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  • MESO: Mesoscale Discussion 0139

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, March 03, 2019 08:23:52
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 030723
    SWOMCD
    SPC MCD 030723
    KSZ000-031130-

    Mesoscale Discussion 0139
    NWS Storm Prediction Center Norman OK
    0123 AM CST Sun Mar 03 2019

    Areas affected...central and eastern KS

    Concerning...Heavy snow

    Valid 030723Z - 031130Z

    SUMMARY...Periods of moderate to heavy snow with rates around 1 inch
    per hour are expected across parts of central into eastern KS
    through the early morning hours. Gusty winds also will lead to
    blowing and drifting snow and further reducing visibility.

    DISCUSSION...Moderate to heavy snow has been tracking east from
    western in central KS over the last few hours. Some heavier bands
    have been noted over southwest into south-central KS the last 1-2
    hours in particular. This area of snow is associated with broad
    ascent as a shortwave trough ejects from eastern CO into the central
    Plains in otherwise low-amplitude westerly flow regime. 07z
    mesoanalysis indicates the dendritic growth zone thickness ranges
    from about 2-3 kft with a nearly saturated layer extending from near
    the surface through the dendritic growth zone. This will aid in
    periods of heavy snow, approaching 1 inch per hour at times, as
    stronger forcing shifts eastward in conjunction with modest
    frontogenesis around 700mb. Some areas across central KS could see
    brief periods of heavier snow rates around 1.5-2 inches per hour. In
    addition to periods of moderate to heavy snow, north-northeast winds
    around 15 mph with gusts to 25 mph will create areas of blowing and
    drifting snow and further reduce visibility into the early morning
    hours.

    ..Leitman.. 03/03/2019

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

    ATTN...WFO...EAX...TOP...ICT...GID...DDC...

    LAT...LON 38189912 38849918 39299895 39679807 39729728 39629625
    38989518 38469508 37819562 37389629 37169692 37009792
    37079832 37229876 37529904 37629905 38189912



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