"Golden Cudgel" across the sea? A rare wonder appeared in one place

"Golden Cudgel" across the sea? A rare wonder appeared in one place

Suddenly a "golden hoop stick" appeared in the sky.

What kind of scene is this?

Recently, in Yantai, Shandong

Such a spectacular scene appeared

On June 13, a severe thunderstorm

A citizen of Yantai took this photo

A very spectacular roller cloud appeared in Changdao, Yantai

Extremely long cloud

Like it's leading to the end of the sky

Click on the video↓

Netizen: I was shocked!

What is a rolling cloud?

Roll clouds, also called wave clouds, are horizontal, tube-shaped clouds. Wave clouds are created when stable air is disturbed, causing the air to move along the disturbance, like waves in a pond. This disturbance is usually created when cold, dry air from a moving cold front collides with a relatively stable area of ​​warm, moist air. If the stable layer of air is moist, clouds form at the top as the air flows upward. When the air flows downward, the clouds evaporate. The alternating absence and presence of clouds is what creates the wave effect.

Experts explained that roll clouds are considered precursor clouds of thunderstorm cells and are very rare, and are known as one of the "nine strange clouds in the world." There are an average of 40,000 thunderstorms on Earth every day, but the probability of a roll cloud appearing is less than one in a thousand.

Source: Science Popularization China WeChat Official Account

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