What time does the weather forecast end?

Since prehistoric times, human beings have tried to predict the weather after a day or a solar term. About 650 years ago, Babylonians used the appearance of clouds to predict the weather. About 340 years ago, Aristotle described different weather conditions in his astronomical theory. People in China have been making weather forecasts for at least 300 years.

The ancient weather forecast mainly depended on some weather phenomena. For example, people often observed sunny weather after sunset. This observation has accumulated a lot and formed a weather proverb. However, many of these proverbs were later proved to be incorrect.

From the17th century, scientists began to use scientific instruments (such as barometer) to measure weather conditions and use these data to make weather forecasts. But for a long time, people can only use local meteorological data to make weather forecast, because at that time, people can't transmit the data to a distant place quickly. 1837 after the invention of the telegraph, people were able to make use of large-scale meteorological data for weather forecast.

Meteorology developed rapidly in the 20th century. People's understanding of atmospheric processes is becoming clearer and clearer. Digital weather forecast appeared and developed rapidly with the development of computer hardware in1970s. Today, it has become the most important weather forecast method.