How to list cloudy days in the first volume of seventh grade Chinese?

Morphological changes of clouds, height and thickness, weather signs

Cirrus clouds are like feathers and silk tulle, and the tallest and thinnest clouds are floating continuously, symbolizing the sunshine.

Cirrocumulus is like a scale wave on the water, a cirrus cloud. It is very tall and thin, and there is no rain or snow.

Cumulus clouds, like cotton balls, appear in the morning and dissipate about 2 000 meters at night. The weather is fine and the air is thin.

Cumulus clouds are like snow-white sheep on the grassland, oblate and neatly arranged, about 2,000 meters thin and clear.

Brief table of changes of rain, snow and hail clouds

The shape, position and weather sign of the cloud name change process

Cirrostratus cirrus clouds gather and move forward, covering the sky like a white silk curtain.

Cirrus clouds are getting thicker and thicker, like ground glass covering the sun, and it will rain and snow.

Nimbostratus's high-level clouds become thicker, with dark gray clouds, low sky and continuous rain and snow.

Cumulonimbus Cumulus clouds quickly form tall clouds and clouds, and the sky is low, with thunderstorms and hail.

A brief list of cloud brightness

Generation and distribution of light names and color weather signs

Halo is produced on the cirrostratus and distributed around the sun and the moon. The infrared purple solar halo is rainy on the third night, and windy at noon.

China is produced at the edge of cumulus, and the ultraviolet red China ring changes from small to large and thin. From small to large, to continuous rain.

The rainbow after the storm, on the cloud curtain opposite the sun, the colorful arc-shaped east rainbow thunders and the west rainbow rains.

Sooner or later, the sun turns red according to the opposite clouds. Work at sunrise, don't go out, rest at sunset, and take Wan Li Road.