Analysis of a Rainstorm Process Influenced by Distant Typhoon in Central Shanxi Province
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Abstract:
By using the data of routine radiosonde, surface observation, 6 hour 1°×1° reanalysis and FY 2E satellite clouds, an analysis is made of a rainstorm influenced by a distant typhoon happened on 23 July 2010 over the central Shanxi Province. The results show that the role of the landed typhoon is important for this heavy rainfall in the following aspects: the landed typhoon provided a moisture channel, strong positive vorticity advection, convergence at lower levels, and a favorable circulation background for the rainstorm, directly or indirectly affecting the formation and extinction of mesoscale cloud cluster. The surface mesoscale system was the direct influencing system; the low jet is the power sources; and there is good correlation between the area of rainstorm and the area with TBB less than 233 K.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.