It is pointed out that the rainstorm center is under the wind shear, above which convergence center and the maximum positive vorticity exist.
指出暴雨中心位于风速切变的下方，同时上空也伴随辐合中心，以及正涡度极大值。
The results show that typhoon rainstorm has relation to the dissymmetry of typhoon circulation fields and heat fields, but does not always close to the center of circulation.
研究结果表明，台风暴雨与台风环流场、热力场的不对称有关，并不一定总是集中在环流中心附近。
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