The elaboration of a weather forecast is no easy task. It is quite obvious that the atmosphere is highly complex place, a space lacking in linear behavior. The latest technological advances allow the achievement of higher levels of precision and accuracy in weather forecasting. But counting with the best technology for the gathering of information, the most accurate computer models and the most powerful supercomputers, would be almost useless if human knowledge and experience would not do the interpretation of their output, translating it into useful information for all of us, the general public. The forecaster is crucial in the process of interpreting what applied technology offers as raw data. Verification is the following step, and not less important. Evaluating the accuracy of the forecast through the process of verification allows to make adjustments, if necessary, to learn from mistakes and to enlarge the forecaster expertise. When it comes to dangerous weather, forecasters have a main role in saving lives, as they warn people about severe and hazardous weather conditions, under the form of bulletins, advisories, watches and warnings. Usually, a complete weather forecast includes information about: temperature, heat index, humidity, precipitation, wind, wind chill, fronts, cloud coverage, Highs and Lows.
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