wazza writes: PAGASA, the Philippine government's official weather service, has replaced its SGI supercomputer with a clustered Debian Linux system that can process information vital to protection against typhoons, floods, droughts, tsunamis and other wild weather conditions at a fraction of the cost. After trying several Linux flavours such as Red Hat, Mandrake, Fedora and others, PAGASA went with a Debian cluster as it was the most stable in their servers. The previous proprietary system, an SGI Irix supercomputer, cost PAGASA around US$5000 a month to run — the Debian Linux setup has dropped that figure down to around $250.
The cluster works as part of the Philippine Interactive Communications Weather Information Network (PICWIN) which provides weather forecasting and an automatic warning system.
The cluster processes data collected both locally and internationally through the Global Telecommunications System, and computes forecasts using a variety of open source meteorological models.
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