Weather proverbs represented by fishscale clouds are Fishscale days, no rain or wind upside down.

Fish scale clouds are actually translucent altocumulus. Translucent high cumulus, generally speaking, before the cold air, clouds gradually thickened, and layer distribution, heavy clouds in each other "squeeze", it will show the shape of the fish scale cloud. Meteorological experts, this fish scale cloud accumulation to a certain extent will become rain clouds. Meteorological proverbs image: "fish scale days, not rain also wind upside down".

The change of clouds on the sky is a very important sign of predicting weather changes. Proverb "fish scale day, not rain also wind upside down" that is, the sky appeared fish scale clouds, that is to change the day, this is the sign of cloudy days, it will not be long before it rains, even if it does not, that there is a gale. People summarize this weather proverb, in fact, there is a scientific basis, the so-called fish scale clouds, is the convoluted clouds, and the convoluted clouds usually form a rain layer, and finally lead to rain.

Features of Fish Scale Clouds

Translucent high cumulus clouds are characterized by clouds that are at a relatively high altitude, the clouds are thinner, white, and often neatly aligned in one or two directions, with obvious gaps between the clouds, and even if there are no gaps, the edges of the clouds are also brighter, allowing for the discernment of the position of the sun and the moon. For the wave-shaped clouds, the cloud is clearly defined, often flat round, tile-like, fish scale, or water wave-like dense cloud strips.

Fishscale clouds are usually arranged in groups, rows, and waves. Most clouds have an apparent width angle of 1 to 5 degrees. Sometimes they can occur at two or several altitudes. Thin clouds become white and thick clouds are dark gray. On the thin altocumulus, there is often a rainbow around the sun and moon, or the color of the outer red and inner blue wreath.