• MESO: Mesoscale Discussion 1098

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Fri Jun 25 22:09:48 2021
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    ACUS11 KWNS 252209
    SPC MCD 252209=20

    Mesoscale Discussion 1098
    NWS Storm Prediction Center Norman OK
    0509 PM CDT Fri Jun 25 2021

    Areas affected...Texas Panhandle...northwestern
    Oklahoma...south-central Kansas

    Concerning...Severe Thunderstorm Watch 315...

    Valid 252209Z - 252345Z

    The severe weather threat for Severe Thunderstorm Watch 315

    SUMMARY...Cluster of severe thunderstorms should spread east this
    evening. New severe thunderstorm watch may be warranted.

    DISCUSSION...Scattered strong/severe thunderstorms have evolved over
    the TX Panhandle into northwestern OK within steep low-level lapse
    rate environment. Surface dew points are also holding just ahead of
    this activity despite surface temperatures in the mid-upper 90s.
    Satellite imagery suggests storm-top evacuation is beginning to
    increase over the northeast TX Panhandle, and if clustering
    continues there is a greater propensity for this activity to
    propagate downstream into western/northern OK. Additionally, LLJ is
    expected to strengthen across the southern Plains after sunset and
    this should contribute to forward propagation as well.

    ..Darrow.. 06/25/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!p3oP6l2vaQuG66N-YhUC2nKgX2jB7aerTwjRqYFtZ9HcTEXgg4BK_YfWLLIU-UikebDO_43D$=
    for graphic product...


    LAT...LON 35070193 37279901 36709811 35229957 34520106 35070193=20

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