有无台风影响下陕西西北涡暴雨特征对比分析
彭力, 赵强, 乔丹杨, 张雄, 徐浩天, 倪闻

Comparative analysis on characteristics of rainstorms caused by northwest vortex in Shaanxi with and without influence of typhoon
PENG Li, ZHAO Qiang, QIAO Danyang, ZHANG Xiong, XU Haotian, NI Wen
图3 2010—2020年有(a、c、e、g)、无(b、d、f、h)台风影响时陕西西北涡暴雨500 hPa高度场(实等值线,单位:dagpm)、风场(风矢,单位:m·s-1)(a、b),700 hPa高度场(实等值线,单位:dagpm)、风场(风矢,单位:m·s-1)和涡度(阴影,单位:10-5 s-1)(c、d),800 hPa假相当位温(实等值线,单位:K)、风场(风矢,单位:m·s-1)(e、f),200 hPa高度场(实等值线,单位:dagpm)、风场(风矢,单位:m·s-1)和散度(阴影,单位:10-6 s-1)(g、h)
Fig.3 The 500 hPa height field (solid contours, Unit: dagpm) and wind field (wind vectors, Unit: m·s-1) (a, b), 700 hPa height field (solid contours, Unit: dagpm), wind field (wind vectors, Unit: m·s-1) and vorticity (the shaded, Unit: 10-5 s-1) (c, d), 800 hPa pseudo-equivalent potential temperature (solid isolines, Unit: K) and wind field (wind vectors, Unit: m·s-1) (e, f), 200 hPa height field (solid contours, Unit: dagpm), wind field (wind vectors, Unit: m·s-1) and divergence (the shaded, Unit: 10-6 s-1) (g, h) during rainstorm processes caused by northwest vortex with (a, c, e, g) and without(b, d, f, h) typhoon influence in Shaanxi from 2010 to 2020