SEVERE WEATHER CHANNEL LIVE STREAM - U.S. Weather Live Radar - Southeast Storms

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  • Published: 14 January 2020
  • SEVERE WEATHER CHANNEL LIVE STREAM - U.S. Weather Live Radar - Southeast Storms

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    ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
    THE OHIO AND TENNESSEE VALLEYS...

    ...SUMMARY...
    Marginally severe thunderstorms with hail and strong wind gusts will
    be possible across parts of the Ohio and Tennessee Valleys Wednesday
    afternoon and evening.

    ...Tennessee and Ohio Valleys...
    An upper-level trough and associated 90 to 110 kt mid-level jet will
    move eastward across the north-central U.S. on Wednesday. At the
    surface, a cold front will move quickly east-southeastward across
    the mid Mississippi Valley. Ahead of the front, a moist airmass will
    be in place with dewpoints in the lower 60s F in most of Tennessee
    and Kentucky. As surface temperatures warm in the early afternoon,
    scattered thunderstorms appear likely to develop ahead of the front.
    A line of storms may also develop along the front as well. Forecast
    soundings at 21Z on Wednesday ahead of the front from Nashville
    northeastward into southeast Kentucky show MUCAPE values from 500 to
    1000 J/kg with 0-6 km shear of 55 to 65 kt. This should be
    sufficient for an isolated severe threat with mixed convective mode.
    Hail and a few damaging wind gusts can be expected, but the threat
    should remain marginal due to relatively poor lapse rates. The
    threat should diminish by early evening due to weakening
    instability.
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