华南“4.21”弓状回波的γ⁃中尺度涡旋雷达观测分析
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居圆圆, 徐昕, 唐滢
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Radar observation analysis of meso⁃γ⁃scale vortices in bow echo on 21 April in South China
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Yuanyuan Ju, Xin Xu, Ying Tang
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表1 系统识别的中涡旋特征
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Table 1 Features of system?identified MVs
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| 序号 | 经度(°E) | 纬度(°N) | 方位切变(10-3 s-1) | 持续时长(min) | 初次识别时间 (UTC) | 相对弓状回波 顶点的位置 |
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| 1 | 111.89 | 22.98 | 5.46 | 18 | 3:24 | M | | 2 | 111.95 | 23.23 | 2.89 | 24 | 3:36 | M | | 3 | 112.59 | 23.69 | 3.06 | 30 | 3:48 | N | | 4 | 112.89 | 23.68 | 3.23 | 18 | 4:24 | N | | 5 | 112.88 | 23.57 | 2.64 | 18 | 4:24 | N | | 6 | 112.98 | 23.60 | 3.02 | 18 | 4:36 | N | | 7 | 113.21 | 23.61 | 5.46 | 24 | 4:54 | N | | 8 | 112.72 | 23.02 | 3.1 | 24 | 4:54 | M | | 9 | 113.34 | 23.59 | 3.53 | 30 | 5:18 | N | | 10 | 113.34 | 23.56 | 3.0 | 18 | 5:18 | N | | 11 | 113.09 | 23.04 | 2.92 | 18 | 5:30 | M | | 12 | 113.06 | 22.54 | 2.48 | 18 | 5:54 | S | | 13 | 113.67 | 23.04 | 3.83 | 18 | 6:18 | M | | 14 | 113.58 | 23.05 | 2.62 | 24 | 6:24 | M | | 15 | 113.06 | 22.34 | 2.5 | 18 | 6:30 | S | | 16 | 113.23 | 22.25 | 2.61 | 18 | 6:48 | S | | 17 | 113.43 | 22.29 | 2.69 | 48 | 7:00 | S | | 18 | 113.48 | 22.36 | 2.52 | 18 | 7:00 | S | | 19 | 113.1 | 22.11 | 2.51 | 18 | 7:00 | S | | 20 | 113.54 | 22.54 | 3.43 | 30 | 7:06 | S |
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