What are the common weather systems?

1, using a simple weather map, the characteristics of weather systems such as front, low pressure and high pressure are briefly analyzed.

2. Take a natural disaster as an example, briefly describe the main causes and hazards. Analysis: 1, able to read and simply analyze weather maps and explain weather changes. 2. Pay attention to the main weather systems that affect our country, and make appropriate analysis with relevant weather examples. 3. Illustrate the causes and hazards of meteorological disasters with cases. Key points: classification of frontal system and its influence on weather; The formation of cyclones and anticyclones and the weather and formation process under their influence. Difficulties: understanding the relationship between cold front, warm front and weather; Relationship between low pressure system, high pressure system and weather.