ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 46 Issue 6 > 2020,46(6):792-800. DOI:10.7519/j.issn.1000-0526.2020.06.006 Prev Next
Characteristics Analysis on the Severe Convective Spiral Rainband of Typhoon Rumbia (2018)
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Abstract:
Based on denselyobserved surface and radar data and NCEP FNL data as well as the best track data from Shanghai Typhoon Institute/CMA, this article examines the structure and evolution of the rainbands of Typhoon Rumbia that caused torrential rain in East China after Rumbia moved far into inland. The results show that the rainbands twice manifested evolutions from multiple short rainbands into a single long rainband respectively around the boundaries between Shandong, Henan and Anhui provinces as well as midsouthern Shandong Province. The maintenance and evolution of the rainbands were determined mainly by the sustaining of typhoon circulation and intensity and its interaction with the stagnation and westward extension of subtropical high. Because of the intensification of lowlevel vertical wind shear, the rainbands displayed apparent convective features with embedded tornadoes in northern Anhui and south Shandong.
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