When was the first first frost in 2022?

The frost in early 2022 is: 2022,65438+16:59:25 on October 23rd and Sunday on September 28th.

Introduction of the first frost.

The solar term of the first frost means that the weather is getting colder and first frost begins. In the south latitude Sichuan Basin, the average temperature is about 65438 06℃, and there are three solar terms before the first frost day. In the southern valley of the basin, frost can only be seen in the dead of winter. Of course, even at the same latitude, the temperature and humidity of the air close to the stratum are different due to the difference of altitude and topography, and the first frost period and frost day are also different.

From a scientific point of view, the saying that "dew becomes frost" is not accurate. The frozen dew formed by dew freezing is hard small ice beads. Frost refers to the phenomenon of crop freezing injury caused by the sudden drop of temperature, and its harmful temperature varies with crops, varieties and growth periods. To form frost, the temperature of the ground or ground objects must drop below 0℃, and the moisture content in the ground air must reach a certain level.

Therefore, there may not be frost in first frost, and there may not be frost in first frost. However, due to the low temperature during frost, if the temperature continues to drop, it will easily lead to frost.

After the first frost, a large number of Dioscorea zingiberensis were collected and excavated in the basin. If the harvest is too early, the lump will not fully expand, which will affect the yield; But if the harvest is too late, it may be damaged by early frost, and the block will be frozen and deteriorated, so it is very important to dig it out in time.

Su Shi, a great writer in the Northern Song Dynasty, said in a poem: "There are thousands of trees to eliminate pornography, and only Furong is alone." The climate in Sichuan Basin is mild. During the first frost, the fields are lush, orange-yellow-orange-green, autumn chrysanthemums are in full bloom, and hibiscus trees are in full bloom, making the rich "Tianfu" even more gorgeous.

The first frost is three seasons

Jackals are sacrificial animals: jackals show their prey before eating them.

Yellow vegetation: The leaves on the earth are all yellow and have fallen.

The stinging insects are salty: the stinging insects are motionless in the hole and droop their heads into hibernation.

Climatic characteristics of the first frost.

The first frost solar term is generally around the Gregorian calendar1October 23rd 10 every year. At this time, the cold air goes south, the weather is getting colder and colder, and the temperature difference between day and night in the south changes greatly; However, the temperature in some parts of the north has dropped below 0℃. For example, the average temperature in the northeast, the east of Inner Mongolia and the northwest has been below 0℃, and the average temperature in the south of latitude is mostly around 16℃.

In autumn, the main climate is dry, and the temperature gradually turns cold. However, after the first frost, the temperature difference between day and night is even greater. It is very cold in the morning and evening and very hot at noon. Autumn dryness is obvious. After the first frost, the plants gradually lost their vitality and the land was desolate.

"Frost first, frost first, dew becomes frost", but from a scientific point of view, the statement of "dew becomes frost" is inaccurate. The frozen dew formed by dew freezing is hard small ice beads. Frost refers to the phenomenon of crop freezing injury caused by the sudden drop of temperature, and its harmful temperature varies with crops, varieties and growth periods. To form frost, the temperature of the ground or ground objects must drop below 0℃, and the water vapor content in the air on the ground should reach a certain level.

Therefore, there is not necessarily frost in first frost, and there is not necessarily frost in first frost; However, due to the low temperature during frost, if the temperature continues to drop, it will easily lead to frost.

What traditional food does ChuShuang eat?

Eat beef

The first frost is a good time for tonic. As the saying goes, winter mending is not as good as first frost mending, winter mending is too greasy, and first frost sun mending is excellent. In order to welcome the arrival of the first frost solar terms, many places have the custom of eating beef dinner in the first frost. From the health point of view, beef is very popular because of its high protein content, low fat content and delicious taste. Beef has the effects of invigorating the middle energizer, invigorating the spleen and stomach, strengthening bones and muscles, resolving phlegm and calming wind, and quenching thirst. Eating beef in cold winter has the function of warming the stomach and is a good tonic in cold winter.

Eat duck

On the day of the first frost, people in Taiwan Province Province in southern Fujian should take supplements, which is what we often say in the north. Every time the first frost comes, ducks in Fujian and Taiwan will be very popular, and sometimes they will be out of stock, which is in short supply. The hot and dry season in summer and autumn is best for eating ducks. Regular consumption of duck meat is most beneficial to those who are weak, edema due to yin deficiency, loss of appetite, dry stool and persistent low fever. Duck meat can lower cholesterol. Therefore, it is very healthy to eat more duck meat instead of other meat dishes.

Eat radish

Radish is the treasure of autumn, and there is a saying in China that "October radish competes with ginseng", which means that eating radish in October is as beneficial as eating ginseng. In fact, there are many "good partners" in white radish, some of which have complementary nutrition, and some have double nourishing effect. The first frost solar term coincides with the transition of autumn and winter, so during the first frost, people in China also have the custom of eating radishes.

Shandong agricultural proverbs: summer sorghum, white deer valley, first frost radish. The lungs should be autumn, the white radish skin is white and opaque, and the meat is spicy. Eating angry can enhance lung function and relieve cough. Appropriate amount of white radish and green olive should be decocted in water instead of tea to prevent and treat influenza.

Eat persimmon

Eating persimmon diced in the first frost won't cause runny nose. This is what the old man in Quanzhou, Fujian said about eating persimmons in the first frost. In some parts of our country, people eat red persimmons in the first frost season. In the eyes of local people, it can not only keep out the cold and keep warm, but also nourish the bones and muscles. This is a good first frost food. In addition, persimmons generally mature completely before and after the first frost. At this time, persimmon with thin skin and fragrant meat has high nutritional value and is very sought after by everyone.

After the first frost solar term, the persimmon hit by frost is especially delicious. Not only delicious but also inexpensive, it can also nourish the body. Fujian people are used to buying a few kilograms before and after the "first frost" and going home to taste it slowly.