京津冀“7·5”强对流天气形成的环境条件及中尺度特征
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许敏 1,2( ), 沈芳 2, 刘璇 3, 刘艳杰 2, 张湘涵 2
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Environmental conditions and mesoscale characteristics of severe convective weather in Beijing-Tianjin-Hebei on 5 July 2021
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XU Min 1,2( ), SHEN Fang 2, LIU Xuan 3, LIU Yanjie 2, ZHANG Xianghan 2
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图8. 2021年7月5日14:00(a)、15:00(b)、19:00(c)、20:00(d)地面1 h变温(彩色填色区,单位:℃)和风向(箭头) (棕色实线为地面辐合线,字母D为地面辐合中心)
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Fig.8. Hourly variation of surface temperature (color shaded areas, Unit: ℃) and direction of the wind (arrows) at 14:00 BST (a), 15:00 BST (b), 19:00 BST (c) and 20:00 BST (d) on 5 July 2021 (The brown solid lines are the ground convergence lines, letter D is the ground convergence center)
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