• MESO: Mesoscale Discussion 0712

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tuesday, June 12, 2018 05:34:36
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    ACUS11 KWNS 120534
    SWOMCD
    SPC MCD 120533
    MOZ000-OKZ000-KSZ000-120730-

    Mesoscale Discussion 0712
    NWS Storm Prediction Center Norman OK
    1233 AM CDT Tue Jun 12 2018

    Areas affected...Southeast Kansas...Northern Oklahoma...Western
    Missouri

    Concerning...Severe Thunderstorm Watch 173...

    Valid 120533Z - 120730Z

    The severe weather threat for Severe Thunderstorm Watch 173
    continues.

    SUMMARY...The severe threat ongoing in eastern Kansas will likely
    continue for several more hours. Large hail and wind damage can be
    expected with the stronger thunderstorms associated with the MCS.
    Additional watch issuance may be needed across southeast Kansas as
    the expiration of WW 173 takes place at 1 am CDT. The threat is
    expected to become marginal across northern Oklahoma where a weather
    watch probably will not be needed.

    DISCUSSION...A linear MCS is currently moving southeastward into a
    strongly unstable airmass across eastern Kansas and western Missouri
    where the RAP is showing MLCAPE values in the 3000 to 4000 J/kg
    range. This will likely fuel the MCS for several more hours as it
    moves southeastward into the stronger instability. Although
    deep-layer shear on regional WSR-88D VWPs is only around 30 kt, 850
    mb flow will be maintained or gradually strengthen across southeast
    Kansas over the next few hours. This along with the instability and
    shear will likely maintain a severe threat with the stronger
    thunderstorms. Large hail will be most likely with lingering
    supercells. Wind damage will also be possible along the leading edge
    of the MCS. The severe threat is expected to become marginal as the
    storms reach northern Oklahoma and southwest Missouri later tonight.

    ..Broyles/Thompson.. 06/12/2018

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

    ATTN...WFO...SGF...EAX...TSA...TOP...ICT...OUN...DDC...

    LAT...LON 38789366 38889493 38779566 38309664 37959774 37809815
    37579840 36999855 36309846 35809822 35489788 36349569
    36829401 37339299 38449305 38789366



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