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About the application:

Weather forecasting is the application of science and technology to predict the state of the atmosphere for a future time and a given place. Human beings have attempted to predict the weather informally for millennia, and formally since at least the nineteenth century.[27] Weather forecasts are created by collecting quantitative data about the current state of the atmosphere and using scientific understanding of atmospheric processes to project how the atmosphere will evolve.[28]Once an all-human endeavor based mainly upon changes in barometric pressure, current weather conditions, and sky condition,[29][30] forecast models are now used to determine future conditions. On the another hand, human input is still needed to pick the best possible forecast model to base the forecast upon, which involve a lot of disciplines such as pattern recognition skills, teleconnections, knowledge of model performance, and knowledge of model biases.The chaotic nature of the atmosphere, the heavy computational power needed to solve the equations that describe the atmosphere, error involved in measuring the initial conditions, and an incomplete understanding of atmospheric processes mean that forecasts become less accurate as the difference in current time and the time for which the forecast is being created (the range of the forecast) increases. The use of ensembles and model consensus helps to narrow the error and pick the most likely outcome