J4 ›› 2005, Vol. 23 ›› Issue (2): 24-29.
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JIA Hong-yuan, MU Jian-hua, KONG Wei-na
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贾宏元,穆建华,孔维娜
作者简介:
基金资助:
宁夏科技攻关项目‘我区天气异常与突变规律的诊断及监测预警技术”," 713c天气雷达在宁夏大面积定量测量降水中的应用研究”共同资助
Abstract:
Based On TOlltlne OhSPTVatlOnB} (later, SPVPTal }lhyS1C8} paCanleteTS CalClllated LISlng the pTlnClple Of meteOTOlOgy and atmOSpheT1C dynaInlCS, aS Well aS FY-2 (hglt8.} Satellite lmage and dlgltal DO}l}l1PT TadaC (later, the CaLISe and meChamSm Of a TeglOnal heavy t0 tOTTPnt18.} Taln pTOCPSS In t}lngXla OCCLITTed On f}LIgLISt 19, 2004 WPTe analyzed In detall. The S}1at18.} and tempOTal characteristics of the vapour, dynamic and thermodynamic conditions and their importance were discussed. Results show that the rainstorm occurred under the condition of the large一、tale circulation system, as a result of multi一、CB.}e Weather SyStemS 1nteTaetlng and Standlng In a Slntahle SltllatlOn, and meSO-SCale SyStemS play an lmpOrtant role In the lOCal Ta1nStOTmS.
Key words: rainstorms, diagnosis, mesoscale analysis
摘要:
利用高空实测资料,采用天气学与动力学方法计算高空大气的物理量参数,结合FY-2数字化云图及多普勒数字化雷达资料,对2004年8月19日发生在宁夏一次区域性大到暴雨过程进行了较细致地分析研究,探讨了宁夏大降水过程中水汽条件、动力条件、热力条件等因子时空分布特征及其重要作用,并指出了本次强降水是在有利的大尺度环流背景下,由多种尺度的系统相互作用及恰当配置的结果,中尺度系统对局地暴雨的形成扮演了重要角色。
关键词: 暴雨, 诊断, 中尺度分析
CLC Number:
P458.1
GU Hong-Yuan, MU Jian-Hua, KONG Wei-Na. Diagnosis Analysis of a Regional Heavy to Torrential Rain Process in Ningxia in 2004[J]. J4, 2005, 23(2): 24-29.
贾宏元, 穆建华, 孔维娜. 2004年宁夏一次区域性大到暴雨的诊断分析[J]. J4, 2005, 23(2): 24-29.
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