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How to read satellite cloud images for weather forecast

In the satellite cloud image, green represents land, blue represents ocean, and white represents clouds. Satellite cloud images are images of the tops of clouds taken by satellites orbiting the earth at an altitude of hundreds to tens of thousands of kilometers. They are generally divided into three colors: white, green and blue. The rolling white area represents the clouds above the earth. The thicker the white, the thicker the clouds. Where the clouds cover or are about to cover them, there will be rainy weather.