The correlation analysis is applied to study the relationship between the ural blocking pattern in December and the circulation in its downstream area, and the variation of Mongolia high intensity.

• 本文主要通过相关统计分析；研究了12月乌拉尔山(以下称乌山)阻塞形势的建立与其下游亚洲地区大气环流及蒙古高压强度变化的关系.