It rains and the sun shines at the same time. How is this weather formed?

On a summer day, the doll’s face changed just now, but it was sunny in Wan Li for a while. At this time, someone exclaimed that there was a "solar rain". At that time, the WeChat circle of friends was screened by a rare solar rain. Solar rain is a wonderful natural phenomenon that almost everyone has encountered, but have you ever wondered why this happened?

What is sun rain?

The phenomenon of "solar rain" is a weather phenomenon, which is called "discontinuity of horizontal distribution of precipitation" in meteorology. Solar rain usually occurs in summer, and it is more common in the south.

How is the solar rain formed?

First kind

The reason for the formation is that the rain generated by dark clouds in the distance is instantly blown to another place by high-altitude strong winds.

the second type

It is because two clouds with different charges collide with each other in the high altitude under the action of the solar wind, resulting in excessive water vapor content in the air in some areas, and the water vapor evaporates quickly due to solar radiation.

The third kind

The reason is that the weather suddenly changed and it began to rain. Before the rain from the sky landed, the clouds had disappeared, so although the weather looked sunny, it began to rain.

With rain, the sky stage is lively, and the blue sky is not so boring. We all know the formation of rain, and cloud is one of the most indispensable basic conditions. In fact, it takes a rather complicated physical process to change from cloud to rain!

Formation process of rain

Let’s look at the composition of clouds. Clouds are made up of a large number of invisible water droplets or ice crystals floating in the air, or a mixture of water droplets and ice crystals. From cloud to rain, it is actually a process in which water droplets or ice crystals grow and grow. Whether the cloud drops come down from the cloud after becoming larger is rain, snow or other forms, which mainly depends on the temperature inside and under the cloud. When the temperature in the cloud is above zero degrees Celsius, the cloud is completely composed of water droplets, and when the water droplets increase, they fall down, which is rain.Rain usually appears in four forms:

Types of rain

convectional rain

When the air is strongly heated, the hot and humid air expands and rises, and the rain formed by the cooling and condensation of water vapor in the air is called convective rain. The equatorial region is dominated by convective rain all year round, and the convective rain in our country is more common in summer afternoons.

orographic rain

Orographic precipitation was forced to climb along the hillside because the humid air was blocked by the mountain. In the process of rising, the water in the air cools and condenses to form precipitation. Such as precipitation in northeast India and southeast Tibet in China.

frontal rain

Two kinds of airflow with different properties meet, and the interface between them is called front. On the front, warm, wet and lighter air is lifted to the cold, dry and heavier air. In the process of uplift, the water vapor in the air cools and condenses, and the precipitation formed is called frontal rain.

Typhoon rain

Rainfall is a special form of rainfall, which usually occurs when a typhoon comes. The center wind force of a typhoon is generally very strong, and the maximum wind force can reach more than 12! The time of rainfall generally depends on the speed of typhoon movement, and the rainfall intensity is very large in a short time, accompanied by strong lightning and strong winds.

Source | Meteorology E New

Panda said Winter Olympics ⑦ | More and more popular skiing, do you understand? (I)

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Editor’s Note: Which project is called "Poetry of Movement" because of its breathtaking and beautiful? Which sport has "disappeared" in the Winter Olympics several times because of its danger? Which sport developed from summer sports and is called snow surfing?
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The opening of the Beijing Winter Olympics is just around the corner. Lock in the animation series of "Pandas Say Winter Olympics" of Xinhuanet and take you to unlock the ice and snow sports in advance.
Episode 7: Skiing (I)
Skiing, as a traditional ice and snow sport, contains many different sub-items, such as alpine skiing, which combines speed and skill organically and is very ornamental; Cross-country skiing, one of the oldest sports in the history of world sports; Ski jumping in the air; The youngest and most fashionable snowboarding in the Winter Olympics; Freestyle skiing, which focuses on freedom and excitement.
alpine skiing
Alpine skiing originated in the Alps of Europe, so it is also called alpine skiing. Alpine skiing was gradually formed on the basis of cross-country skiing. In 1936, the Garmisch-Partenkirchen Winter Olympics in Germany was included in the official competition. The alpine skiing competition of Beijing 2022 Winter Olympics will be held at the National Alpine Ski Center in Yanqing Division, and a total of 11 gold medals will be produced.
Alpine skiing competition depends on the time to finish skiing. Starting from the top of the mountain, athletes combine speed and skill perfectly to show the essence and charm of skiing. The vertical height difference of the downhill competition field is usually more than 800 meters for men and 450 meters for women. The height difference of gyration, giant slalom and super giant slalom varies from 140 meters to 650 meters.
Downhill and super giant slalom are speed events, and the ranking is determined according to the result of one slide; Giant slalom and slewing belong to technical projects, and the ranking is calculated according to the total results of two taxiways. The ranking of all-around events is determined by adding the results of the first round of downhill and the second round of gyration. The team competition is a knockout.
In alpine skiing competition, athletes must cross a corresponding number of flag gates. Knocking down the flagpole is not a foul, but if you miss a flag gate, you will be sentenced to a foul without counting your grades.
freestyle skiing
Freestyle skiing began in the 1960s and developed on the basis of alpine skiing. It was included in the official competition in the 1992 Winter Olympics in Albertville, France.
Freestyle skiing is completed by double boards, including aerial skills, snow skills, U-shaped field skills, slope obstacle skills, obstacle chasing and big platform, etc. Different events have their own characteristics, showing gorgeous skills and skillful skiing techniques to the fullest.
The big platform competition of freestyle skiing in Beijing 2022 Winter Olympics was held in Shougang Ski Platform in Beijing Division, and the rest events were held in Genting Ski Park in Zhangjiakou Division, resulting in 13 gold medals.
Li Nina has won three consecutive championships in the aerial acrobatics in the World Championships, and is known as the "Snow Princess". Han Xiaopeng won the gold medal in men’s aerial skills at the 20th Winter Olympics in Turin in 2006, which made a historic breakthrough for China.
snowboard
Snowboarding originated in the United States in the mid-1960s, and it was related to skateboarding and surfing. In 1998, it was listed as an official event in the Nagano Winter Olympics.
Snowboarding includes big platform, parallel slalom, obstacle pursuit, slope obstacle skills and U-shaped field skills. Snowboarding is free, fashionable and thrilling, which conforms to the characteristics of the times and shows youthful vitality, and is deeply loved by young people.
The snowboarding competition in Beijing 2022 Winter Olympics produced a total of 11 gold medals, among which the obstacle chasing mixed team competition is a new event in Beijing Winter Olympics.
Producers: Liu Jian, Xu Jiren, Qian Tong
Planning: Zhou Hongjun, Liu Jiawen, Zhou Jie
Producers: Hou Dawei, Ni Hong and Zhan Peng.
Coordinator: Li Xu, Wang Fan and Ding Feng.
Synergy: Zhang Tao, Zhang Anqi
Copywriter: Wang Jianbing, Wang Meng, Diao Wenjing, Gong Yuanyuan.
Edit: Li Ji
Poster: Bao Yugang
xinhuanet
Xinhua news agency sports department
Joint production
Xinhuanet Winter Olympics Reporting Group
Xinhuanet Sichuan co., ltd
Joint production
Reporting/feedback

Media criticism of China football has caused fans to laugh at it. It is a hot topic that you can’t miss at 7 am.

Recently, there has been a "AFC Champions League" in China football circle, and the Super League team won all the matches in this round, which made China football fans shine at the moment. However, at this exciting moment, some people began to worry about the goal of domestic players, which made people feel a little surprised. Among them, Ran Xiongfei’s comments caused great controversy. He said that the team’s victory in three games was a shot in the arm, and it was completely nonsense to worry that domestic players scored less goals. What he seems to want to express is that in a team, everyone should contribute to the victory, not worry about who scores the goal. Of course, some fans don’t agree with this view. They think that if foreign aid always occupies the forefront of the scorer list, the room for improvement of local players will be limited.

However, is this idea too narrow? As a team, victory is the most important thing, and everyone should strive for it. In addition, we must not forget that local players also need time to grow up, and they need to improve their strength through youth training. Nowadays, the adult players have been finalized, but we can improve the overall level of football in China by cultivating young players. If we only pay attention to the immediate results and ignore the future development, then China football may never catch up with other countries. Therefore, let’s put aside our worries about the number of goals scored and take practical actions for the development of football in China.

Let us believe that as long as everyone tries their best, China football will surely usher in a more brilliant future.

The above contents and materials are all from the internet, and the relevant data, and the theoretical research is based on the internet data, does not mean that the author agrees with the laws, rules, opinions and behaviors in the article and is responsible for the authenticity of the relevant materials. I am not responsible for any problems arising from the above or related issues, and the author of this article does not bear any direct or indirect legal responsibilities.

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