• MESO: Mesoscale Discussion 0760

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, June 17, 2018 02:08:54
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    ACUS11 KWNS 170208
    SWOMCD
    SPC MCD 170208
    MIZ000-WIZ000-MNZ000-170315-

    Mesoscale Discussion 0760
    NWS Storm Prediction Center Norman OK
    0908 PM CDT Sat Jun 16 2018

    Areas affected...Portions of north-central Minnesota and northwest
    Wisconsin

    Concerning...Severe potential...Watch likely

    Valid 170208Z - 170315Z

    Probability of Watch Issuance...80 percent

    SUMMARY...Strong thunderstorms will pose a risk of large hail and
    isolated severe wind gusts this evening. A WW issuance is likely.

    DISCUSSION...Latest regional mosaic radar imagery shows
    thunderstorms increasing in coverage/intensity along and north of a
    surface boundary across portions of north-central Minnesota. While
    only transient updraft organization has been noted thus far -- MRMS
    MESH values occasionally around 1" -- the environment across this
    area does support further organization over the next few hours, with
    MLCAPE around 1500-2000 J/kg and effective bulk shear of 40-50
    knots. Much of this activity is expected to remain elevated -- as it
    will reside mostly to the north of the surface boundary. As such,
    the primary severe threats are expected to be large hail. A WW
    issuance is likely over parts of this area.

    ..Elliott/Guyer.. 06/17/2018

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

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

    LAT...LON 47199583 47599523 47629438 47599234 47459201 46819082
    46469024 45709010 45659081 45569359 45849468 46239472
    46679474 46749538 46759590 47199583



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