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气象:2005,31(7):24-27
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广州市37℃以上酷热天气形势及相关要素分析
(广州中心气象台,510080)
Analysis of Synoptic Characteristic and Element Related to Torrid Weather of 37℃ or More in Guangzhou
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中文摘要: 对1951年以来广州市出现的37℃以上的酷热天气的形势特征和广州气象要素进行分析,发现这类天气多发生在地面气压场西北高东南低的形势之下,与副热带高压和热带气旋活动关系密切,二者的共同作用使广州附近多数情况下出现下沉气流。结果还表明,广州地面和低空吹偏北气流更易出现酷热天气,酷热天气还与前期的气温和降水等要素关系密切。
Abstract:Synoptic characteristics and meteorological elements related to torrid weather of 37℃ or more in Guangzhou since 1951 are analyzed. It is found that the torrid weather usually occur in such situation with a ridge to the northwest of Guangzhou and a trough to the southeast of it and closely related to subtropical high and tropical cyclones. As the result of the influence of those two systems, subsidence is found around Guangzhou in most cases. It is also shown that northerly winds at surface and lower level are of aid to torrid weather. Furthermore, the temperature and precipitation in the preceding one or two days are involved in torrid weather.
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基金项目:广州中心气象台科研基金资助。
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引用文本:
黄忠,熊亚丽,林良勋,2005.广州市37℃以上酷热天气形势及相关要素分析[J].气象,31(7):24-27.
,2005.Analysis of Synoptic Characteristic and Element Related to Torrid Weather of 37℃ or More in Guangzhou[J].Meteor Mon,31(7):24-27.