摘要
2012年11月10日8:00时到14日8:00时在呼伦贝尔市自西向东出现了明显的降雪天气过程,通过对这次降雪过程中两次集中降水时段分析,同时结合高低空环流形势、各物理量场、云图等的演变,找出影响其降雪的主要原因,发现产生明显降雪的条件主要是:有利的高低空环流配合;充足的水汽来源;中低层切变线产生的强烈上升运动;持续较长的降雪时间。另外,伴随降雪持续的低空急流也为降雪的产生提供了有利的动力热力条件。
08 November 10, 2012 to 14, while 08 from west to east in the hulunbuir city appeared obvious snow weather process, this article through to the snow in the process of two concentrated rainfall time analysis, in combination with high and low air circulation situation and the evolution of each physical quantity field, cloud, etc, find out the influence of the main causes of the snow, mainly produce significant snowfall conditions： the advantage of high and low air circulation to cooperate; Sufficient water vapor sources; The low-level shear line produce strong upward movement; Last for a long time snow, in addition, accompanied by the low level jet are snow snow last provides favorable dynamic thermodynamic conditions.
出处
《内蒙古农业科技》
2013年第5期90-92,共3页
Inner Mongolia Agricultural Science and Technology
关键词
环流形势
切变线
低空急流
The circulation situation
Shear line
Low level jet
