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  • MESO: Mesoscale Discussion 0937

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Friday, June 29, 2018 09:15:14
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 290915
    SWOMCD
    SPC MCD 290914
    MIZ000-WIZ000-MNZ000-SDZ000-NDZ000-291115-

    Mesoscale Discussion 0937
    NWS Storm Prediction Center Norman OK
    0414 AM CDT Fri Jun 29 2018

    Areas affected...Eastern ND...northern and part of central
    MN...northwest WI...and western Upper MI

    Concerning...Severe Thunderstorm Watch 239...

    Valid 290914Z - 291115Z

    The severe weather threat for Severe Thunderstorm Watch 239
    continues.

    SUMMARY...Fast-moving (55-60 kt) squall line of storms will continue
    to produce strong/damaging winds across far eastern North Dakota
    through 5-6 AM CDT, while the leading part of the line enters
    northwest Minnesota from Marshall to Wilkin Counties between 4-4:30
    AM. The threat for damaging winds will exit WW 239 by 6 AM, with a
    new severe thunderstorm watch needed for the rest of northern and
    part of central Minnesota into northwest Wisconsin, and perhaps
    western Upper Michigan.

    DISCUSSION...Trends in mosaic radar imagery indicated the
    forward-propagating MCS has continued to accelerate overnight into
    early this morning as it moved into eastern ND, with recent movement
    of the apex and southern extent near the SD border toward the
    east-northeast and east, respectively, at 60 kt. The combination of
    very strong MUCAPE feeding into this complex per a 60 kt
    southwesterly low-level jet in eastern SD and a 75 kt westerly
    500-mb jet across central ND suggest favorable conditions to
    maintain this forward-propagating MCS, and the attendant
    severe-weather threat.

    ..Peters/Guyer.. 06/29/2018

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

    ATTN...WFO...MQT...GRB...DLH...MPX...FGF...ABR...

    LAT...LON 45979782 47039793 47379749 47889778 48219877 49009910
    48989586 49369504 48809437 48599348 48249193 48189096
    48048958 47388924 46958879 46208918 45449061 45639386
    45889589 45869720 45979782



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