数值模式评估系统MET及其初步应用

Numerical Weather Prediction Model Testing and Evaluation Systems MET and Application

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作者:

  • 潘留杰 陕西省气象台 西安 710014
  • 张宏芳 陕西省气象服务中心 西安 710014
  • 薛春芳 陕西省气象局 西安 710014
  • 王建鹏 陕西省气象台 西安 710014
  • 刘勇 陕西省气象台 西安 710014

中文摘要:

中文关键词:

MET,概率预报,集合预报,空间诊断

KeyWords:

MET, probability forecast, ensemble prediction, spatial diagnosis

Abstract:

The MET (Model Evaluation Tools) comprehensively uses many kinds of advanced model testing and evaluation algorithms, such as the classical methods, the analysis of high resolution mode diagnosis, ensemble prediction, probability forecast, and the typhoon path test. It is the newest numerical prediction test, evaluation system developed by DTC (The Developmental Tested Center) in the NCAR (National Center for Atmospheric Research, USA). The main purposes are not only to provide a mode performance test tool for mode developers, but also to give users a forecast ability of distinguishing mode and then getting the forecast index by using MET. MET provides abundant interfaces of stations and grid data; its core component integrates many advanced classic mode test methods above mentioned. In addition, it provides various drawing scripts based on language R for users convenience. This article briefly explains the MET system, and gives a precipitation test example based on the MET object-oriented method and neighborhood method.

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