Characteristic ants of autumn wind and solar terms
1, sunny and cool
Autumn solar terms are often accompanied by sunny weather, the height of the sun gradually decreases, the sky is blue, and the sun shines through the cool air, giving people a refreshing and pleasant feeling. The sunshine time gradually decreases, and it is warm and comfortable during the day, but it gets cold at night, especially at night.
2, the temperature difference increases
With the arrival of the autumn wind solar terms, the temperature began to gradually decrease and the temperature difference between morning and evening increased. Although it is sunny during the day, the sudden drop in temperature at night may lead to chill. The increase of temperature difference between morning and evening is a unique weather phenomenon in autumn, so we should pay attention to adding clothes to keep warm in the morning and evening.
3. The humidity in the sky decreases.
Compared with the humid and sultry summer, the sky humidity of autumn wind solar terms gradually decreases. As the temperature drops and the dry autumn wind blows, the water in the air evaporates rapidly, forming a low relative humidity. This is why dry and dusty weather often occurs in autumn.
4, the wind increased
Another feature of autumn wind solar terms is the increase of wind power. With the change of seasons, the monsoon in the south gradually weakens, while the cold air activity in the north is frequent, bringing windy weather in autumn. Especially in the northern region, autumn wind often whizzes past, giving people a feeling of chill.
5. Changes in plants
Autumn wind and solar terms also have obvious effects on plants. The leaves began to change color and gradually shed leaves. Some plants slowly go into dormancy to prepare for next year's growth. In addition, many fruit trees also welcome the harvest season in autumn, and the cool climate brought by autumn wind is conducive to fruit ripening.
6. The appearance of ice and snow
Autumn wind and solar terms, sometimes there will be snowfall in the northern region, especially when it is close to winter. When cold air meets warm and humid airflow, it may form snowfall or freezing rain. Further south, there will be frost, and the grass may be covered with a thin layer of frost in the cold morning.
7, colorful harvest
Autumn wind and solar terms are the harvest season of crops. At this time, many crops began to mature and farmers were busy harvesting crops, such as rice, corn and apples. The rice fields are golden, and the harvest in the orchard gives people joy and hope, which also marks the arrival of the harvest season.