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  • MESO: Mesoscale Discussion 1318

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Jun 28 06:12:40 2023
    ACUS11 KWNS 280612
    SWOMCD
    SPC MCD 280612=20
    ARZ000-MOZ000-OKZ000-KSZ000-280745-

    Mesoscale Discussion 1318
    NWS Storm Prediction Center Norman OK
    0112 AM CDT Wed Jun 28 2023

    Areas affected...Northeast OK...Extreme Southeast KS...Far Southwest
    MO...Far Northwest AR

    Concerning...Severe Thunderstorm Watch 407...

    Valid 280612Z - 280745Z

    The severe weather threat for Severe Thunderstorm Watch 407
    continues.

    SUMMARY...Damaging gusts are expected to persist as the ongoing
    convective system continues east-southeastward across northeast OK
    and into far southwest MO and northwest AR.

    DISCUSSION...A well-organized mesoscale convective system continues
    to progress east-southeastward across northeast OK and extreme
    southeast KS at 40 to 45 kt. Severe gusts have been measured
    throughout the life of this MCS, including a 55 kt gust at Newkirk
    in northern Kay County OK. Low-level stability will persist
    throughout the downstream air mass, but strong ascent attendant to
    the deep cold pool, combined with ample low-level moisture and steep
    mid-level lapse rates, is expected to sustain the system for the
    next few hours. Stronger buoyancy exists ahead of the southern
    portion of the line, and a trend towards more southeastward motion
    is anticipated. Current storm motion takes the MCS to the edge of
    Severe Thunderstorm Watch 407 around 0730Z, and another watch will
    likely be needed downstream across portions of far southwest MO and
    northwest AR to cover the anticipated severe threat later tonight.

    ..Mosier/Thompson.. 06/28/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!40FGMJa1xmrnTJHWOmsEz_vTSMfOIkRKRrBxewsrOJL0T3rjDWxL6mJ1Jf37D6FpZj4Nhokqe= K_4ys3vVzymZCj6MAo$ for graphic product...

    ATTN...WFO...SGF...TSA...ICT...

    LAT...LON 37189627 37279527 36899395 36429330 35489409 36199671
    37189627=20


    =3D =3D =3D
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