What are the structural features of the weather seen from the clouds? And summarize the content.

The text is divided into three parts according to the structure of "total-sub-total":

first part

Paragraph 1

Explain the relationship between clouds and weather;

the second part

Paragraphs 2-6

Explain in detail how to know the weather by looking at clouds (shapes/colors);

the third part

Paragraph 7

Explain the significance and limitations of understanding the weather from clouds.