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<p>The world's first eddy-resolving global ocean nowcast/forecast system has been developed at the Naval Research Laboratory and is running in real-time at the Naval Oceanographic Office. It uses satellite observations and an ocean model running on a high-performance computing platform to enhance real-time knowledge of the marine environment in which naval submarines and ships must operate. This article describes the how this system operates and its computational requirements.</p>
high-performance computing, weather prediction, numerical ocean modeling, global ocean modeling

O. M. Smedstad, J. F. Shriver, E. J. Metzger, J. E. Hurlburt, A. J. Wallcraft and R. C. Rhodes, "Real-Time Ocean Modeling Systems," in Computing in Science & Engineering, vol. 4, no. , pp. 50-57, 2002.
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