风暴相对螺旋度用于预报时计算的难点在于确定预报风暴移动速度。

It is difficult for the application of relative storm helicity in predicting storms for the uncertainty of storm velocity.

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本文首先探讨了由多普勒天气雷达提供的垂直风廓线产品(VWP)计算风暴相对螺旋度(SRH)的方法和步骤。

A method and steps of calculating storm relative helicity (SRH) according to the Doppler radar vertical wind profile (VWP) products are discussed firstly in this paper.

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