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Prediction of the weather through application of the principles of physics and meteorology. Weather forecasting predicts atmospheric phenomena and changes on the Earth's surface caused by atmospheric conditions (snow and ice cover, storm tides, floods, etc.). Scientific weather forecasting relies on empirical and statistical techniques, such as measurements of temperature, humidity, atmospheric pressure, wind speed and direction, and precipitation, and computer-controlled mathematical models.
This entry comes from Encyclopædia Britannica Concise. For the full entry on weather forecasting, visit Britannica.com.
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