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2 2018年8月17日20:00(a)、18日20:00(b)、19日08:00(c)及20:00(d)环流形势场
(蓝色实线为500 hPa高度场,单位:dagpm;红色虚线为500 hPa温度场,单位:℃; 风矢为850 hPa风场,单位:m·s-1;暗红实线为槽线;实心红箭头为低空急流;空心红箭头为高空出流;绿色填色区风速≥30 m·s-1
Fig.2 Circulation situation at 20:00 on 17 (a), 20:00 on 18 (b), 08:00 (c) and 20:00 (d) on 19, August 2018
(The blue solid lines indicate 500 hPa potential height, Unit: dagpm; the red dashed lines indicate 500 hPa temperature field, Unit: ℃; the wind vectors indicate 850 hPa wind field, Unit: m·s-1; the dark red solid lines indicate trough lines; the solid red arrows indicate low-level jet; the hollow red arrows indicate high-level outflow; the green shaded areas indicate wind speed more than or equal to 30 m·s-1