Traditional Culture Encyclopedia - The 24 Solar Terms - It often rains in Tomb-Sweeping Day. What is the reason?
It often rains in Tomb-Sweeping Day. What is the reason?
According to the truth, April is spring, and it is the season when everything recovers, so the weather should be sunny, but it is not like this. It always rains for a long time at this time of year. This gloomy weather seems to be set off by God? Tomb-Sweeping Day? A feeling of sadness. And when it comes to Tomb-Sweeping Day, you have to mention it? It rains in the Qingming period? This poem, but in the Qingming Festival every year, there will always be a lot of light rain. Pass down through the ages? Poetry became a weather forecast.
In fact, it is not that Du Mu can use poetry to predict the weather, but to describe a climate phenomenon and summarize the weather at this time, which is actually the same as the 24 solar terms. From the current scientific point of view, it is not an accidental phenomenon that it rains during the Qingming period, because it is a time when cold air and warm air convection, because at this time, cold air is gradually weakening and warm air is gradually strengthening, and the collision of the two kinds of air will produce rainy weather.
Secondly, the overall air pressure will be slightly lower in spring. When the air pressure is low, the cloud moves faster, so it is reflected in the weather. Light rain mixed with strong wind? . What are the characteristics of rain before and after Qingming Festival? A particularly long time? This situation is because the water vapor content in the air is high in spring, and when the temperature drops, it will condense into small drops and become light rain, which is why it will rain for a long time.
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