The morning glow indicates what the weather will be like.

Although there is no scientific basis for forecasting rainfall, it is also summed up by the experience of the ancients.

"Morning glow does not go out, sunset glow travels thousands of miles", which means that when it is sunny after rain, there is red glow in the morning, which means it is raining and you can't go out; Red clouds appear in the evening, indicating that the sky is clear and you can travel far.

If you see rosy clouds in the sky in the morning, there may be bad weather coming, so you'd better not go out. And if you see rosy clouds at night, it indicates that the weather will be fine in the future and you can travel freely.

The "morning glow" in the extended information proverb is more inclined to the morning glow in the western sky. If there are bright red clouds in the west in the morning, it means that there are more water vapor and larger particles in the atmosphere in the west, and the sky state is not very stable.

As we know, most weather systems in China move from west to east, so it shows that rainy weather is coming in the west, which is the reason why the morning glow never dies.

Around sunrise and sunset, sunlight passes through the thick atmosphere and is scattered by a large number of air molecules. According to Rayleigh scattering law, light with shorter wavelength such as violet, blue and cyan in the solar spectrum is most easily scattered, while light with longer wavelength such as red, orange and yellow has stronger light transmission ability. So we see that the clear sky is always blue, while the light above the horizon is only yellow, orange and red with longer wavelengths. If there are clouds, they will also be dyed orange and red.