What is the weather characteristic of the solar term in the season of light cold
Xiaohan is the solar term after the winter solstice. After the winter solstice, the weather is getting colder and colder. People put on heavy clothes and pay attention to keeping warm. So what season is Xiaohan? What are the weather characteristics of the little cold solar term? Next, let's follow the old yellow calendar of this issue and have a look!
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what season is Xiaohan: Winter Xiaohan is the 23rd of the 24 solar terms, the end of the sub month of the Ganzhi calendar and the beginning of the ugly month. The time is between January 5-7 of the Gregorian calendar, and the sun is located at 285 ° of the Yellow meridian. For China, it was around the "March 9th" and Xiaohan marked the beginning of the coldest day of the year. According to the collection of the seventy-two seasons of the month: "on the December Festival, the cold at the beginning of the month is still small, so the cloud is big at the half of the month." according to the data, the light cold is the solar term with the lowest temperature, and the temperature of the heavy cold in only a few years is lower than that of the light cold. The arrival of the light cold season means that China begins to enter the coldest day of the year. As the saying goes, air conditioning is cold for a long time. Xiaohan is the 23rd solar term. Between January 5 and 7, the sun is at 285 degrees of the Yellow meridian. After entering the mild cold, China's climate began to enter the coldest period of the year. It is said in the collection of the seventy-two seasons of the month that "on the December Festival, the cold at the beginning of the month is still small, so the clouds. The half moon is big." that is to say, at this time, the weather is cold, and the cold has not reached the extreme, so it is called Xiaohan.
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the weather characteristics of the light cold are the same as the severe cold, slight heat, severe heat and heat treatment, which are solar terms indicating the change of temperature. Cold means cold, and slight cold means the degree of cold. The small cold solar term began to form the most powerful and stable East Asian Trough, and the Mongolian cold high pressure and Aleutian low pressure also reached the most powerful and stable period. The scale of westerly trough ridge reaches the maximum and matches the maximum intensity of westerly wind. Although the cooling process of cold air is frequent in the light cold solar term, many of them do not meet the cold wave standard. People should still pay attention to the forecast of strong cold air by the meteorological observatory to prevent the impact of strong wind cooling and rain and snow on spring transportation, and pay attention to cold prevention and antifreeze. In the light cold season, the average temperature in the north of Northeast China is about - 30 ℃, the extreme minimum temperature can be as low as - 50 ℃, and the average maximum temperature in the afternoon is only - 20 ℃. Looking at thousands of miles of ice, people seem to be in an ice carved world; The average temperature in Heilongjiang, Inner Mongolia and Xinjiang north of 45 degrees north latitude and the northern Tibetan Plateau is about - 20 ℃, and the average temperature in the west of Hetao near 40 degrees north latitude is about - 10 ℃. The average temperature in Qinling Mountains and Huaihe River is about 0 ℃.
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the winter in southern China is significantly warm. In January, frost and snow invade and often freeze, and the minimum temperature is about - 10 ℃. However, the lowest temperature in northern South China is rarely lower than - 5 ℃, and the low temperature below 0 ℃ in southern South China is rare. Low altitude Valley is the warmest place in the middle of winter in most parts of southern China. The average temperature in January is about 12 ℃, and only a few people may have a low temperature below 0 ℃. Generally speaking, the coldest time in the south is the light cold and the period between rain and waking insects. The light cold is thousands of cold, and the rain is wet and cold.and
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