The main added value of the Meteosat Third Generation Sounder 1 satellite (MTG-S1), whose launch is planned today/Tuesday from the Cape Canaveral Cape Base in Florida, lies in its ability to generate a 3D image of the humidity and the temperature of the atmosphere, explained Pieter Van den Braembussche, head of useful systems and charges at the European Space Agency (ESA) Belga.
About two years ago, Europe had already orbit the first satellite of its new meteorological generation. This first equipment, of the “imaging” type, captures at regular intervals images in various wavelengths of the spectrum, making it possible to establish weather forecasts of great precision. This time, it is a “sounder” (Stern). The latter provides a 3D profile of the humidity and temperature of the atmosphere, which adds “an additional dimension to weather forecasts”, according to Mr. Van Den Braembussche.
The launch of a third satellite, the MTG-I2, another “imaging”, will follow next year. “The latter is planned in doubles, because it is crucial for weather forecasts in Europe. If one encounter a problem or must adjust its orbit, the other can take over,” explains the official. The succession is also already ensured with the MTG-I3, MTG-I4 and MTG-S2 satellites, whose launches are scheduled for the next decade to replace the current fleet.
