Further Analyses of Causes of Duststorm Explosions in Jinchang on 5 May, 1993

  • Minhong SONG ,
  • Zheng’an QIAN ,
  • Ying CAI
Expand
  • <sup>1.</sup>School of Atmospheric Sciences,Chengdu University of Information Technology / Plateau Atmosphere and Environment Key Laboratory of Sichuan Province,Chengdu 610225,Sichuan,China;<sup>2.</sup>Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences,Lanzhou 730000,Gansu,China

Received date: 2020-02-17

  Online published: 2020-10-28

Abstract

To better know and understand the Jinchang duststorm case and other related ones worldside, the paper further analyzes and discusses these related duststorm processes, fully utilizing the satellite images, surface pressure curves, etc.The main conclusions are as follows: (1) Under the weather situation of cold front invasion from Northwest track, the duststorm was, firstly, induced by the Jinchang squall line in the front of the cold front; then about 40 minutes later the cold front in the rear catch speedy with the squall line and the storm strengthens again.Namely the duststorm is caused by both the dry squall line and cold front, and has never seen in Jinchang, China before.(2) Before the squall line forms there is occurring the signals such as strong thermal unstable and surface pressure falling rate.After squall line forms, there is occurring the features as the pressure rise peak, strong down drought in the near surface and narrow- and white-bright cumulus cold belt as well.Shortly, the squall line forms, induces the duststorm in Jinchang, and is reasonable also.(3) It seemly that the squall line can occur under any dry and wet arrangements.Certainly, the water vapor condition has partly impact of for strengthening (weakening) the squall lines in semidry-and wet-(dry-) arrangement.

Cite this article

Minhong SONG , Zheng’an QIAN , Ying CAI . Further Analyses of Causes of Duststorm Explosions in Jinchang on 5 May, 1993[J]. Plateau Meteorology, 2020 , 39(5) : 1102 -1109 . DOI: 10.7522/j.issn.1000-0534.2020.00030

References

[1]Brazel A J, Nicking W C, 1986.The relationship of weather types to dust storm generation in Arizona[J].Journal of Climatology, 6(3): 255-275.
[2]Idso S B, Ingranm R S, Pritchard J M, 1972.An American Haboob[J].Bulletin of the American Meteorological Society, 53(10): 930-935.
[3]Johnson P H, Hamitton P J, 1985.The relationship of surface pressure feature to the precipitation and airflow structure of an intense midlatitude squall line[J].Monthly Weather Review, 116: 1444-1472.
[4]Lawson T J, 1971.Haboob structure at Khatoum[J].Weather, 26: 105-112.
[5]Middleton N J, 1986.A geography of dust storms in Southwest Asia[J].Journal of Climatology, 6(2): 183-196.DOI: 10.1002/joc.3370060207.
[6]Qian W H, Quan L S, Shi S Y, 2002.Variations of the dust storm in China and its climate control[J].Journal of Climate, 15(10): 1216-1229.
[7]Takemi T, 1999.Structure and evolution of a severe squall line over the arid region in Northwest China[J].Monthly Weather Review, 127(6): 1301-1309.
[8]Takemi T, Satomara T, 2000.Numerical experiments on the mechanisms for the development and maintenance of long lived squall line in dry environment[J].Journal of the Atmospheric Sciences, 57(6): 1718-1740.
[9]方宗义, 朱福康, 江吉喜, 等, 1997.中国沙尘暴研究[M].北京: 气象出版社, 1-158.
[10]胡隐樵, 光田宁, 1996.强沙尘暴发展与干飑线-黑风暴形成的一个机理分析[J].高原气象, 15(2): 178-185.
[11]胡隐樵, 左洪超, 2003.绿洲环境形成机制和干旱区生态环境建设对策[J].高原气象, 22(6): 537-544.
[12]江吉喜, 项续康, 王子昂, 等, 1996.以卫星资料为主的强沙尘暴超短期预报方法初探[M]//方宗义主编, 中国沙尘暴研究.北京: 气象出版社, 44-51.
[13]姜学恭, 云静波, 2014.三类沙尘暴过程环流特征和动力结构对比分析[J].高原气象, 33(1): 241-251.DOI: 10.7522/j.issn. 1000-0534-2012.00172.
[14]李维京, 1985.关于5、 6月东亚大暴雨与北美强风暴天气气候背景的对比研究[J].高原气象, 4(): 65-76.
[15]李祥余, 何清, 黄少鹏, 2009.南疆一次强沙尘暴前后塔中站近地面各气象要素的变化特征[J].高原气象, 28(3): 652-662.
[16]李雪, 刘晓东, 2015.中国北方春季沙尘暴活动与高空西风急流变化的克联系[J].高原气象, 34(5): 1292-1300.DOI: 10.7522/j.issn.1000-0534-2014.00067.
[17]刘景涛, 钱正安, 姜学恭, 等, 2004.中国北方特强沙尘暴的天气系统分型研究[J].高原气象, 23(4): 540-547.
[18]钱正安, 蔡英, 刘景涛, 等, 2006.中蒙地区沙尘暴研究的若干进展[J].地球物理学报, 49(1): 83-92.
[19]钱正安, 胡隐樵, 龚乃虎, 等, 1997a.“93.5.5”特强沙尘暴的调查报告及其分析[M].方宗义等编《中国沙尘暴研究》, 北京: 气象出版社, 75-81.
[20]钱正安, 焦彦军, 1997b.中、 美和苏丹强沙尘暴的对比分析[J].甘肃气象, 15(1): 1-10.
[21]邵亚平, 2004.沙尘暴的数值预报[J].气候与环境研究, 9(1): 127-138.
[22]石广玉, 赵思雄, 2003.沙尘暴研究中的若干问题[J].大气科学, 27(4): 591-608.
[23]宋敏红, 钱正安, 蔡英, 等, 2007.中蒙强、 弱沙尘暴年春季平均环流及沙尘活动变化分析[J].气象学报, 65(1): 94-104.
[24]王根绪, 程国栋, 2002.干旱区内陆河流域生态需水量及其估算-以黑河为例[J].中国沙漠, 22(2): 129-134.
[25]王式功, 董光荣, 陈惠忠, 等, 2000.沙尘暴研究进展[J].中国沙漠, 20(4): 350-356.
[26]王亚君, 叶渝汉, 1990.“1989.8.13”飑线的分析[J].气象, 16(9): 27-30.
[27]项续康, 江吉喜, 1996.西北地区强沙尘暴成因的中尺度分析[J].高原气象, 15(4): 448-455.
[28]徐国昌, 陈敏连, 吴国雄, 1979.甘肃省“4.22”特大沙暴分析[J].气象学报, (4): 26-35.
[29]徐国昌, 1993.“1993·5·5”金昌黑风分析[C]//1993年兰州沙尘暴学术会议, 1993年9月.
[30]徐国昌, 2008.强沙尘暴天气过程中的若干问题思考[J].干旱气象, 26(2): 9-11.
[31]许宝玉, 钱正安, 焦彦军, 1997.西北地区五次特强沙尘暴前期形势和要素场的综合分析与预报[M].方宗义等编《中国沙尘暴研究》, 北京: 气象出版社, 37-43.
[32]张强, 郭铌, 2011.沙尘暴-形成机理及监测预报和影响评估技术研究[M].北京: 气象出版社, 1-257.
[33]张小玲, 宋敏红, 钱正安, 等, 2006.2006年春季中蒙中、 东区沙尘暴低层环流及变化初步分析[J].高原气象, 25(): 77-84.
Outlines

/