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MeteoSat images
The Meteosat Second Generation (MSG) satellites monitor the Earth weather 24/7 from the geostationary orbit. Each 15 minutes the satellites provide a serie of 12 images from different spectral channels. Below you can find the detection of clouds from 2 of these channels.
Infrared
The infrared channels of Meteosat are sensitive to the temperature of the objects and allow to detect clouds day and night. The clouds are indeed colder than the cloud free surface. In the infrared imagery the clouds appear as bright as they are cold and are then located higher in the atmosphere.
Visible
The visible channels of Meteosat are sensitive to the reflection of the solar radiation on the objects and allow to detect clouds during daytime. In the visible imagery the clouds appear as bright as they reflect the light and are then thicker.
