摘要
通过对2011年11月18～20日和11月29日～12月1日2次临近寒潮过程的对比分析,探讨其不同天气形成的主要原因。结果表明,2次寒潮过程在环流背景、影响系统和冷空气源地、移动等方面存在着相同与不同之处。其主要差异在于第1次寒潮过程属小槽发展型,南支系统活跃程度较弱;第2次属低槽东移型,南支系统活跃,低层有低涡配合,地面有气旋发展。
Based on the comparative analysis of the two cold wave weather in November 18th to 20th and November 29th to December 1st,the main reasons of the formation of the different weather were discussed.The results showed that there exist similarities and differences in the two cold wave weather of the circulation background,synoptic weather systems and air source.The main difference is that the first cold wave process belongs to low trough eastward type,the second is a small slot type development.
出处
《安徽农业科学》
CAS
2012年第32期15801-15803,共3页
Journal of Anhui Agricultural Sciences
关键词
寒潮过程
对比分析
徐州市
Cold wave process
Comparative analysis
Xuzhou City
