• MESO: Mesoscale Discussion 1304

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Friday, August 17, 2018 02:54:52
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    ACUS11 KWNS 170254
    SWOMCD
    SPC MCD 170254
    KSZ000-170430-

    Mesoscale Discussion 1304
    NWS Storm Prediction Center Norman OK
    0954 PM CDT Thu Aug 16 2018

    Areas affected...Parts of central Kansas

    Concerning...Severe Thunderstorm Watch 338...

    Valid 170254Z - 170430Z

    The severe weather threat for Severe Thunderstorm Watch 338
    continues.

    SUMMARY...Lingering thunderstorm activity and associated risk for
    mainly severe hail is expected to gradually diminish late this
    evening. An additional severe weather watch is not anticipated.

    DISCUSSION...A low-level baroclinic zone remains a focus for strong
    to severe thunderstorm development near and east/southeast of
    Salina. This appears to be supported by a corridor of residual
    moderate boundary layer instability (CAPE in excess of 2000 J/kg),
    in the presence of moderate to strong deep layer shear beneath
    30-40 kt northwesterly 500 mb flow. With the continuing progression
    of the mid-level closed low into the middle Mississippi Valley and,
    perhaps more importantly, continuing boundary layer cooling and
    gradual stabilization, the lingering risk for severe hail and
    locally strong surface gusts is expected to diminish through the
    04-05Z time frame.

    ..Kerr.. 08/17/2018

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

    ATTN...WFO...EAX...TOP...ICT...

    LAT...LON 39019803 38969609 38649496 37639558 37629672 38259796
    39019803



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