The Usage of Composite Similarity in Short-range Forecast of Heavy Rain
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Abstract:
Selected 586 cases producing shaanxi heavy rain weather during April to Nevember in 1961—1988 ,every case is summarized to a series rain index and a similarity historical sample,using the expert forecasting experiences and multivariate similarity, the short-range heavy rain of shaanxi in limited erea is forecasted. The accuracy of forecasting can reach to 78% during July to August in 1989.