Short-term rainfall nowcasting: using rainfall radar imaging
Wang, Peng and Smeaton, Alan F. and Songyang, Lao and O'Connor, Edel and Ling, Yunxiang and O'Connor, Noel E. (2009) Short-term rainfall nowcasting: using rainfall radar imaging. In: Eurographics Ireland 2009: The 9th Irish Workshop on Computer Graphics, 11 December 2009, Dublin, Ireland.
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As one of the most useful sources of quantitative precipitation measurement, rainfall radar analysis can be a very useful focus for research into developing methods for rainfall prediction. Because radar can estimate rainfall distribution over a wide range, it is thus very attractive for weather prediction over a large area. Short lead time rainfall prediction is often needed in meteorological and hydrological applications where accurate prediction of rainfall can help with flood relief, with agriculture and with event planning. A system of short-term rainfall prediction over Ireland using rainfall radar image processing is presented in this paper. As the only input, consecutive rainfall radar images are processed to predict the development of rainfall by means of morphological methods and movement extrapolation. The results of a series of experimental evaluations demonstrate the ability and efficiency of using our rainfall radar imaging in a nowcasting system.
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