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What are the climatic characteristics and weather changes of the spring equinox

DailyBird Culture 2021-10-09 1 0

equinox is a solar term of spring. Spring is a warm season, but at this time, different weather will also appear. What are the climatic characteristics of the equinox? What is the weather change at the spring equinox? Next, let's follow the old yellow calendar of this issue and have a look!

春分气候特点 天气变化有哪些 you may be interested in: dietary taboos during the spring equinox of the twenty-four solar terms

the climatic characteristics of the spring equinox. During the windy and sandy spring equinox, most of Northwest China, northern North China and Northeast China are still in the transition stage from winter to spring. It is windy on sunny days and warm at first. According to the statistics of sand and dust weather in recent years, April is the most, followed by March, and the spring equinox is 15 days. It is from the end of March to the beginning of April. In these areas, the sand blown up by strong winds and the floating dust from high altitude, especially the pollution caused by dust storms to the atmosphere, are often concerned by people and become a hot topic.


low temperature and cloudy rain during the spring equinox, when cold air continuously invades southern China, spring cold weather with low temperature will appear. At this time, accompanied by continuous cloudy rain, it will have a great impact on crops. If the average temperature drops below 10 ~ 12 ℃ for more than 5-7 consecutive days, it may cause serious rice seedling rot. Because rice and cotton are thermophilic crops, when the temperature is above 10 ~ 12 and the minimum temperature is above 5 ℃, it is conducive to Qi Miao and Zhuang seedlings. On the other hand, if there is low temperature, overcast rain, you can think of it. Frost and frost are the products of cold wave and strong cold air in spring. Cold wave is rare in warm climate, but we can't be careless.


and 春分气候特点 天气变化有哪些 you may be interested in: knowledge of the 24 solar terms health culture in the spring equinox


in the early spring, when the temperature rises faster, and then the temperature continues to be low for a period of time, this weather phenomenon is called late spring cold. In the south, the main impact of the late spring cold is the rotten seedlings of early rice. In the north, it will affect the growth of peanuts, vegetables and cotton, and even cause the death of wheat seedlings. In the middle and lower reaches of the Yangtze River, there was a very serious late spring cold, just during the spring equinox, from late March to early April 1976. There were 700-800 million kg of grain lost in Hunan, Jiangxi and Hubei provinces alone.

spring drought in the north, especially in the northwest and North China, there are "nine Spring Droughts in ten years" and "spring rain is as expensive as oil". When there is little rain and snow in winter, winter wheat is in the overwintering stage and is not very sensitive to water shortage. After March, the soil thawed and the wheat turned green; The crops are sown from south to North in spring. If the precipitation continues to be less at this time, the drought will be clearly reflected, and the situation of seedlings can be imagined.

春分气候特点 天气变化有哪些 you may be interested in: busy spring ploughing during the spring equinox of the twenty-four solar terms

the pre flood season in South China has two periods of rainfall concentration in South China, one is the pre flood season from April to June, and the other is the post flood season formed by typhoon rainfall from July to September. The pre flood season starts in early April and enters the peak period in mid May. There are an average of 20 rainstorms every year, the most in June, accounting for more than half of the total rainstorms, and the duration is long and the rain is fierce. Because the "spring equinox" is just the beginning of the flood season, I won't repeat it here.

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