Scali TeraRack for environmental forecasting in NorwayOslo 16 June 2001 A 10 node TeraRack from Scali has been installed at the Norwegian Meteorological Institute [DNMI] to perform continuous forecasting of meteorology in and around the larger Norwegian cities. The meteorological parameters generated are basic input to an air quality forecasting model operated in the same cities. The forecasting system is operated on behalf of the Norwegian Road Authority which has sponsored the model development.
The use of cars with studded tires during winter conditions is one of the factors that contribute to periods with poor air quality around Norwegian cities. To protect the public's health, especially people suffering from asthma, elderly people and children, daily forecasts are distributed in attempts to protect the population from reduced air
quality. In order to perform high resolution meteorological forecast on a day to day basis, DNMI is running the MM5 model from the National Center for Atmospheric Research and Pennsylvania State University. The thread-safe implementation of ScaMPI allows MM5 on Scali clusters to combine the use of MPI and OpenMP. This yields a 15-20 % increase in performance over an MPI approach alone. A running version of this code will be on display on Dolphin ICS's stand at the 16th International Supercomputer Conference, in
Heidelberg June 20-23, 2001.
Ad Emmen |
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