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  • MESO: Mesoscale Discussion 0571

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tuesday, May 29, 2018 22:57:35
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 292257
    SWOMCD
    SPC MCD 292256
    OKZ000-KSZ000-TXZ000-300100-

    Mesoscale Discussion 0571
    NWS Storm Prediction Center Norman OK
    0556 PM CDT Tue May 29 2018

    Areas affected...South Central Kansas...Northwest
    Oklahoma...Northeast Texas Panhandle

    Concerning...Severe Thunderstorm Watch 131...

    Valid 292256Z - 300100Z

    The severe weather threat for Severe Thunderstorm Watch 131
    continues.

    SUMMARY...Discrete storms are ongoing in northwest Oklahoma and the
    eastern Texas Panhandle. Severe hail has been reported with some of
    these storms, including 2 inch report in Comanche County, KS. All
    severe hazards remain possible with these storms. With time, storms
    are expected to grow upscale and pose primarily a severe wind and
    hail threat.

    DISCUSSION...A storm along the Oklahoma/Kansas border has exhibited
    a propensity for large hail over the last two hours with several
    reports greater than 1.5 inches and one 2 inch report in Comanche
    County, KS. This storm has also exhibited a right-turn on radar over
    the last hour along with increased rotation on KVNX radar. This
    storm appears to be riding along the outflow boundary situated in
    north-central Oklahoma. The most favorable tornado environment will
    exist in this region with greater surface moisture and augmented
    low-level shear associated with the outflow boundary.

    Along the dryline in the eastern Texas Panhandle, a few discrete
    storms have formed and have quickly become severe. One dominant
    supercell near has exhibited strong, rightward deviant storm motion
    and has increased rotation velocities on KAMA radar. A 2.75 inch
    hail and a funnel cloud have been recently reported with this storm.
    A left-moving supercell continues moving into Beaver County, OK and
    poses a hail threat.

    Altogether, MRMS MESH values of at least an inch -- with the
    strongest storms having 2-3 inches -- have been persistent will all
    storms. All severe hazards will be possible with any supercell at
    least for the next few hours. With time, upscale growth of storms
    should lead to a more linear storm mode with severe winds and hail
    being the primary threats.

    ..Wendt.. 05/29/2018

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

    ATTN...WFO...ICT...OUN...DDC...AMA...

    LAT...LON 37569907 37699800 37779766 37749739 37279716 36649730
    35959752 35359829 35069898 35079984 35280029 35720050
    36260063 36660096 37190060 37449994 37569907



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