• MESO: Mesoscale Discussion 1288

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Wednesday, June 24, 2026 04:06:09
    ACUS11 KWNS 240406
    SWOMCD
    SPC MCD 240405=20
    KSZ000-NEZ000-COZ000-240500-

    Mesoscale Discussion 1288
    NWS Storm Prediction Center Norman OK
    1105 PM CDT Tue Jun 23 2026

    Areas affected...portions of far southwestern Nebraska into western
    Kansas

    Concerning...Severe potential...Watch possible=20

    Valid 240405Z - 240500Z

    Probability of Watch Issuance...60 percent

    SUMMARY...The severe threat may increase through the late evening,
    with severe wind/hail becoming more widespread through tonight east
    of Severe Thunderstorm Watch 385. A WW issuance may be needed
    pending favorable trends in storm intensification.

    DISCUSSION...Multicells/transient supercells have developed along
    the CO/NE border, at the terminus of an intensifying low-level jet.
    These storms are poised to track southeastward amid 2500+ J/kg
    MUCAPE and 60 kts of effective bulk shear. As such, any storms that
    can become sustained may pose a severe hail threat, a few stones of
    which could exceed 2 inches in diameter. Isolated to potentially
    scattered severe gusts are also possible, especially if an MCS
    begins to materialize sooner than expected. If storms continue to
    increase in coverage and intensity, a Severe Thunderstorm Watch may
    be needed.

    ..Squitieri/Smith.. 06/24/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7v0tC7A9jFbhCdKZsISi2x_6wGoXCbB_HEKTCnvU5Rpd7RliuD8Cq3d7-21oEQ4dYkvN70aIZ= 6bYLpKLEAW3HBrvdP8$ for graphic product...

    ATTN...WFO...LBF...DDC...GLD...BOU...CYS...

    LAT...LON 40380272 40460277 40740284 41010272 41220249 41280198
    41200154 39810036 38650023 37870030 37400060 37160132
    37240161 38330201 39550202 40380272=20

    MOST PROBABLE PEAK WIND GUST...65-80 MPH
    MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN


    =3D =3D =3D
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