【摘要】 2010年1月3-5日大同地区出现了一次近年来少有的强寒潮天气过程。文章从寒潮爆发时的环流形势演变特征、地面影响系统、温度平流、各层垂直速度、700水汽通量等进行了详细分析,得出造成这次寒潮天气的环流背景、寒潮降水的影响系统,以及与之配合的各种物理量场的诊断分析。更多还原

【Abstract】 The strong wave occurred on january 3-5,2010 in Datong.This article detailedly analysized the circulation situation evolvement characteristic of this weather event,Influence system of surface,Temperature advection of 850hpa and vertical velocity,700hpa water vapor flux etc.It was obtained the circulation background of strong cold wave,The influence system of cold wave rainfall and Diagnosis and analysis of the physical variable field.更多还原