Seven Wonders Autumn Tiger (1) There is no cloud or wind in the sky, and the heat and temperature are the same every day. Ecological imbalance and disorder, is there an end to steaming barbecue?
Seven Wonders Autumn Tiger (2) It is generally getting colder and colder after autumn, and I don't know how fierce the waste heat is. Chickens have no choice but to hide in the shade. Piglets can hardly lie in the pond.
Four unique autumn tigers (3) Let cicadas sing, and there is no cloud in the sky. Autumn tigers have less wind and rain, and the high temperature has ravaged many dry seedlings.
Autumn tiger, in meteorology, refers to the weather above 35℃ after a short period of heat recovery after lodging for three days. Occurred between the end of August and September of the Gregorian calendar every year. The reason for the formation of autumn tiger is that the western Pacific subtropical high that controls China gradually moves southward in autumn, but moves northward. Under the control of this high pressure, it is partly cloudy, sunny to sunny, with strong sunshine and rising temperature. The weather is characterized by cool in the morning and evening and high temperature exposure in the afternoon.
Due to the vast territory of China, the performance of "Autumn Tiger" is slightly different. For example, autumn tigers in South China come later than those in the Yangtze River valley. In addition, the annual control time of autumn tigers is long or short, lasting for half a month to two months; Sometimes the autumn tiger comes and goes, and then goes back.
Autumn tigers don't necessarily appear every year. "Autumn Tiger" weather, although the temperature is high, but generally speaking, the air is dry and sunny, it will not be very hot in the morning and evening, and it will not be too hot to breathe.
cause
The reason for the formation of autumn tiger is that the western Pacific subtropical high that controls China gradually moves southward in autumn, but moves northward. Under the control of this high pressure, it turned cloudy and sunny locally, with strong solar radiation and rising temperature. This regenerative weather is called "old woman summer" weather in Europe and "Indian summer" weather in North America. Beginning of autumn just now. "Autumn" includes beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew and First Frost.
After autumn, the rain is decreasing day by day, and the air humidity is lower than the limit needed by people's life (the relative humidity is 70%), so the weather is dry, the vegetation withers and people feel dry. Seeing dryness due to dryness injuring body fluid. Dryness is the main qi in autumn and belongs to yang evil. Diseases caused by dryness are warm (early autumn) and cool and dry autumn tiger (late autumn).