• MESO: Mesoscale Discussion 0433

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Wed Apr 15 00:29:00 2026
    ACUS11 KWNS 150028
    SWOMCD
    SPC MCD 150028=20
    IAZ000-MOZ000-KSZ000-NEZ000-150230-

    Mesoscale Discussion 0433
    NWS Storm Prediction Center Norman OK
    0728 PM CDT Tue Apr 14 2026

    Areas affected...Northern Kansas...Southeast Nebraska...Northwest Missouri...Southern Iowa

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

    Valid 150028Z - 150230Z

    Probability of Watch Issuance...60 percent

    SUMMARY...Scattered thunderstorm development is expected to occur
    along a cold front sagging into parts of NE/KS/IA/MO. A few severe thunderstorms may occur with large hail being the main concern. A
    watch may be needed.

    DISCUSSION...Latest surface analysis shows a cold front sagging
    southward across parts of NE/IA. Meanwhile, strengthening
    southwesterly low-level winds are transporting rich moisture
    northward, with 60s dewpoints now as far north as northern
    MO/central KS. The leading edge of the richer moisture is expected
    to begin interacting with the approaching cold front in the next
    couple of hours, leading to rapid thunderstorm development.=20
    Sufficient shear profiles will promote a risk of organized multicell
    and occasional supercell structures, capable of large hail and
    damaging wind gusts. An isolated tornado cannot be ruled out. A
    severe thunderstorm watch may be needed soon for this activity.

    ..Hart.. 04/15/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!41NPyGRXfHnw8Bw7A-qTq77lvC3ZgeQcxEHLvTG7h3jqrAjgGuoFDnR8KFjdck9i6famOIL2T= jXOuzsbhWgYr1BFUbQ$ for graphic product...

    ATTN...WFO...DVN...DMX...EAX...OAX...TOP...GID...

    LAT...LON 39979789 40999551 41479305 41249224 40669221 40359314
    39799544 39479698 39369767 39629799 39979789=20

    MOST PROBABLE PEAK TORNADO INTENSITY...100-130 MPH
    MOST PROBABLE PEAK WIND GUST...55-70 MPH
    MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN


    =3D =3D =3D
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