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Probabilistic Visibility Forecasting Using Neural Networks
Authors:John Bjørnar Bremnes  Silas Chr Michaelides
Institution:(1) Norwegian Meteorological Institute, Box 43 Blindern, NO-0313 Oslo, Norway;(2) Meteorological Service, Nicosia, 1418, Cyprus
Abstract:Statistical methods are widely applied in visibility forecasting. In this article, further improvements are explored by extending the standard probabilistic neural network approach. The first approach is to use several models to obtain an averaged output, instead of just selecting the overall best one, while the second approach is to use deterministic neural networks to make input variables for the probabilistic neural network. These approaches are extensively tested at two sites and seen to improve upon the standard approach, although the improvements for one of the sites were not found to be of statistical significance.
Keywords:Visibility forecasting  neural networks
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