• MESO: Mesoscale Discussion 1431

    From COD Weather Processor@1:2320/127 to wx-storm@lists.illinois.edu on Thu Jul 2 00:10:20 2026
    ACUS11 KWNS 020010
    SWOMCD
    SPC MCD 020009=20
    MNZ000-020145-

    Mesoscale Discussion 1431
    NWS Storm Prediction Center Norman OK
    0709 PM CDT Wed Jul 01 2026

    Areas affected...Parts of northern Minnesota

    Concerning...Severe potential...Watch unlikely=20

    Valid 020009Z - 020145Z

    Probability of Watch Issuance...5 percent

    SUMMARY...A couple strong storms may pose a risk of locally damaging
    gusts and marginally severe hail during the next couple hours.

    DISCUSSION...Ahead of a cold front and in the vicinity of
    pre-frontal differential heating zone, isolated thunderstorms are
    developing in northern MN -- aided by an approaching midlevel
    trough. Despite marginal surface-based buoyancy, relatively steep
    deep-layer lapse rates and an elongated/straight hodograph (around
    30-40 kt of effective shear) could promote transient storm
    organization. Locally damaging wind gusts and marginally severe hail
    cannot be ruled out with the stronger cores that evolve during the
    next couple hours.

    ..Weinman/Thompson.. 07/02/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6xq7K8bD0LKWv0p8b1ZQGpnU47hT70TU2r7RvWri7NMeiiVHkKvC4Ma5yZ4hyN6e843irQmiR= uwMopNz4qxv_ftsE2Y$ for graphic product...

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

    LAT...LON 47489267 47299341 47309481 47579555 47779590 48299592
    48779567 49009493 48989426 48769310 48409242 47809227
    47489267=20

    MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH
    MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


    =3D =3D =3D
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    * Origin: Capitol City Weather Station (1:2320/127)