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March 12, 2010 - 5:25 am
Weather forecasts are made by collecting quantitative data about the present condition of the atmosphere and using scientific knowledge of the atmospheric process to determine the state of the atmosphere and how it will evolve.
Today, forecast models are being used to predict and determine future conditions, when once it used to be an all-human undertaking mostly based on barometric pressure, current weather conditions and sky conditions. But even today human participation is still necessary to select the most favorable forecast model to found the forecast upon, which includes pattern recognition skills, teleconnections, knowledge of model performance, and knowledge of model biases.
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