Traditional Culture Encyclopedia - Weather forecast - What does the weather forecast mean that it will rain 50%?
What does the weather forecast mean that it will rain 50%?
Probabilistic weather forecast not only reflects the certainty of weather change, but also reflects the uncertainty and uncertainty degree of weather change. In many cases, this form of prediction can better meet the decision-making needs in economic and military activities. Meteorological offices and stations timely and accurately issue weather forecasts, especially severe weather forecasts, through various channels, which have played an important role in protecting people's lives and property and promoting economic development. At first, weather forecasting technology developed rapidly with the development of telegraph. By the early 1950s, weather forecasting was based on weather principles.
With the development of computing technology and detection technology, in addition to the conventional weather chart method combined with mathematical statistics method for forecasting, weather radar and satellite detection data are applied to forecasting business, and numerical forecasting methods are developed. This method predicts the physical process of the atmosphere by determining the principle of conservation of mass, energy and momentum of the atmosphere, which significantly improves the quality of weather situation forecast, thus promoting the objective quantification of weather forecast.
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