• MESO: Mesoscale Discussion 1154

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wednesday, July 25, 2018 10:02:05
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    ACUS11 KWNS 251002
    SWOMCD
    SPC MCD 251001
    NEZ000-251200-

    Mesoscale Discussion 1154
    NWS Storm Prediction Center Norman OK
    0501 AM CDT Wed Jul 25 2018

    Areas affected...west-central Nebraska

    Concerning...Severe potential...Watch unlikely

    Valid 251001Z - 251200Z

    Probability of Watch Issuance...5 percent

    SUMMARY...Isolated strong to severe wind gusts are possible across
    parts of west-central Nebraska for a few hours.

    DISCUSSION...In the wake of an earlier round of storms, a somewhat
    larger complex of storms developed southward out of Wyoming and has
    recently passed through CDR with a measured severe wind gust.
    Surface analysis shows an outflow boundary progressing well south
    and east of these storms, which are being supported by unstable,
    elevated inflow via 30 kt southwest 850 mb flow. Given the size of
    this cluster, it may persist for a couple hours before encountering
    a relatively stable air mass to the east. While the outflow may not
    be particularly deep over western areas, downstream the LNX VWP
    indicates backed low-level flow around 2km deep which may hinder any
    further growth/progression.

    ..Jewell/Edwards.. 07/25/2018

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

    ATTN...WFO...LBF...CYS...

    LAT...LON 42270291 42380314 42540327 42710307 42760281 42690243
    42470127 42260083 41910063 41520078 41430130 41480215
    41660250 42270291



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