The Norwegian national institute for weather forecasts. The three main offices are located in Oslo, Bergen and Tromsø and the organization has around 500 employees and keeps around 650 paid observers of various kinds around the country. The institute represents Norway in international organizations like the World Meteorological Organization (WMO), the European Centre for Medium-Range Weather Forecasts (ECMWF), and EUMETSAT (European organization for satellite cooperation), and is a partner to a number of international research and monitoring projects like the North West Shelf Operational Oceanographic System. Research and development at the Norwegian Meteorological Institute is undertaken within meteorology and oceanography with emphasis on atmospheric and marine forecasting, climate and environmental studies.