ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
The Performance Verification of MediumRange Forecast for T639, ECMWF and Japan Model from March to May 2009
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Abstract:
In order to better apply the mediumrange forecast products of the T639 model， s ome synoptic verification from March to May 2009 are made in comparison with ECM WF and Japan models. The result shows that three models all have good forecastin g performanes. Comparably, the ECMWF is better than T639 and Japan models in forecasting the evolution and modification of the atmosphere circulation in middle and highlatitude, and the trend of temperature in 850hPa. Taking the sandstorm process during the period of 23-25th in April as a case, T639 mo del can predict well in aspect of forcecasting surface strong wind in the proces s of the sandstorm compared with Japan and ECMWF models.
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