本文已被：浏览 1049次 下载 1989次
投稿时间：2006-01-19 修订日期：2006-08-16
投稿时间：2006-01-19 修订日期：2006-08-16
中文摘要: 利用常规及非常规气象资料,对2004年6月7日河北省衡水市的一次飑线进行了分析,发现低涡切变线、地面冷锋是这次强对流天气的影响系统。从红外卫星云图特征看,这次飑线过程属于在较弱的风垂直切变环境下生成的断续线型,多个对流单体构成云线。从雷达回波特征上看其发生发展过程属于后续线型,形成比较典型的弓形回波和逆风区。对比红外卫星云图、闪电定位资料以及雷达回波发现,三种非常规气象资料在系统影响时间、强度变化,移动方向方面具有很好的对应性。
中文关键词: 切变线，冷锋，闪电定位，弓形回波，逆风区
Abstract:Based on the conventional and non-conventional observation data,the squall event occurring on June 7,2004 in Hengshui of Hebei Province is analyzed.The results show that the low vortex shear line and the cold front are the synoptic systems that caused the squall event.A cloud line is constructed by several convective cloud clusters on the cloud picture.The typical bow echo and adverse wind regions appeared on the map of Doppler radar reflectivity and velocity.By analyzing the cloud picture,lightning location data and Doppler radar echo,a conclusion can be drawn that the three kinds of non-conventional observation data have close relationship to the influence time,change of intensity and moving direction of synoptic system.
文章编号： 中图分类号： 文献标志码：
基金项目:
| Author Name | Affiliation |
引用文本：
王莉萍,崔晓东,常英,赵平,2006.一次飑线天气的非常规气象资料特征分析[J].气象,32(10):88-93.
,2006.Analysis of Non-conventional Observation Characters in a Squall Event[J].Meteor Mon,32(10):88-93.
王莉萍,崔晓东,常英,赵平,2006.一次飑线天气的非常规气象资料特征分析[J].气象,32(10):88-93.
,2006.Analysis of Non-conventional Observation Characters in a Squall Event[J].Meteor Mon,32(10):88-93.