台风“温比亚”引发山东极端暴雨的锋生机制分析
高晓梅, 丛春华, 李峰, 王世杰, 侯启, 封雅琼

Analysis on the frontogenesis mechanism of an extreme rainstorm in Shandong Province caused by Typhoon “Rumbia”
GAO Xiaomei, CONG Chunhua, LI Feng, WANG Shijie, HOU Qi, FENG Yaqiong
图4 2018年8月18日20:00(a)、19日14:00(b)及20:00(c)、20日02:00(d)700 hPa假相当位温(单位:K)与锋生函数(单位:10-9 K·m-1·s-1),19日20:00(e)和20日02:00(f)假相当位温与锋生函数沿118°E的纬度-高度剖面
(蓝色虚线为假相当位温,红色实线为锋生函数)
Fig.4 The 700 hPa pseudo-equivalent potential temperature (Unit: K) and frontogenesis function (Unit: 10-9 K·m-1·s-1) at 20:00 on 18 (a), 14:00 (b) and 20:00 (c) on 19 and 02:00 on 20 (d), the latitude-height profile of pseudo-equivalent potential temperature and frontogenesis function along 118°E at 20:00 on 19 (e) and 02:00 on 20 (f), August 2018
(The blue dotted line is for pseudo-equivalent potential temperature, the red solid line is for frontogenesis function)