• MESO: Mesoscale Discussion 1160

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, July 26, 2018 00:41:11
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    ACUS11 KWNS 260041
    SWOMCD
    SPC MCD 260040
    KSZ000-NEZ000-OKZ000-COZ000-NMZ000-260245-

    Mesoscale Discussion 1160
    NWS Storm Prediction Center Norman OK
    0740 PM CDT Wed Jul 25 2018

    Areas affected...eastern Colorado/western and central
    Kansas/southwest Nebraska

    Concerning...Severe Thunderstorm Watch 309...

    Valid 260040Z - 260245Z

    The severe weather threat for Severe Thunderstorm Watch 309
    continues.

    SUMMARY...Isolated severe risk continues across the western half of Kansas/eastern Colorado vicinity.

    DISCUSSION...A broken band of thunderstorms along the surface front
    -- extending from southeast Colorado to northeast Kansas --
    continues, moving south-southeast with time. Meanwhile, additional
    storms are moving east-southeast out of the eastern Colorado plains
    toward western Kansas, where a reservoir of moderate instability
    remains.

    This evening's DDC (Dodge City Kansas) RAOB indicates a deeply mixed
    boundary layer beneath moderate high-based CAPE, and a wind field
    veering from southerly at the surface to north-northwesterly at mid
    levels. With a sufficient CAPE/shear environment for sustenance of
    organized storms, and some low-level evaporative potential enhancing
    the damaging wind risk somewhat, expect severe threat to continue
    over the next few hours. While a stabilizing boundary layer this
    evening should allow risk to gradually wane, some potential for
    upscale growth into an organized cluster or two still exists, as a
    southerly low-level jet increases over the next few hours. Should
    such a cluster or two evolve, wind risk could persist/spread
    southward longer than currently anticipated. Otherwise, risk
    remains well-contained within the current watch.

    ..Goss.. 07/26/2018

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

    ATTN...WFO...ICT...OUN...GID...LBF...DDC...GLD...AMA...PUB...
    BOU...ABQ...

    LAT...LON 40200375 40610331 40590235 39890135 39820086 40099924
    39839844 38869822 37609858 36979961 36930316 37740412
    39140401 40200375



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