青藏高原东部地形对四川盆地东北部一次暴雨过程的影响

艾真珍, 董寅硕, 徐昕, 季玉枝, 衡志炜

Effect of topography of eastern Qinghai⁃Xizang Plateau on a rainstorm occurred in northeastern Sichuan Basin

Zhenzhen Ai, Yinshuo Dong, Xin Xu, Yuzhi Ji, Zhiwei Heng

图3 ERA5再分析资料不同高度的环流形势 (a) 500 hPa geopotential height (blue contour line，unit: gpm)，temperature (red contour line，unit: K)，horizontal wind field (vector，unit: m·s-1)， and 200 hPa wind speed (colored，unit: m·s-1)，in which the black box in the figure is the rainstorm area，and the mapping area in Fig.3b and Fig.3c，(b) 700 hPa geopotential height (blue contour line， unit: gpm)， equivalent potential temperature (red contour line，unit: K)，horizontal wind field (vector，unit: m·s-1)，and (c) 850 hPa geopotential height (blue contour line，unit: gpm)，temperature (red contour line，unit: K)， horizontal wind field (vector，unit: m·s-1)，and wind speed (colored，unit: m·s-1).

Fig.3 Circulation patterns obtained from the ERA5 reanalysis