The weather characteristics of the beginning of the year
The beginning of spring is not only the first solar term in the 24th solar terms, but also an important festival. In astronomical sense it marks the beginning of spring. The beginning of spring is generally started on February 4 or 5 and ends on February 19 or 20. Like the beginning of summer, the beginning of autumn, and the beginning of winter, the beginning of spring is a solar term reflecting the change of the four seasons. The beginning of spring is a slight turning point in terms of solar terms. Although this transition is not very obvious, the trend is that the weather is beginning to warm up. The coldest period has basically passed and people begin to smell the breath of early spring.
From a year-round perspective, in early February, only South China really entered the spring. The temperature rose after the beginning of spring, and the busy spring season began in most parts of the country. Since the beginning of spring, the rapids of the westerly winds in the south branch of East Asia have begun to weaken, and the winter climate is almost over. However, the strength and position of the North Branch Westerly Jet rapids remained basically unchanged. The Mongolian cold high pressure and the Aleutian low pressure are still relatively strong, and the strong wind cooling is still the prevailing main weather. However, in the interval of strong cold air, the frequency of southerly winds increased, accompanied by a significant temperature rise.
We must prevent the effects of low temperature and rain and snow on the Spring Festival work during the coming Spring. We must pay close attention to the field management of overwintering crops, cultivating loose soil, chasing green manure, and protecting against freezing.
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