有无台风影响下陕西西北涡暴雨特征对比分析
彭力1,2,4(), 赵强3,4, 乔丹杨4,5, 张雄1,2, 徐浩天1,2, 倪闻1,2
Comparative analysis on characteristics of rainstorms caused by northwest vortex in Shaanxi with and without influence of typhoon
PENG Li1,2,4(), ZHAO Qiang3,4, QIAO Danyang4,5, ZHANG Xiong1,2, XU Haotian1,2, NI Wen1,2

图5. 2010—2020年陕西西北涡暴雨过程有(a、b)、无(c、d)台风影响时涡度(填色区,单位:10-5 s-1)、散度(蓝色虚线,单位:10-6 s-1)、垂直速度(黑色实线,单位:10-1 Pa·s-1)、流场(矢量,经向:v,ω×10,纬向:u,ω×10,单位:m·s-1)沿110°E(a)与109°E(c)的纬度-高度剖面,及沿38°N(b)与37°N(d)的经度-高度剖面
(黑色阴影为地形,下同)

Fig.5. The latitude-height profiles along 110°E (a) and 109°E (c) and longitude-height profiles along 38°N (b) and 37°N (d) of vorticity (the color shaded, Unit: 10-5 s-1), divergence (blue dashed lines, Unit: 10-6 s-1), vertical velocity (black solid lines, Unit: 10-1 Pa·s-1) and stream field (vectors, longitude: v,ω×10, latitude: u, ω×10, Unit: m·s-1) during rainstorm processes caused by northwest vortex with (a, b) and without (c, d) typhoon influence in Shaanxi from 2010 to 2020
(The black shaded is terrain. the same as below)