What are the language features of the first paragraph of Weather Information from Clouds?

At the beginning of the article, the shape and characteristics of the cloud are introduced, then the posture of the cloud is vividly and meticulously described with eight metaphors, and then the impermanence of the cloud is highlighted with "just" and "suddenly". The last sentence not only summarizes this part, but also reveals the center of the whole article: "Why can you know the weather by looking at the clouds?"

This passage highlights the use of analogy to explain its expression effect; Please imitate the first four figurative sentences, and then write two figurative sentences describing clouds.

By analogy, this paper vividly describes the morphological characteristics of clouds and their "symbolic" relationship with the weather, which is easy to understand, not only facilitates us to understand things, but also increases the interest of the article and stimulates readers' interest in observing natural phenomena.