ISSN 1000-0526
CN 11-2282/P
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Archive > Volume 34 Issue 1 > 2008,34(1):48-53. DOI:10.7519/j.issn.1000-0526.2008.01.007 Prev Next

A Comparative Analysis of Two Strong Convective Weather in Hexi Corridor

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    Abstract:
    By using the NCEP reanalysed data，the conventional observation data and Doppler radar data of the synoptic and mesoscale characteristics of t wo strong convective weather in Hexi Corridor are analyzed. The results show tha t they are differ greatly from each other on the circulation and mesoscale syste m. A rightmoving squallline(cyclone) led to the hail on 7 July 2006. In cont rast, a stong leftmoving (anticyclone) supercell brought on the hail on 10 Aug ust 2006. The value of stormrelative helicity(SRH) for rightmoving squalll ine is positive in the 0-3km layer, while the value of stormrelative helicity (SRH) for leftmoving supercell is negative during development.

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