Climatic characteristics of summer solstice solar terms

Do you know the climate characteristics of the summer solstice solar terms? Summer solstice is one of many solar terms. So, do you know what the climate characteristics of the summer solstice solar terms are? Let me introduce you.

Climatic characteristics of solar terms in summer from solstice: there is more convective air in summer from solstice.

After the summer solstice, the ground is heated strongly and the air convection is strong, and thunderstorms are often easy to form in the afternoon to evening. This kind of hot thunderstorm comes and goes, and the rainfall range is small. People call it? Summer rain across the ridge? . Liu Yuxi, a poet in the Tang Dynasty, skillfully used this weather to write? Sunrise in the east and rain in the west, is it sunny but sunny? A famous poem. The heavy precipitation brought by convective weather is not always as beautiful as described in the poem, and it often brings local disasters.

Rainy weather in summer from solstice to solstice

Is summer solstice in Jianghuai area? Meiyu? In season, it is the yellow ripening period of plums in Jiangnan, and the air is very humid. Cold and warm air masses meet here, forming a trough of low pressure, leading to rainy weather. In this weather, the utensils are moldy and the human body feels uncomfortable. Some mosquitoes breed quickly, and some intestinal bacteria are easy to breed. At this time, we should pay attention to drinking water hygiene and try not to eat cold food to prevent the occurrence and spread of infectious diseases.

How hot is summer on solstice?

Like the winter solstice, the summer solstice is also a solar term reflecting the changes of the four seasons. Astronomy stipulates that the summer solstice is the beginning of summer in the northern hemisphere. After the summer solstice, although the direct point of the sun gradually moved southward, the days in the northern hemisphere became shorter and the nights became longer. However, because the heat radiated from the sun to the ground is still more than the heat radiated from the ground to the air, the temperature will continue to rise in the future, so there are? Summer solstice, but not hot? Statement. According to the data of 195 1 -2006, the historical extremes of many cities in the north appeared after the summer solstice.

The origin of summer solstice

Solstice is the earliest of the 24 solar terms. In the 7th century BC, the shadow of the sun was measured by civil soil gauge, thus the summer solstice was determined.

The annual summer solstice begins on June 2nd1day (or 22nd) and ends on July 7th (or 8th). According to the "constitutional copy": the summer solstice is called the summer solstice because it has long days and short shadows. Do your best. ? On the summer solstice, the position where the sun directly hits the ground reaches the northernmost point of the year, almost directly on the tropic of cancer (latitude 23? 26\? ), the day is the longest in the northern hemisphere, and the farther north it is, the longer it is.

The summer solstice is not only an important solar term, but also one of the oldest festivals in China. There is a view that the Dragon Boat Festival in traditional festivals originated from the solstice festival in summer. The solstice in summer is the harvest season of wheat. Since ancient times, people have had the custom of celebrating harvest and offering sacrifices to ancestors at this time in order to pray for a good year. Therefore, the summer solstice, as a festival, was included in the ancient ritual of offering sacrifices to the gods. "Zhou Li? "Spring Official" contains: With the arrival of summer, it brought local things. ? In the Zhou dynasty, sacrifices were made to gods from summer solstice, which meant to eliminate famine, hunger and death.