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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (5): 1473-1482    DOI: 10.7522/j.issn.1000-694X.2013.00213
Weather and Climate     
Comprehensive Analysis on a Black Storm Event Caused by Mongolian Cyclone in 2011
Dele Gerima1,2, CAO Jie1, LI Yi-ping2, SI Qin2, YING Chun3
1.Nanjing University of Information Science & Technology, Nanjing 210044, China;
2.Inner Mongolia Meteorological Observatory, Hohhot 010051, China;
3.Meteorological Bureau of Xilin Gol League, Xilinhot 026000, Inner Mongolia, China
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Abstract  

The development process of a black storm occurred over the northern part of Xilin Gol League on May 11, 2011 was analyzed via upper air and surface observation data, T639 initialized physical field data as well as forecast data of future 12 hours, and PM10, NEP, and VIS of sandstorm apparatus data. (1) The mixed layer with a high extension height and the super-adiabatic layer below 700 hPa made great contributions to the development of the severe sandstorm; (2) The good mosaic of the upper level jet sinking to 700 hPa and the mixed layer below 700 hPa was favorable to the downward transportation of upper air momentum; (3) The suitable mosaic of upper level jet and the surface cyclone became advantages for the further development of cyclone and a long life of the severe sandstorm; (4) The characteristics during the developing period of sandstorms could be performed perfectly via the variations of surface weather elements as well as the micro-weather elements detected by apparatus; (5) The characteristics of severe sandstorms could also be revealed by the variations of surface weather elements, micro-weather elements and several physical fields.

Key words:  black storm      upper level jet      mixed layer      downward momentum transportation      gale      Xilin Gol     
Received:  15 June 2012      Published:  02 July 2012
ZTFLH:  P425.55  

Cite this article: 

Dele Gerima1,2, CAO Jie1, LI Yi-ping2, SI Qin2, YING Chun3. Comprehensive Analysis on a Black Storm Event Caused by Mongolian Cyclone in 2011. JOURNAL OF DESERT RESEARCH, 2013, 33(5): 1473-1482.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00213     OR     http://www.desert.ac.cn/EN/Y2013/V33/I5/1473

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