CSC - the Center for Scientific Computing - is a Finnish national service centre specializing in scientific computing and communications. CSC provides universities, research institutes and industry with modelling, computing and information services. The computing for Finnish weather forecasts is made by a Cray supercomputer administered by CSC. All services are based on a versatile supercomputing environment, on rapid and reliable FUNET connections as well as top-level expertise in various disciplines and in information technology.