“杜苏芮”台风过程中莆田市特大暴雨阶段性和强度特征
黄丽娜, 陈艳真, 陈宇航, 李忆平, 杨明灿, 陈诗琳

Characteristics of stages and intensity of a severe torrential rainfall in Putian City during Typhoon “Doksuri”
HUANG Lina, CHEN Yanzhen, CHEN Yuhang, LI Yiping, YANG Mingcan, CHEN Shilin
图6 2023年7月28日08:00—29日02:00不同时刻500 hPa位势高度场(蓝线,单位:gpm)和850 hPa风场(风矢,单位:m·s-1
(棕色粗线为台风切变线,黑色等腰三角形顶角位置指向莆田市)
Fig.6 The 500 hPa geopotential height field (blue lines, Unit: gpm) and 850 hPa wind field (wind vectors, Unit: m·s-1) at different times from 08:00 on July 28 to 02:00 on July 29, 2023
(The brown thick line is the typhoon shear line, and the top vertex of the black isosceles triangle points toward Putian City)