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  • MESO: Mesoscale Discussion 0679

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, June 09, 2018 07:51:50
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 090751
    SWOMCD
    SPC MCD 090751
    IAZ000-MOZ000-NEZ000-KSZ000-SDZ000-090945-

    Mesoscale Discussion 0679
    NWS Storm Prediction Center Norman OK
    0251 AM CDT Sat Jun 09 2018

    Areas affected...Eastern Nebraska...Western Iowa

    Concerning...Severe potential...Watch possible

    Valid 090751Z - 090945Z

    Probability of Watch Issuance...40 percent

    SUMMARY...A wind damage threat will likely continue for a couple
    more hours across parts of eastern Nebraska. The severe threat may
    affect Iowa but the wind damage threat with the line is expected to
    become more isolated with time. Due to the continued severe threat,
    weather watch issuance still can not be ruled out.

    DISCUSSION...The latest radar imagery shows an MCS over east-central
    Nebraska with a well-defined outflow boundary surging southeastward
    away from the line in southern Nebraska. Over the last hour, several
    measured severe wind gusts have been observed, notably at Aurora,
    Kearney and York. Moderate instability is analyzed ahead of the line
    by the RAP with MLCAPE estimated in the 2500 J/kg near Omaha. This
    should enable the line to continue to have a wind damage threat for
    a couple more hours. However, a gradual decrease in the threat is
    expected to take place as the MCS approaches western Iowa.

    ..Broyles/Thompson.. 06/09/2018

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

    ATTN...WFO...DMX...EAX...FSD...OAX...TOP...GID...

    LAT...LON 42439505 42109439 41689429 41219469 40799522 40139581
    39869650 40259739 40859806 41579803 42739659 42439505



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