The mechanisms of the weather disasters in 2003 are analyzed quantitatively with the local meridional circulation model based on NCEP reanalysis data and observational data provided by MICAPS system.

利用NCEP逐日再分析资料、Micaps系统提供的气象观测资料及局地经向环流线性诊断模式，定量分析了2003年夏季东亚地区局地经向环流的演变情况。

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The further are using the NCEP/NCAR Global Reanalysis Data and taking the moves TC as the center, then select some grid of the region about the motion TC as the physical quantity predictors (NWP).

进一步根据NCEP/NCAR全球再分析逐日高度场的格点资料，以热带气旋为中心，取移动区域上的格点场资料作为热带气旋路径预报的物理量初选因子。

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Using the NCEP/NCAR reanalysis monthly data of SLP, the seasonal difference of Arctic Oscillation(AO) is studied with the emphasis on the temporal and spatial features of the summer AO.

运用NCEP/NCAR SLP再分析月资料，分析研究了北极涛动的季节性差异，着重讨论了夏季北极涛动的时空特征。

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