numerical forecasting noun
A method of weather forecasting based on a large number of observations at the earth's surface and throughout the atmosphere, and the calculation from these of the conditions which should follow in accordance with the known laws of physics
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Main Entry: ↑numeric
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numerical forecasting,
a method of weather forecasting in which an electronic computer is fed numerical data on the current weather situation to compute the conditions likely to prevail in a short period of time. It then uses the resulting prediction as the basis for computing the weather at the end of the next period, and so on until a 24-hour forecast is obtained.
Useful english dictionary. 2012.