Traditional Culture Encyclopedia - Weather inquiry - The first frost will snow, will the first frost frost frost?
The first frost will snow, will the first frost frost frost?
Will the first frost frost?
There are still a few storms, and the hurried autumn will come back. In autumn, in the drizzle, it gets deeper and the first frost comes.
On the first frost day, there was no frost, it was raining and foggy. Rain, splashing on the umbrella, swimming on the flat road. The wind blew off the temperature and blew up the sleeves.
How did the first frost form?
The first frost is a common phenomenon, which contains physical knowledge. Water vapor near the ground will condense when it is cold, that is to say, it will liquefy. So we often see a layer of white things on trees and flowers. This is the so-called first frost!
The first frost time.
The first frost time is1October 22nd or 23rd or 24th, 10 every year. The first frost solar term means that the weather is getting colder and the first frost appears. It is the last solar term in autumn, which also means that winter is about to begin.
Calculation formula of first frost date: [Y*D+C]-L
Interpretation of the formula: Y= two digits after the number of years, D=0.2422, L= leap year, 2 1 century C=23.438, and 20th century C=24.2 18.
For example, the frost date in early 2088 = [88× 0.2422+23.438]-[88/4] = 44-22 = 2265438+1the first frost on October 22nd.
Exception: calculation result in 2089 plus 1 day.
The origin of the first frost
"Twenty-four solar terms" said that the first frost: in mid-September, the gas was cold and condensed, and the dew became frost. At this time, frost has appeared in the Yellow River Basin of China, and a piece of silver ice crystals is shining in the fields thousands of miles away. At this time, the leaves turned yellow and fell. The ancient book "Twenty-four solar terms" said: "Qi stagnates at the beginning of frost, and Yin begins to coagulate". It can be seen that the "first frost" means that the weather is getting colder and the dew condenses into frost. In ancient China, the first frost was divided into three stages: first, the jackal sacrificed animals; Second, the vegetation is yellow; Three stings are salty. The jackal began to catch prey, sacrifice animals, and return books to heaven with animals, paving the way for sacrificing autumn gold; The leaves on the earth turned yellow and fell; The stinging insects are motionless in the cave, hanging their heads and going into hibernation.
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