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气象:2001,27(10):33-37
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夏季雷暴云雷达回波特征分析
(1.江西省人工影响天气办公室,南昌 330046;2.江西省气象台)
Analysis of Thunderstorm Cloud Echo in Summer
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中文摘要: 根据南昌713雷达2000年6~7月取获的雷暴云回波资料,结合雷电灾害实况,对夏季雷暴云回波特征、天气形势及大气稳定度进行初步分析。结果表明,强雷暴云回波特征为:最大顶高达17~18km ,最大强度达55dBz;大多数强雷暴云回波的强度为40~45dBz ,主要产生在水平尺度大于30km的雷暴团和雷暴短带上。强雷电与强降水、雷雨大风、冰雹等强对流天气一样,与地形有关,而且均来自强烈发展的雷暴。
Abstract:Based on the data of thunderstorm cloud echo obtained by 713 radar from June to July,2000,the characteristic of thunderstorm,weather situation and the a tmospheric stability are analysed.Results show that the echo top reaches 17-18km,the maximum reflectivity is 55dBz and the maximum reflectivity for most of the thunderstorm is 40-45dBz,which mainly form on the thunderstorm cloud cluster-thunderstorm short zone of level scale>30km.Like the severe weather such as hea vy precipitation,the strong wind with thunder rain and hail,the strong thunderst orm is related on the topography and from the inside of strongly developed thund erstorm.
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引用文本:
李玉林,杨梅,李玉芳,2001.夏季雷暴云雷达回波特征分析[J].气象,27(10):33-37.
,2001.Analysis of Thunderstorm Cloud Echo in Summer[J].Meteor Mon,27(10):33-37.