rainy season
This is a weather proverb.
Hook cloud is called hook cirrus cloud in meteorology. It is a kind of high cloud with bundle structure, which is white and thin. Clouds are often arranged in parallel, with small hooks or clusters at the upper end and a long tail at the lower end, which are often scattered.
It usually appears in front of warm front and low pressure, and the appearance of hook cloud indicates that the new weather system will move and the weather will get worse.
Extended data
Other related meteorological proverbs
1, the feet of the dark clouds are white. There must be a rainstorm.
The bottom under the dark clouds is white. At this time, it is usually heavy rain. Simple dark clouds usually rain but not much.
2, the low clouds don't go, it's going to rain.
If the clouds are low but don't blow away, it will rain soon. If the clouds are low, it will rain easily.
3. Clouds eat fog and rain, and fog and clouds are fine.
If the fog comes and the clouds take it away, it will rain soon. If there are clouds, the fog will come at this time and the weather will gradually get better.
Fog is more common in anticyclones, and the weather is unfathomable; Clouds that cover the sky are more common in cyclones and the weather is bad. After the fog, a big cloud came. Maybe the anticyclone has passed and the cyclone is coming. It is also possible that the sky is warm and wet, the fog is thick and clouds appear. This is the scene before the rain. On the other hand, if the clouds disappear and the fog rises, it means that the cyclone has gone, and the mysterious anticyclone weather has arrived, and it will be fine.
4, the morning glow never dies, and the sunset glow travels thousands of miles.
If the morning sky is red, then the eastern sky is clear, so the sun can shine into the foggy western sky. On the contrary, in the evening, the sky in the west of Wan Li must be cloudless in Wan Li, so that the sun can shine into the clouds in the east through the sky in the west.
Baidu encyclopedia-meteorological proverbs