Look at the pictures to identify the weather, copy the appearance and make analogies, make comparisons, list numbers, quote the data into categories, and explain one sentence each

1. Analogy: Clouds are like the "signboard" of the weather.

2. Explanation: On a sunny day, we will also encounter a kind of altocumulus clouds. These are groups of oblate spherical clouds, arranged very evenly. The blue sky is exposed between the clouds. From a distance, they look like snow-white sheep on the grassland.

The cumulonimbus clouds grew longer and higher, the cloud base slowly turned black, and the cloud peaks gradually became blurred. After a while, the entire cloud mountain collapsed, and dark clouds filled the sky. In an instant, thunder rumbled and lightning flashed. If it flashes, there will be heavy rain, sometimes bringing hail or tornadoes.

3. List numbers: There is also a kind of cotton-like white cloud called cumulus, which often appears in the sky about two thousand meters.

4. Category: We can also speculate on the weather conditions based on the brilliance on the clouds. Divide the brilliance phenomenon into four types: "halo", "hua", "rainbow" and "xia".

5. For comparison: Huahuan changes from small to large, and the weather will tend to be fine. Huahuan changes from large to small, and the weather may turn cloudy and rainy.

6. Cited information: Therefore, there is a proverb: "If you don't go out in the morning glow, you can travel thousands of miles in the sunset".