• MESO: Mesoscale Discussion 0926

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, June 28, 2018 22:23:44
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    ACUS11 KWNS 282223
    SWOMCD
    SPC MCD 282223
    WIZ000-MNZ000-NDZ000-290000-

    Mesoscale Discussion 0926
    NWS Storm Prediction Center Norman OK
    0523 PM CDT Thu Jun 28 2018

    Areas affected...Far East-Central ND...Central MN..Far Northwest WI

    Concerning...Severe Thunderstorm Watch 233...

    Valid 282223Z - 290000Z

    The severe weather threat for Severe Thunderstorm Watch 233
    continues.

    SUMMARY...Threat for hail and damaging wind gusts remains possible
    across east-central MN and far northwest MI.

    DISCUSSION...Ongoing pair of supercells southwest of DLH continue to
    progress southeastward along the warm front draped across the
    region. KDLH imagery shows the outflow accelerating ahead of each of
    these supercells, particularly the lead storm. Even so, updrafts
    within these storms remain strong and capable of producing severe
    hail and damaging wind gusts. Second supercell has recently shown an
    increase in forward motion, suggesting the potential for a
    transition to a more linear mode to occur soon, possibly augmented
    by the outflow from the lead storm.

    Farther west (i.e. west-central MN and far east-central ND), trends
    in visible imagery across the region suggests the airmass remains
    capped. Expectation is for the area to remain free of storms for the
    next several hours.

    ..Mosier.. 06/28/2018

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

    ATTN...WFO...DLH...MPX...FGF...

    LAT...LON 47069768 48119770 46619113 45599113 47069768



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