• MESO: Mesoscale Discussion 1282

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Jul 14 19:01:32 2021
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    ACUS11 KWNS 141901
    SPC MCD 141901=20

    Mesoscale Discussion 1282
    NWS Storm Prediction Center Norman OK
    0201 PM CDT Wed Jul 14 2021

    Areas affected...southern Wisconsin...far northern Illinois

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

    Valid 141901Z - 142100Z

    Probability of Watch Issuance...40 percent

    SUMMARY...Isolated wind damage or marginal hail will be possible
    over the next few hours, mainly focused over southern Wisconsin.

    DISCUSSION...An extensive line of storms currently stretches from
    central into southern WI, and across northwest IL where the line
    contains less trailing stratiform precipitation. Indications of
    strong to possible severe gusts are currently present with activity
    north of the IL border, and these storms may persist as the air mass
    remains favorably unstable despite high cloud cover. Around 1000
    J/kg MLCAPE exists ahead of these storms, extending south into IL.

    Some uptick in storm intensity is possible as the line moves into
    slightly more unstable air. Aside from isolated damaging gusts,
    marginal hail may occur at times. Convective trends are currently
    being monitored for watch potential.

    ..Jewell/Bunting.. 07/14/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!sDvRI-_HiAEfokTJXX7R1GI-6_NQ_WBh6ASbwJqPr6kZycQFWdAc_LwYGDtGzS1TW6re9Ddk$=
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    LAT...LON 41409041 42058994 42588959 42988962 43468921 43798859
    43778809 43448776 42918766 42338774 41868749 41618768
    41438843 41358926 41298968 41409041=20

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