• MESO: Mesoscale Discussion 0743

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Friday, June 15, 2018 16:26:48
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    ACUS11 KWNS 151626
    SWOMCD
    SPC MCD 151626
    WIZ000-MNZ000-151730-

    Mesoscale Discussion 0743
    NWS Storm Prediction Center Norman OK
    1126 AM CDT Fri Jun 15 2018

    Areas affected...Portions of Minnesota and northern Wisconsin

    Concerning...Severe potential...Watch unlikely

    Valid 151626Z - 151730Z

    Probability of Watch Issuance...5 percent

    SUMMARY...A few storms may be capable of marginally severe hail into
    this afternoon, but watch issuance is not expected.

    DISCUSSION...Scattered thunderstorms continue to develop over parts
    of Minnesota and adjacent northern Wisconsin this morning. These
    cells are rooted above a stable layer (from the surface through
    approximately 850 mb), driven by warm advection at the top of this
    layer (evidenced by veering flow in regional VWP data). An
    approaching MCV over west-central Minnesota is likely aiding
    ascent/convective initiation as well. Although the 12Z MPX sounding
    sampled steep mid-level lapse rates, disorganized flow aloft
    suggests stronger updrafts should be transient, such that isolated
    marginally severe hail will be the primary threat into this
    afternoon. In turn, watch issuance is not expected at this time.

    ..Picca/Goss.. 06/15/2018

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

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

    LAT...LON 45529141 45529180 45619381 45699454 46029490 46239490
    46649457 47109385 47129314 46959143 46749085 46379023
    45659033 45529141



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