ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Performance Verification of the MediumRange Forecasting for T639， ECMWF and Japan Models from September to November 2009
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Abstract:
In order to improve the ability to use the products of T639, some syno ptic verification on its mediumrange forecasting in 2009 autumn is made in comparison with the NWP of ECMWF and Japan models. The results show that the thr ee models have good performances in the aspect of predicting the largescale ci rculation evolution and adjustment in Asian middle and high latitude areas. As a whole, ECMWF model is better in forecasting most weather systems compared with the T639 and Japan models. Taking tropical storm No.0917 (Parma) as a case, it is found that ECMWF model gets the most correct results, and that T639 model has poor stability, whereas Japan model completely failed in forecasting the track and the intensity of Parma.
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