• MESO: Mesoscale Discussion 0754

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, June 16, 2018 20:22:55
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    ACUS11 KWNS 162022
    SWOMCD
    SPC MCD 162022
    WIZ000-162115-

    Mesoscale Discussion 0754
    NWS Storm Prediction Center Norman OK
    0322 PM CDT Sat Jun 16 2018

    Areas affected...Portions of Wisconsin

    Concerning...Severe potential...Watch unlikely

    Valid 162022Z - 162115Z

    Probability of Watch Issuance...20 percent

    SUMMARY...Isolated strong/severe storms, capable of isolated
    damaging winds and large hail, are possible into this evening.
    Although the threat should be spatially confined sufficiently to
    preclude watch issuance, trends will be monitored.

    DISCUSSION...Merging outflow and lake breeze boundaries, combined
    with a wedge of favorable heating/moisture, are leading to vigorous
    convective initiation over Wisconsin this afternoon. Steep mid-level
    lapse rates and adequate effective shear, noted in veering winds
    with height in KARX VWP data, may support a few storms capable of
    large hail and damaging winds into this evening. The threat should
    be confined by the relatively narrow nature of favorable
    instability/low-level convergence (evident in visible imagery),
    likely precluding watch issuance. Nonetheless, trends will be
    monitored in case a greater threat evolves.

    ..Picca/Grams.. 06/16/2018

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

    ATTN...WFO...GRB...MKX...ARX...

    LAT...LON 42889047 44099041 44809009 44898963 44898963 44688918
    43958902 42768929 42598956 42619009 42659027 42889047



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