山西省雷暴大风的统计特征及概念模型
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李强, 苗爱梅, 王洪霞, 张丽梅
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Statistical characteristics and conceptual models of thunderstorm gales in Shanxi Province
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LI Qiang, MIAO Aimei, WANG Hongxia, ZHANG Limei
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表3 后倾槽型雷暴大风特征物理量阈值
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Tab.3 The thresholds of characteristic physical quantities of backward-tilting trough thunderstorm gales
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| 月份 | 特征物理量 | | K指数/℃ | Si指数/℃ | CAPE/（J·kg-1） | T850-T500/℃ | T-Td/℃ | | 无冰雹 | 有冰雹 | 无冰雹 | 有冰雹 | 无冰雹 | 有冰雹 | 无冰雹 | 有冰雹 | 500 hPa | 700 hPa | 850 hPa无冰雹 | 850 hPa有冰雹 | | 4—5 | 10 | 18 | 7 | 2 | 3 | 31 | 33 | 35 | 12 | 24 | 20 | 14 | | 6 | 24 | 26 | 3 | 0 | 0 | 200 | 21 | 23 | 41 | 14 | 10 | 8 | | 7—8 | 30 | 35 | 1 | -1 | 0 | 586 | 24 | 28 | 16 | 10 | 12 | 4 | | 月份 | 特征物理量 | | 云顶亮温/K | 组合反射率因子/dBZ | 0 ℃层高度/km | -20 ℃层高度/km | | | | | | 无冰雹 | 有冰雹 | | 无冰雹 | 有冰雹 | | 无冰雹 | 有冰雹 | | | | | | | 4—5 | 235 | 40 | 45 | 3.7 | 2.0 | 6.4 | 4.5 | | | | | | 6 | 230 | 40 | 45 | 4.2 | 4.0 | 7.2 | 6.9 | | | | | | 7—8 | 220 | 40 | 50 | 4.8 | 4.7 | 8.0 | 7.9 | | | | |
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