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  • MESO: Mesoscale Discussion 0441

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Wed Apr 15 04:37:01 2026
    ACUS11 KWNS 150436
    SWOMCD
    SPC MCD 150436=20
    ILZ000-IAZ000-MOZ000-NEZ000-KSZ000-150600-

    Mesoscale Discussion 0441
    NWS Storm Prediction Center Norman OK
    1136 PM CDT Tue Apr 14 2026

    Areas affected...Southeast Nebraska/northeast Kansas across southern
    Iowa

    Concerning...Severe Thunderstorm Watch 115...

    Valid 150436Z - 150600Z

    The severe weather threat for Severe Thunderstorm Watch 115
    continues.

    SUMMARY...Threat for occasional large hail and isolated wind damage
    will continue along a stalled front for the next couple of hours,
    with additional storm development expected into eastern Iowa.

    DISCUSSION...Thunderstorms developed rapidly along a stalled front
    in the past hour, aided by low-level warm advection. The front is
    expected to move little the next few hours and will provide a focus
    for additional storm development into eastern IA (where a new severe thunderstorm watch has just been issued). Storms will likely remain
    confined to the front and will pose a threat for large hail with the
    initial updrafts, and isolated wind damage as storm coverage
    increases and small bowing segments become possible along the
    boundary. A brief tornado may also occur with bowing segments
    interacting with the front. Once storms become widespread, storm
    intensity will decrease gradually and the severe threat will begin
    to wane close to watch expiration time at 07z.

    ..Thompson.. 04/15/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_IfhW-QptdJ658-tG3lcmHB_8MwU4GoqYPPdOwUTCc8LMbVoS01kpjG-_xeuQFTJpn5VzjzGD= CNV8jzzRCtLr7hER18$ for graphic product...

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

    LAT...LON 40499459 40009585 39719713 39749753 40259727 40889540
    41509379 41949202 42149067 42069010 41798988 41519005
    41329189 41009326 40499459=20

    MOST PROBABLE PEAK TORNADO INTENSITY...85-115 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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