In daily life, the 24 solar terms tell us how we eat and dress. The Spring Equinox is one of the 24 solar terms, indicating that day and night are of equal length. So will the weather still be cold after the vernal equinox? Is the weather getting warmer? Spring is a season of vitality and revival, but the weather changes greatly. Fortune Teller Network has summarized the festivals and solar terms in February of the lunar calendar in 2018. You are welcome to check it out!Will it still be cold after the spring equinox? Has the weather turned warmer?It depends on the situation. Sometimes it’s warm and the flowers are blooming, and sometimes it’s cold and chilly!The Spring Equinox is the midpoint of the ninety days of spring. One of the 24 solar terms, it falls on March 20 of the Gregorian calendar every year when the sun is at 0° of ecliptic longitude (the vernal equinox). On the day of the vernal equinox, the sun shines directly on the earth's equator. The seasons in the northern and southern hemispheres are opposite. In the northern hemisphere, it is the vernal equinox, and in the southern hemisphere, it is the autumnal equinox. The Spring Equinox is the New Year in Iran, Türkiye, Afghanistan, Uzbekistan and other countries, and has a history of 3,000 years. "Collected Explanations of the Seventy-two Seasons of the Lunar Calendar" states: "In the middle of February, the word fen means half, which corresponds to the middle of a ninety-day period, so it is called fen. Autumn has the same meaning." "Spring and Autumn Fanlu: Yin Yang Out and In, Parts 1 and 2" states: "The spring equinox is when yin and yang are half and half, so the day and night are equal and the cold and heat are balanced." The average daily temperature in various places is generally below 10-12℃ (the standards in different regions are not very consistent). If this lasts for more than 5-7 days, it may cause serious rot of rice seedlings. Because rice and cotton are both thermophilic crops, it is beneficial for the seedlings to grow evenly and strong only when the temperature is above 10-12 degrees and the weather is sunny and the minimum temperature is above 5 degrees Celsius. On the other hand, if low temperatures and rain occur, then you can imagine what will happen. Frost and frost are the products of cold waves and strong cold air in spring. Cold waves are relatively rare during the warmer climate, but we should not be complacent. In early spring, when the temperature rises quickly and then remains low for a period of time, this weather phenomenon is called late spring cold. In the south, the main impact of late spring cold is the rot of early rice seedlings. In the north, it will affect the growth of peanuts, vegetables, and cotton, and in severe cases it will even cause the death of wheat seedlings. During the Spring Equinox, most of Northwest my country, northern North China and Northeast China are still in the transition stage from winter to spring, with sunny days and frequent winds, and the weather is warm but still cold. According to the statistics of sandstorm weather in recent years, April has the most, followed by March. The vernal equinox lasts for 15 days, which is from the end of March to the beginning of April. In these areas, the blowing sand by strong winds, the floating dust from high altitudes, and especially the pollution caused by sandstorms to the atmosphere, always attract the attention of the public and become a hot topic for a while. The weather may still be cold after the spring equinox. After the Spring Equinox, the temperature in most parts of southern my country continues to rise, but generally not as fast as the period from Rain Water to Spring Equinox. The average temperature in late March is mostly 13℃ to 15℃ in northern South China, and 15℃ to 16℃ in southern South China. The snow and ice have melted in most parts of the plateau, and the average temperature in the ten-day period is about 5℃ to 10℃. However, around the Spring Equinox, there is often an invasion of strong cold air in South China, and the temperature drops significantly, with the lowest temperature possibly dropping below 5°C. Sometimes small amounts of cold air follow, resulting in low temperatures and rain that last for several days. This is the so-called "late spring cold." |
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