Is it hot during the Beginning of Heat? Is the weather still hot after the Beginning of Heat?
Introduction: The 24 solar terms are one of the timekeeping calendars in our country's ancient times, and different solar terms represent changes in the weather. The Beginning of Heat is the second solar term in autumn. So is it hot? Is the weather still hot after the Beginning of Heat? Let’s follow the editor to learn more about it. Mr. Shui Mo has carefully compiled a special topic about the seventh month of the lunar calendar. Friends who want to know more about the seventh month of the lunar calendar can read the relevant articles in this topic for reference!What is the End of Heat?Chushu, which means "out of summer", means the heat is leaving. It is the 14th solar term among the 24 solar terms in the lunar calendar. It begins around August 23 in the Gregorian calendar, when the sun reaches 150° of the ecliptic longitude. The solar term of Chushu means that we are about to enter autumn in meteorological terms. After Chushu, the temperature in the areas north of the Yangtze River in China will gradually drop. Astronomical experts say that on the day of the Beginning of Autumn, the sun's direct point has moved southward from 23°26′ north latitude on the day of the Summer Solstice to 11°28′ north latitude. In urban Beijing, the length of daylight has been shortened from 15 hours at the summer solstice to 13 hours and 25 minutes. The altitude of the sun at noon has also dropped from 73°32′ at the summer solstice to 61°34′. People can clearly feel that the sun is beginning to move southward. As the sun's altitude continues to decrease, the heat it brings also weakens.Is it hot during the Beginning of Heat? Is the weather still hot after the Beginning of Heat?Is it still hot after the Beginning of Heat: The South is still affected by the "autumn tiger" <br /> The ancients said: "One autumn rain brings a cool breeze", "Three rains in the beginning of autumn, put away the linen fan", "The weather is cool in the beginning of autumn and the beginning of heat", "The heat does not come in the beginning of heat", etc., which are direct descriptions of the climate change during the "End of Heat" season. But in general, the climate characteristics during the Beginning of Autumn are hot during the day, cool in the morning and evening, large temperature difference between day and night, little precipitation, and low air humidity. This indicates that the hottest time of the year is over. However, according to past experience, it will be difficult for the south to enjoy real coolness for a while after emerging from the "dog days", and the sunny, hot and high temperature weather will continue at least until early September. Autumn always feels late, and people are often troubled by the "autumn tiger".Is the weather hot during the Beginning of Autumn? The subtropical high pressure in the ocean gradually moves south in autumn . <br /> Due to the vast territory of China, the performance of the "autumn tiger" is slightly different. For example, the autumn tiger in South China comes later than that in the Yangtze River Basin, usually delayed by 2-4 solar terms. In addition, the duration of the autumn tiger's control varies from year to year, ranging from half a month to two months; sometimes the autumn tiger comes and goes, and then comes back again. In the "autumn tiger" weather, although the temperature is high, the air is generally dry, the sunshine is sufficient, and it is not very hot in the mornings and evenings, so it is not so hot that it is hard to breathe. The reason for the formation of the autumn tiger is that the subtropical high pressure in the western Pacific Ocean that controls my country gradually moves southward in autumn, but then moves northward. Under the control of this high pressure, the weather is sunny and cloudless, the sunlight is strong, and the temperature rises. This kind of hot weather is called "Old Woman Summer" in Europe and "Indian Summer" in North America. Summary: Through the above article, we have learned about whether the weather is hot during the Beginning of Autumn, whether the weather will still be hot after the Beginning of Autumn, and other issues. We hope it can help friends in need! |
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