Abstract

The generation of daily weather forecasts relies to a large extent on the use of data from dedicated satellites. In recent years, several programs have been targeted at improving the sensors providing weather forecast data, both in polar and geostationary orbits. As part of the US National Polar-orbiting Operational Environmental Satellite System (NPOESS), the Cross-track Infrared Sounder (CrIS) is the new generation of sounding instruments providing vertical profiles from polar orbits of atmospheric temperature, pressure, and humidity. ABB Analytical has developed the interferometer module and the internal calibration target for the CrIS sensor. An overview of these contributions is presented. The Hyperspectral Environmental Suite (HES) is meant to be the next generation of US weather sounders from geostationary orbits. In Europe, the Meteosat Third Generation will also make use of an improved infrared sounder, the IRS. ABB Analytical has developed a generic interferometer module suitable for these two p...

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