| “晴天暴”的物理成因及预报 |
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| 引用本文： | 曹美兰,项素清.“晴天暴”的物理成因及预报[J].气象,2002,28(5):22-26. |
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| 作者姓名： | 曹美兰 项素清 |
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| 作者单位： | 浙江省舟山市气象台,316004 |
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| 摘 要： | “晴天暴”是冬季沿海地区危害极大的突发性大风，往往造成重大的海损事故。根据大气环流特征，对“晴天暴”的物理成因进行了分析，发现“晴天暴”是斜压大气能量转换、西北急流活动及动量下传等因素共同作用的结果。在此基础上，提出了“晴天暴”的预报思路。
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| 关 键 词： | 物理成因 预报 晴天暴 能量转换 西北急流 动量下传 大风过程 |
Physical Causation and Forecast of Strong Clear-air Turbulence |
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| Cao Meilan\ Xiang Suqing.Physical Causation and Forecast of Strong Clear-air Turbulence[J].Meteorological Monthly,2002,28(5):22-26. |
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| Authors: | Cao Meilan\ Xiang Suqing |
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| Abstract: | The strong clear air turbulence is the outburst gale which takes place at the seashore area in winter and often causes the disastrous nautical accidents.The physical causation and forecast of the strong clear air turbulence according to atmospheric circulation characters are discussed.It comes to the conclusion that the strong clear air turbulence is caused by the energy transition of the baroclinic atmosphere,the activity of northwest jet and the momentum downward transfer.On the basis of these analyses,the forecast idea and method of the strong clear air turbulence,are brought forward. |
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| Keywords: | strong clear air turbulence\ energy transition\ northwest jet\ momentum downward transfer\ forecast idea and method |
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