山西交城县2014年2月初降雪天气过程研究

Analysis of Snow Weather Process in Jiaocheng County of Shanxi in Early February, 2014

根据常规气象资料对交城县2014年2月初的降雪天气过程进行分析。结果表明,此次降雪是低涡切变和短波槽共同影响的结果;切变和低空急流为强降雪带来了充足的水汽条件;低空急流及强烈的垂直上升运动等为此次持续降雪过程的形成提供了有利条件。

The snow weather process in Jiaocheng County in early February, 2014 was analyzed based on conven- tional meteorological data. The results showed that the snow was affected by low vortex with shear and short wave trough.The shear and low-level jet brought enough moisture for the snow. The low-level jet and strong vertical as- cending motion provided beneficial con- dition for the formation of the snow.