• MESO: Mesoscale Discussion 0297

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Fri Mar 27 03:28:30 2026
    ACUS11 KWNS 270328
    SWOMCD
    SPC MCD 270327=20
    INZ000-ILZ000-MOZ000-270430-

    Mesoscale Discussion 0297
    NWS Storm Prediction Center Norman OK
    1027 PM CDT Thu Mar 26 2026

    Areas affected...Central Illinois...central and southern Indiana

    Concerning...Severe Thunderstorm Watch 76...

    Valid 270327Z - 270430Z

    The severe weather threat for Severe Thunderstorm Watch 76
    continues.

    SUMMARY...Isolated strong to occasionally severe thunderstorms may
    persist beyond the scheduled 04z expiration of Severe Thunderstorm
    Watch 76, and a local watch extension may be needed based on
    near-term radar trends.

    DISCUSSION...Isolated severe storms were noted along, and on the
    cool side, of a cold front across southern portions of IN/IL at
    0325z. Low-level warm advection will contribute modest ascent
    supporting maintenance of thunderstorm coverage for the next few
    hours, and MUCAPE on the order of 750-1000 J/kg combined with ample
    deep-layer shear may support a severe wind/hail threat for a couple
    hours beyond the expiration of Severe Thunderstorm Watch 76 at 04z,
    and a local watch extension may be needed. With time, however, an
    overall weakening trend is expected as instability continues to
    diminish. As a result, a new watch is not anticipated.

    ..Bunting.. 03/27/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8gUc37uKrYBbxuY3Uat3OqQ8IURIWHBMO6l0uh_vUkYromWHoEplXTfXzX7zJHlVKZg-b-sI0= Z7un7W1znSK-1I0eCk$ for graphic product...

    ATTN...WFO...IND...PAH...ILX...LSX...DVN...

    LAT...LON 39719108 40279153 40429102 40469067 40459024 40408969
    40318859 40058755 39278665 38728677 38468727 39348899
    39528994 39719108=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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