青海高原低涡关联降水特征及不同象限环境场分析

沈晓燕, 马元仓, 申燕玲, 权晨, 管琴, 安琳, 王惠平

Precipitation characteristics associated with the Qinghai Plateau vortex and environmental field analysis of different quadrants

SHEN Xiaoyan, MA Yuancang, SHEN Yanling, QUAN Chen, GUAN Qin, AN Lin, WANG Huiping

图10 2016—2021年关联大雨的高原低涡中心为原点合成的对流有效位能（a，单位：J·kg-1）、K指数（b，单位：K）、500 hPa假相当位温（c，单位：K）、整层水汽通量（箭头，单位：kg·m-1·s-1）与水汽通量散度（填色，单位：10-5 kg·m-2·s-1）（d）、500 hPa涡度（填色，单位：10-5 s-1）及200 hPa散度（等值线，单位：10-5 s-1）（e）、500 hPa垂直速度（f，单位：Pa·s-1）空间分布

Fig.10 The spatial distribution of convective available potential energy (Unit: J·kg-1) (a), K index (b, Unit: K), 500 hPa pseudo-equivalent potential temperature (c, Unit: K), integrated water vapor flux (arrows, Unit: kg·m-1·s-1) and its divergence (the color shaded, Unit: 10-5 kg·m-2·s-1) (d), the 500 hPa vorticity (the color shaded, Unit: 10-5 s-1) and 200 hPa divergence (contours, Unit: 10-5 s-1) (e), 500 hPa vertical velocity (f, Unit: Pa·s-1), dynamically composited relative to the center of the plateau vortex associated with heavy rainfall from 2016 to 2021