• MESO: Mesoscale Discussion 0717

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tuesday, June 12, 2018 23:56:38
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    ACUS11 KWNS 122356
    SWOMCD
    SPC MCD 122356
    MIZ000-WIZ000-130230-

    Mesoscale Discussion 0717
    NWS Storm Prediction Center Norman OK
    0656 PM CDT Tue Jun 12 2018

    Areas affected...much of central and northern Wisconsin

    Concerning...Severe potential...Watch possible

    Valid 122356Z - 130230Z

    Probability of Watch Issuance...40 percent

    SUMMARY...Scattered storms are expected to form this evening, with a
    marginal hail and wind threat.

    DISCUSSION...Visible imagery shows a CU field increasing from near
    MSP eastward across northern WI, ahead of a developing cold front
    and where strong height falls are expected later tonight. Low-level
    winds will remain relatively veered/westerly, but the increasing
    large-scale lift should result in scattered storms forming over WI,
    and possible moving into Upper MI. Lengthening hodographs may
    support a few long-lived storms, and MLCAPE on the order of 1000
    J/kg may support marginal hail or wind. However, given the strong
    shortwave trough, trends will be monitored for greater severe
    potential this evening.

    ..Jewell/Hart.. 06/12/2018

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...MQT...GRB...DLH...ARX...MPX...

    LAT...LON 45499247 46638813 46538711 45938668 44648716 44348769
    44318917 44329113 44559184 44849236 45139263 45499247



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