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  • MESO: Mesoscale Discussion 0361

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Apr 2 22:41:39 2025
    ACUS11 KWNS 022241
    SWOMCD
    SPC MCD 022240=20
    INZ000-ILZ000-030015-

    Mesoscale Discussion 0361
    NWS Storm Prediction Center Norman OK
    0540 PM CDT Wed Apr 02 2025

    Areas affected...Portions of northeastern Illinois and northwestern
    Indiana

    Concerning...Tornado Watch 99...

    Valid 022240Z - 030015Z

    The severe weather threat for Tornado Watch 99 continues.

    SUMMARY...Favorable corridor for tornadoes and damaging winds is
    evident over the northern portion of Tornado Watch 99 from northeast
    Illinois into northwest Indiana through at least 00Z.

    DISCUSSION...A band of supercell clusters are tracking northeastward
    from northeastern Illinois into northwestern Indiana. These storms,
    along with warm-advection-driven evolving convection to the east,
    are moving into an environment characterized by lower 60s dewpoints
    and large clockwise-curved low-level hodographs (around 500 m2/s2
    0-500m SRH per IWX VWP) along/south of the warm front draped across
    northern Indiana. Despite a somewhat messy mode, this environment
    may support an uptick in the intensity of supercell clusters over
    the next hour or two, with an accompanying risk of tornadoes and
    damaging wind gusts. Any supercells that can organize/intensify in
    this zone would be capable of producing a strong tornado, though the aforementioned mode evolution casts uncertainty in this scenario
    unfolding at this time.

    ..Weinman.. 04/02/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!4W5ch47LROCf1cErVV-G11b6453fPMuEkT67uDuH6XNwqEm8y4cVvudB68U3_UMGC02VdwAYC= FKjX8nFsYHDHxhwnms$ for graphic product...

    ATTN...WFO...IWX...IND...LOT...ILX...

    LAT...LON 40178838 40998775 41298743 41538686 41468638 41258594
    40948584 40578598 40178648 39908708 39808765 39988821
    40178838=20

    MOST PROBABLE PEAK TORNADO INTENSITY...120-150 MPH
    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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