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Archive > Volume 33 Issue 8 > 2007,33(8):23-28. DOI:10.7519/j.issn.1000-0526.2007.08.004 Prev Next

An Analysis of a Tornado in Yongzhou, Hunan Province

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    Abstract:
    The severe wind which took place in the morning of April 10, 2006 in Lij iaping town, Shuangpai County, Hunan Province was analyzed based on the postdi saster inspection data, conventional weather data and Yongzhou Doppler radar dat a. It shows that the severe wind was the first confirmed tornado in Yongzhou Cit y in normal meteorological records. It was a supercell tornado, and had classica l tornado hook characteristics in the radar base reflectivity. The strong vertic al wind shear and thermodynamic instability resulted in a mesocyclone in the s upercell. The convergence of on low and middlelevel atmosphere in the mesocycl one resulted in the tornado finally.

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