有无台风影响下陕西西北涡暴雨特征对比分析
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Comparative analysis on characteristics of rainstorms caused by northwest vortex in Shaanxi with and without influence of typhoon
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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 |
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