Sweden’s new supercomputer for weather forecasting will greatly improve prediction reliability. An enhanced and powerful computational package, tailored especially for the needs of the Swedish Meteorological and Hydrological Institute, SMHI, is now installed at the National Supercomputer Center, NSC, sited at Linköping University.
The new computer system, called Blixt in honor of its lightning-fast processing, employs new computational methods to forecast land and sea weather conditions. The weather observations that provide the input data for NWP, numerical weather predictions, are utilized more effectively than in the past. The forecasting model is enhanced with a time dimension factor that adjusts past and present observations to anticipate the weather situation with greater precision.
“Improved mapping is a requirement for improved predictability, especially when we are trying to anticipate the development of atmospheric depressions two days ahead”, explains Lars Häggmark, meteorologist at SMHI.
Åke Hjelm | alfa
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