河南“21.7”特大暴雨的区域集合预报检验和预报偏差分析

廉丹华, 袁慧玲, 王婧羽, 陈法敬

Verification and error analysis of regional ensemble forecasts for the torrential rain on 20 July 2021 in Henan province

Danhua Lian, Huiling Yuan, Jingyu Wang, Fajing Chen

图8 20日17时的（a） ERA5分析场、（b）好成员07、（c）坏成员04的850 hPa位势高度场（等值线）和风场（矢量场）；（d~f）分别是上述风场与ERA5分析场的差值（填色为风速，红框范围内为河南省）

Fig.8 The 850 hPa geopotential height (contours) and the wind field (vectors) of the (a) ERA5 reanalysis， (b) good member 07， and (c) bad member 04 at 17:00 CST on 20 July; (d~f) the differences between the abovementioned wind fields and ERA5 reanalysis， respectively (Shades denote wind speeds， and the red box covers the Henan Province)