• MESO: Mesoscale Discussion 0093

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, February 10, 2019 08:15:59
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    ACUS11 KWNS 100715
    SWOMCD
    SPC MCD 100715
    ILZ000-KYZ000-MOZ000-ARZ000-101215-

    Mesoscale Discussion 0093
    NWS Storm Prediction Center Norman OK
    0115 AM CST Sun Feb 10 2019

    Areas affected...far north-central AR...southern and southeast
    MO...southern IL...far western KY

    Concerning...Freezing rain

    Valid 100715Z - 101215Z

    SUMMARY...Freezing rain rates 0.05 inches per 3 hours are possible
    through 6am CST.

    DISCUSSION...Radar mosaic shows a broken precipitation shield over
    AR into northern MS and western TN as of 1am CST. Surface analysis
    indicates temperatures at or below 32 degrees F are located over
    far northern AR northeastward to the MS/OH River confluence.
    Forecast soundings show an above freezing layer around 850mb, which
    was observed on the 6pm Little Rock raob, atop a shallow
    near-surface layer below freezing and freezing rain is the expected precipitation type. Low-level warm air advection is associated with
    the expanding precipitation shield over the lower MS Valley and it
    is forecast to shift gradually north and east during the overnight
    into the early morning. Model guidance suggests precipitation will
    generally remain light but rates around 0.05 inches per 3 hours are
    possible.

    ..Smith.. 02/10/2019

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

    ATTN...WFO...PAH...MEG...LSX...LZK...SGF...

    LAT...LON 36549304 37489218 38689025 38018819 36978859 36589030
    35829280 36549304



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