上海雷暴大风时空特征及其预警有效性评估

周伟东, 戴建华, 管理, 傅洁, 陈浩, 王蕊, 吕青

Spatiotemporal characteristics of thunderstorm gales and evaluation of effectiveness of early warning signals in Shanghai

ZHOU Weidong, DAI Jianhua, GUAN Li, FU Jie, CHEN Hao, WANG Rui, LYU Qing

图6 2023年4月15日22:57（a）及2022年7月10日23:12（b）雷达0.5°仰角反射率因子（填色，单位：dBZ）叠加当日22:00—22:59 7级以上极大风（风矢，单位：m·s-1）

Fig.6 The radar reflectivity factor (the color shaded, Unit: dBZ) at 0.5° elevation angle at 22:57 on April 15, 2023 (a) and at 23:12 on July 10, 2022 (b) overlaid with gales of force 7 or above (wind arrows, Unit: m·s-1) between 22:00-22:59 on the same day