• MESO: Mesoscale Discussion 0756

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed May 26 23:48:39 2021
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    ACUS11 KWNS 262348
    SPC MCD 262348=20

    Mesoscale Discussion 0756
    NWS Storm Prediction Center Norman OK
    0648 PM CDT Wed May 26 2021

    Areas affected...Parts of the Nebraska Panhandle

    Concerning...Severe Thunderstorm Watch 207...

    Valid 262348Z - 270115Z

    The severe weather threat for Severe Thunderstorm Watch 207

    SUMMARY...Strong to severe thunderstorm development remains possible
    northwest through west of Alliance, NE through around 7-8 PM MDT,
    before beginning to diminish. A new severe weather watch probably
    will not be needed, but trends will continue to be monitored.

    DISCUSSION...Moderate to strong boundary-layer instability remains
    largely confined to a narrow corridor of stronger daytime heating,
    within surface troughing to the lee of the Laramie Mountains into
    western portions of the Nebraska Panhandle. As a significant short
    wave trough continues to progress across and east of the northern
    Rockies into this evening, this environment could still support
    additional strong/severe storm development, including a supercell or
    two, another couple of hours. However, toward 01-03Z, the southward progression of a surface cold front, coupled with diurnal
    boundary-layer cooling probably will result in the onset of
    diminishing convective trends.

    ..Kerr.. 05/26/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!u0LHfzAyMyvAtphj7whSzbfINt0n8uSzDWWYHKd572_CPvgO2z0-eS8RT79lfjBGFqVyKYzH$=
    for graphic product...


    LAT...LON 42990299 42550221 42040210 41650287 41590398 41650458
    42310407 43000404 42990299=20

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