction
New MeteoSwiss System Enables Over 2X Higher Model Resolutions for Daily Forecasting
Public Relations
Jen Andersson
PR Manager Northern Europe
NVIDIA
jandersson@nvidia.com
SANTA CLARA, Calif.-Sept. 15, 2015-NVIDIA today announced that the Swiss Federal Office of Meteorology and Climatology, MeteoSwiss, will be the first major national weather service to deploy a GPU-accelerated supercomputer to improve the accuracy of its daily weather forecasts.
The new system will provide more than two times higher resolution weather models at three times higher energy efficiency than MeteoSwiss's existing system. Higher resolutions enable agencies like MeteoSwiss to predict storms and other weather hazards in more detail. This includes providing early warning forecasts for severe weather events, more precise tracking of the paths of dangerous storms and better insight into precipitation activity.
The higher resolution models will also enable MeteoSwiss to accurately model cloud formation and behavior, including predicting the amount, duration and location of rain, snow and related weather events in more detail. This capability is particularly important for Switzerland's mountainous regions, where precipitation patterns are typically more difficult to forecast.
Powered by NVIDIA Tesla K80 GPU accelerators, the flagship offering of the Tesla Accelerated Computing Platform, the new MeteoSwiss weather prediction supercomputer provides 40 times higher performance than the CPU-based system it is replacing.
Weather prediction is an incredibly difficult challenge, requiring massive amounts of computational horsepower to deliver accurate forecasts, said Ian Buck, vice president of Accelerated Computing at NVIDIA. The Tesla Accelerated Computing Platform is a natural fit for weather prediction and other large-scale, complex computational tasks, as it enables scientists and engineers to solve some of the world's most difficult problems.
The GPU-accelerated system will enable MeteoSwiss to produce two times higher resolution weather models for short-range forecasts (24 hour)1 , and three times higher resolution models for its medium-range forecasts2 .
It also will extend MeteoSwiss's medium-range forecast capabilities with the addition of an ensemble prediction system with a forecast range of up to five days. Previously practical only for weather services with significantly larger infrastructure and resources, the ensemble prediction system uses high-performance GPUs to run multiple instances of computationally intensive simulations to provide information about the most likely evolution of the weather.
The new NVIDIA GPU-accelerated Cray weather prediction supercomputer has been installed at the Swiss National Supercomputing Centre (CSCS) in Lugano, Switzerland, and will be operational for weather forecasting by spring/summer 2016.
The challenge with higher resolution weather models is the extremely short timeframe meteorologists have available to complete these simulations, said Prof. Dr. Thomas Schulthess, director of CSCS. GPU acceleration lets meteorologists quickly create high-resolution weather forecasts within this small window, giving them a considerably higher degree of confidence in the accuracy of their forecasts.
Expanding Accessibility to GPU-accelerated COSMO Application
Daily weather forecasts are performed on high-performance supercomputers using numerical weather prediction models that simulate and predict the behavior of the atmosphere, including temperature, pressure, wind, precipitation and other factors.
MeteoSwiss produces its weather predictions using the COSMO model, which was developed by the Consortium for Small-scale Modeling. COSMO is also used extensively for operational weather forecasting by six other European national weather services in Germany, Italy, Greece, Poland, Romania and Russia.
The COSMO consortium is working to integrate MeteoSwiss's GPU-accelerated developments into the standard version available for use by the other weather services in Europe and other members of the COSMO consortium.
About the Tesla Accelerated Computing Platform
The Tesla Accelerated Computing Platform is designed from the ground up for power-efficient, high performance computing, computational science, supercomputing, enterprise, data analytics and deep learning applications. It delivers dramatically higher performance and energy efficiency than a CPU-only approach. By deeply integrating the world's fastest GPU accelerators, development tools, high-speed communication technology, a supported ecosystem and NVIDIA CUDA , the world's most pervasive parallel computing model, the Tesla platform delivers unprecedented application throughput in the data center.
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About NVIDIA
Since 1993, NVIDIA (NASDAQ: NVDA) has pioneered the art and science of visual computing. The companys technologies are transforming a world of displays into a world of interactive discovery - for everyone from gamers to scientists, and consumers to enterprise customers. More information at http://www.nvidia.co.uk/page/press_room.html and http://blogs.nvidia.com.
Certain statements in this press release including, but not limited to, statements as to: the features, performance, benefits and availability of the NVIDIA Tesla K80 GPU-accelerated supercomputer for weather forecasting and its integration are forward-looking statements that are subject to risks and uncertainties that could cause results to be mater
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Swiss Weather Service to Deploy World's First GPU-Accelerated Supercomputer to Improve Weather Prediction 
