数值天气预报检验方法研究进展

被引：89

作者：

潘留杰 ^{[1
]}

张宏芳 ^{[2
]}

王建鹏 ^{[1
]}

机构：

[1] 陕西省气象台

[2] 陕西省气象服务中心

来源：

地球科学进展 | 2014年 / 29卷 / 03期

关键词：

空间诊断; 集合预报; 概率预报;

D O I：

暂无

中图分类号：

P456.7 [数值预报方法];

学科分类号：

0706 ; 070601 ;

摘要：

数值天气预报检验是改进及应用数值模式的重要环节。近年来,模式检验中的观念不断更新,适用于不同预报产品及不同用户需求的模式检验方法也不断涌现。首先简单回顾了以列联表为基础的传统的模式检验方法。其次重点总结了伴随高分辨率数值预报而出现的空间诊断检验技术,按照检验目的的不同,诊断方法可以归纳为:①基于滤波技术的分辨模式在不同时空尺度上预报能力的邻域法、尺度分离法;②利用位移偏差诊断模式预报位置、面积、方位、轴角等与观测差异的属性判别法、变形评估法。然后阐述了集合样本成员的概率分布函数(PDF)、集合预报与观测概率分布函数相似程度、事件发生的概率预报等集合预报检验方法。最后论述了空间诊断技术、集合预报检验方法的适用领域,并讨论了模式检验中存在的一些问题及未来的发展方向。

引用

页码：327 / 335

页数：9

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