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  • MESO: Mesoscale Discussion 0125

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, February 23, 2019 20:52:58
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 231952
    SWOMCD
    SPC MCD 231952
    NEZ000-240045-

    Mesoscale Discussion 0125
    NWS Storm Prediction Center Norman OK
    0152 PM CST Sat Feb 23 2019

    Areas affected...Southeastern Nebraska

    Concerning...Heavy snow

    Valid 231952Z - 240045Z

    SUMMARY...Heavy snow rates of 1-2 inches/hour are possible in
    portions of southeastern Nebraska this afternoon/early evening. Snow
    rates should generally taper off by 6-7 pm CST. An intensifying
    surface pressure gradient is also expected and may yield blizzard
    conditions in some areas later tonight.

    DISCUSSION...A band of heavy snow has developed along a line from
    Hastings to York in response to strong mid- and upper-level ascent
    from a vigorous shortwave trough now over western Kansas. This
    ascent should continue to progress to the northeast through the rest
    of the afternoon, coincident with saturated DGZs in RAP forecast
    soundings. Heavy snow rates of 1 inch/hour, with some areas locally
    higher, will be possible through about 6-7 pm CST. A deepening
    surface cyclone now in south-central Kansas will also move off to
    the northeast this evening. As this occurs, a strengthening surface
    pressure gradient may yield blizzard conditions even as heavier snow
    rates wane.

    ..Wendt.. 02/23/2019

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

    ATTN...WFO...OAX...GID...

    LAT...LON 40729883 41219832 41589747 41849687 41909639 41779621
    41069628 40519686 40189712 40059775 40089830 40179865
    40419889 40729883



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