For those in East Tennessee and far North Georgia and NE Alabama...this is what's concerning, the increasing confidence and possible strong tornado:
...Ohio/Tennessee Valleys... Confidence is increasing in warm sector moisture return that will become supportive of weak to moderate CAPE, within at least a narrow pre-frontal plume overspreading the region from west to east Wednesday afternoon and evening. Aided by forcing within the exit region of a 70-90 kt cyclonic 500 mb jet, and strengthening of southerly 850 mb flow to 30-50 kt within the warm sector, the environment is expected to become conducive to discrete supercell storm development, at least initially. This is expected to be accompanied by a risk for large hail and a few tornadoes, some of which could be strong. Eventually, large-scale forcing may support upscale growing lines or clusters of storms accompanied by a more substantive risk for damaging wind gusts.
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