CAJ | 학술논문

文章对发生在芜湖县的一次强对流天气进行了天气学分析、中尺度分析以及雷达图特征分析,确认此次雹暴天气由单个超级单体造成,并得出结论:此次过程天气背景为东北低涡和高空低槽;具有高低空急流、前倾槽、高空辐散低空辐合、上干下湿等不稳定环境条件;中尺度低层切变线和干线是触发强对流的主要影响系统,强垂直风切变、CAPE 值、0℃层高度等因子有利于冰雹的产生;强对流在雷达图上表现了高 VIL、高回波顶、中气旋以及悬垂回波、弱三体散射等明显的雹暴特征.
문장대발생재무호현적일차강대류천기진행료천기학분석、중척도분석이급뢰체도특정분석,학인차차박폭천기유단개초급단체조성,병득출결론:차차과정천기배경위동북저와화고공저조;구유고저공급류、전경조、고공복산저공복합、상간하습등불은정배경조건;중척도저층절변선화간선시촉발강대류적주요영향계통,강수직풍절변、CAPE 치、0℃층고도등인자유리우빙박적산생;강대류재뢰체도상표현료고 VIL、고회파정、중기선이급현수회파、약삼체산사등명현적박폭특정.
Thisarticlediscussesasevereconvective weatheroccurredin Wuhufrom thefollowing analysisofsynopticmeteorology,mesoscaleandradarfeatures.Itisacertaintythatthehailstormis causedbysinglesupercellstorm.Theconclusionsshowthatthebackgroundofthisweatherprocessis northeastvortex andtrough,which possess unstable environmentalconditions of upperlow jet stream,forwardtiltingtrough,upperdivergenceandlowerconvergence,upperlayerdryandlowerlayerwet;mesoscaleshearlineanddrylinearethetriggertothesevereconvectiveweather,andthe factorsofstrongverticalwindsheer,CAPEvalueandtheheightof0℃layerareallconducivetothe hail;severeconvective weatherexpressesintheradarchart withfeaturesofhigh VIL(vertically integratedliquid),highechotops,mesocyclone,echopendencyandweakthreebodyscatteringetc.