• MESO: Mesoscale Discussion 0901

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wednesday, June 27, 2018 03:07:05
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    ACUS11 KWNS 270307
    SWOMCD
    SPC MCD 270306
    KYZ000-TNZ000-ARZ000-MSZ000-270430-

    Mesoscale Discussion 0901
    NWS Storm Prediction Center Norman OK
    1006 PM CDT Tue Jun 26 2018

    Areas affected...Northeast AR...MO Bootheel...western TN/KY

    Concerning...Severe Thunderstorm Watch 226...

    Valid 270306Z - 270430Z

    The severe weather threat for Severe Thunderstorm Watch 226
    continues.

    SUMMARY...Although a locally strong wind gust cannot be ruled out
    across and just east of the remaining portion of WW 226 in western
    Tennessee and western Kentucky, the overall severe-weather threat
    will continue to diminish through the late evening. A new severe
    thunderstorm watch issuance is not needed east of WW 226.

    DISCUSSION...Trends in mosaic radar imagery this evening showed a
    long-lived, forward-propagating MCS had moved into western portions
    of KY and TN during the latter part of the evening. Short-term
    guidance suggests this band of storms should reach central KY and
    middle TN after midnight. However, an overall weakening trend, as
    already noted in much of the leading band of storms, given the
    deceleration in forward speed and weakening storm intensities, will
    persist and preclude the need for a new watch. The further increase
    in surface-based inhibition and greater boundary-layer stability
    with eastward extent are key factors limiting the severity of storms
    into the early overnight.

    ..Peters.. 06/27/2018

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

    ATTN...WFO...LMK...OHX...PAH...MEG...

    LAT...LON 35339102 36178843 36818745 37548678 36978641 36378713
    35528792 35058800 35018973 34989033 35209101 35339102



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