What phenomena indicate rain?

1. "There are hook clouds in the sky and rain on the ground": Hook clouds refer to cirrus clouds. Behind these clouds, there are often fronts (especially warm fronts), low pressure or low pressure troughs moving in. , indicating that the rain is coming.

2. "Fort clouds, drenched with rain": Fort clouds refer to fort-shaped altocumulus clouds or fort-shaped stratocumulus clouds. They often appear in front of low-pressure troughs, indicating that the air is unstable. They usually occur every 8-10 hours. A thunderstorm is coming.

3. The leaves of Ligustrum lucidum fall off

The leaves of Ligustrum lucidum grow as they fall. If the leaves fall but not grow (or grow very few leaves) abnormally in summer, it indicates that there will be continuous rainy weather in the next 2 to 3 months.

4. Wild wormwood produces white buds

Wild wormwood is found throughout my country and is a wild plant of the Asteraceae family with strong drought tolerance. If you find many young white buds sprouting from its roots during severe drought, it indicates that it will rain soon.

5. "Shyness" of Mimosa

The leaves of Mimosa contract slowly after being touched, or the leaves open after closing for a moment, which indicates the coming wind and rain; It closes, but it takes a long time to recover, indicating that the sun will shine brightly in the future.

6. Xishuangbanna Fengyuhua

Before the storm, the outside atmospheric pressure decreases, the weather is sultry, and the transpiration of plants increases. The bulbs of Fengyuhua that store nutrients produce a large amount of hormones that promote flowering. Produces abundant flowers.