青海高原低涡关联降水特征及不同象限环境场分析

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沈晓燕¹^,²(

), 马元仓¹^,²(

), 申燕玲¹^,², 权晨¹^,², 管琴¹^,², 安琳¹^,², 王惠平¹^,²

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

SHEN Xiaoyan¹^,²(

), MA Yuancang¹^,²(

), SHEN Yanling¹^,², QUAN Chen¹^,², GUAN Qin¹^,², AN Lin¹^,², WANG Huiping¹^,²

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