Intercomparison and Evaluation of Precipitation Forecasts for MAP Seasons 1995 and 1996 |
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| Authors: | R. Mladek J. Barckicke P. Binder P. Bougeault N. Brzovic C. Frei J. F. Geleyn J. Hoffman W. Ott T. Paccagnella P. Patruno P. Pottier A. Rossa |
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| Affiliation: | (1) Météo-France, CNRM, Toulouse, France, FR;(2) Schweizerische Meteorologische Anstalt, Zurich, Switzerland, CH;(3) Geography Institute, Federal Institute of Technology (ETH), Zurich, Switzerland, CH;(4) Deutscher Wetterdienst, Offenbach, Germany, DE;(5) Servizio Meteorologico Regionale of Emilia-Romagna, Bologna, Italy, IT |
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| Abstract: | Summary The precipitation forecasts of four operational numerical weather prediction models over the Alpine region are evaluated and intercompared for two periods of interest to the Mesoscale Alpine Programme (MAP). The new analysis of Alpine rainfall of Frei and Scha?r (1998) is used to validate the models. It is found that the models have a tendency to overestimate the total precipitation and the frequency of intense rain events over high orography. The skill scores show good consistency between models, except for the ability to forecast light rain or heavy rain events. The partition between convective and stratiform rainfall is rather variable between the models. Received March 15, 1999/Revised July 12, 1999 |
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