How comes the rainy weather?

The morning. The bright sun shines. Blue sky promises a clear evening and a wonderful day. Suddenly on the horizon, mostly at its western side, there are faint, thin, transparent cloud. They leisurely crawl across the sky in the form of thin filaments or veil. Often these threads remind beams converging at one point the horizon, on the other side, where they came from. These clouds usually no one notices, but this is the first messengers of the coming storm. Later come and other signs of weather changes. First starts to grow wind. If we take this back to the wind, the area of ??low pressure will always be on the left and slightly in front. And the clouds should be collected in one part of the horizon, which is located on the left side. If so, then these clouds and bad weather are to you. When the clouds are appearing on the right side of the horizon, the worsening of the weather should not be. Cyclone in the side there. What happens next? In a few hours and cirrus clouds gradually compacted. Mostly sunny converted into a solid transparent veil. This will already be cirrostratus. The sun will shine less brightly, and around it may appear a circle. Will be some time, and the sky will tighten solid pale gray film. The sun through a veil will shine through as an oily paper. This shroud is made up of altostratus. Soon, the sun finally clouded and begin to fall first small drops of rain. Rain gradually intensified. Sun will not be visible at all. Under altostratus will bystronesuschiesya scraps of low clouds. The sky will become completely gray and gloomy. The entire surface to the horizon shut mourn nimbostratus. Summer rain and winter snow, usually lasting several hours. But sometimes bad weather delayed for a day and sometimes at night. As soon as the rain dries up, the wind changes its direction and comes warming.