Traditional Culture Encyclopedia - Weather forecast - What does the rainbow have to do with the weather?
What does the rainbow have to do with the weather?
The size of water droplets in the air determines the bright color and width of the rainbow. When the water drops in the air are large, the rainbow is bright and narrow; On the contrary, if the water drops are small, the rainbow will be light and wide. We can't see the rainbow in front of the sun, but only in front of the sun, so the rainbow appears in the west in the morning and always in the east at night. But we can't see it. We can only see it from the sky by plane. The appearance of rainbow is related to the weather change at that time. Generally, we can infer whether it was sunny or rainy from the position where the rainbow appeared in the sky. When there is a rainbow in the east, it is not easy to rain locally, but when there is a rainbow in the west, it is likely to rain locally.
The visibility of rainbow depends on the size of water droplets in the air. The bigger the water drop, the brighter the rainbow, and the smaller the water drop, the less obvious the rainbow is. Generally, in winter, the temperature is low, there are few water droplets in the air, and there are few opportunities for showers, so rainbows generally do not appear in winter.
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