First try to figure out what is the weather. Despite the fact that everyone always uses this word in quite a lot of people this issue will cause some difficulty.

Weather - state of the atmosphere in different regions of the Earth. She is hot or cold, wet or dry, calm or windy. Different combinations of different amounts of heat, moisture and motion in the atmosphere - that's what weather. And it is in the process of change constantly.

Daily changes are caused by different atmospheric processes. Seasonal changes are the result of rotation of the Earth around the Sun. Reasons for changes in the weather until the end and have not been established, but recently one of the major reasons is the productive activity of man.

important fact that determines the weather - it's cooling or heating the air. The different degrees of heat in different parts of the atmosphere - cause of the winds, as well as having a serious impact on the amount of moisture evaporated from the surface.

humidity, as well as temperature has a significant influence on the weather. It determines the probability of precipitation and cloud clusters. Meteorologists are predicting

us, what the weather will be looking at weather fronts (boundaries that lie between the masses of cold and warm air, or between the clear sky and cloud clusters). Weather changes, including a variety of unpleasant effects, such as snow and storms are connected with the movement of fronts.