What are the weather patterns?

Weather is the short-term atmospheric conditions in a certain area. It is a comprehensive reflection of various meteorological elements such as airflow, temperature, precipitation, clouds, brightness, visibility and wind. The weather takes the following forms: sunny, cloudy, rainy, snowy, cloudy, windy, etc. It is characterized by short time and large changes. The weather is mainly affected by factors such as air masses and rainfall. In order to predict weather conditions, two tables are generally prepared, one table is used to observe the current weather, and the other table is used to observe the past weather. Weather has a direct impact on human production and life.