ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 42 Issue 11 > 2016,42(11):1410-1417. DOI:10.7519/j.issn.1000-0526.2016.11.014 Prev Next
Performance Verification of MediumRange Forecast by T639, ECMWF and Japan Models from June to August 2016
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Abstract:
The performance of mediumrange forecast for the models of T639, ECMWF and Japan from June to August 2016 is verified and compared. The results show that all of the three models can predict the variation and adjustment of the atmospheric circulation over Asian middle and high latitude areas well, of which ECMWF model performs the best. Both ECMWF and T639 models have good performance in predicting the western Pacific subtropical high, and the bias of ECMWF is smaller than that of T639. The three models predict well on the sustained hightemperature process over Sichuan Basin, and also can perform well in predicting the transitions of temperature at 850 hPa. However, ECMWF model and JP model forecast temperature better for Southern China than for Northern China. Generally, ECMWF model shows a better performance than the other two models. For the Typhoon Nida, ECMWF model does best in predicting the track and intensity, while T639 shows larger errors.
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