• MESO: Mesoscale Discussion 1335

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Jul 24 00:45:06 2021
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    ACUS11 KWNS 240045
    SWOMCD
    SPC MCD 240044=20
    MNZ000-WIZ000-240245-

    Mesoscale Discussion 1335
    NWS Storm Prediction Center Norman OK
    0744 PM CDT Fri Jul 23 2021

    Areas affected...northern Minnesota

    Concerning...Severe Thunderstorm Watch 387...

    Valid 240044Z - 240245Z

    The severe weather threat for Severe Thunderstorm Watch 387
    continues.

    SUMMARY...A few reports of severe hail and wind remain possible into
    the Arrowhead of Minnesota.

    DISCUSSION...Strong to severe cells currently extend from Cass
    County to Lake County MN, the latter being the largest storm with a
    relatively fast southeastward motion and possible wind threat. Other
    cells to the west may contain marginally severe hail.

    Southwesterly low-level winds of 25kt as seen on 00Z MPX sounding
    will maintain theta-e advection ahead of these storms, and further
    congealing of convection is possible. Storms may persist for several
    hours given further height falls this evening. Although CIN will
    gradually increase with time, new development along outflows or
    southwestern flanks of the existing storms is possible in the near
    term as the air mass remains relatively uncapped.

    ..Jewell.. 07/24/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!q-stG6G3F5cUjlEpXQZQwUBbaE1LUhPBgVshpMaUphvON6PkbyMw1u2VQv2IqRqobPdxjOBv$=
    for graphic product...

    ATTN...WFO...DLH...

    LAT...LON 46689199 46479372 46639427 46959453 47189432 47249356
    47689263 48059135 47999061 47659037 47189117 46689199=20



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