To tornado warn or not, using MRMS rotation tracks to help

Storm in Champaign County OH gained supercelluar structure and showed signs of low level rotation on velocity.  However, I kept the warning as a severe warning because MRMS low level rotation tracks never seemed to indicate strong low level rotation (at least as of 2010Z).  I wrote up tornado warning text when area of interest was north of the town of St. Paris but had yet to issue the TOR.  21May2014-2010Z-LowLevelRotationTracks

 

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