What are the main tools for making weather forecasts around the world?

Weather charts are the main tools for making weather forecasts all over the world.

Weather map refers to a special map filled with meteorological elements in various places at the same time. On the bottom map of the weather map, the locations of cities and stations, as well as major geographical indications such as rivers, lakes and mountains are filled.

According to the principles and methods of weather analysis, meteorological scientists and technicians analyze the distribution characteristics of main weather systems and weather phenomena and their relationships. Weather chart is an important tool for meteorological department to analyze and forecast the weather.

Weather maps can be divided into ground weather maps and high-altitude weather maps. The main grades are weather charts such as 850 hectopascals, 700 hectopascals, 500 hectopascals, 300 hectopascals and 200 hectopascals. At the same time, the upper and lower levels cooperate to understand the three-dimensional spatial structure of the weather system. You can choose different weather maps according to your needs. In China, weather maps of Europe and Asia are usually used, sometimes in the northern hemisphere or at low latitudes (30.