冷涡背景下天津夏季三次不同强度极端短时强降水物理量特征对比分析

靳振华, 卜清军, 黄安宁

Comparative analysis of physical quantity characteristic of three extreme short-term heavy rainfalls with different intensities under cold vortex background during summer in Tianjin

JIN Zhenhua, BU Qingjun, HUANG Anning

图3 2022年天津3次极端短时强降水过程发生前200、500、700、850 hPa环流形势 （黑色圆圈表示冷涡环流，字母A、B、C、D表示冷涡中心；风矢，单位：m·s-1；紫色实线表示槽线，红色线包围区域表示天津地区）

Fig.3 The circulation situation at 200 hPa, 500 hPa, 700 hPa, and 850 hPa before the occurrence of three extreme short-term heavy rainfall processes in Tianjin in 2022 (The black circle represents the cold vortex circulation, the letters A, B, C and D represent the centers of the cold vortex; wind vectors, Unit: m·s-1; the purple solid line represents trough lines, the area surrounded by the red line indicates the Tianjin area)