• MESO: Mesoscale Discussion 0875

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Jun 8 01:35:35 2021
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    ACUS11 KWNS 080135
    SWOMCD
    SPC MCD 080135=20
    NDZ000-SDZ000-080300-

    Mesoscale Discussion 0875
    NWS Storm Prediction Center Norman OK
    0835 PM CDT Mon Jun 07 2021

    Areas affected...Northern South Dakota...Southeast North Dakota

    Concerning...Severe Thunderstorm Watch 244...

    Valid 080135Z - 080300Z

    The severe weather threat for Severe Thunderstorm Watch 244
    continues.

    SUMMARY...Severe threat continues across all but northwestern
    portions of ww244.

    DISCUSSION...Earlier convection that developed near MBG, due to
    intense surface heating, has propagated into southeast ND where new thunderstorms are now maturing into a larger cluster in the
    Jamestown vicinity. This activity appears to be growing upscale in
    part due to strengthening low-level inflow impinging on a boundary
    that is draped across southeast ND. 00z sounding from ABR exhibited
    substantial CAPE with steep lapse rates supportive of robust
    updrafts capable of generating large hail and damaging winds. If
    these trends continue, a small MCS could form and propagate into
    northwest MN along the most-favored corridor of low-level warm
    advection.

    ..Darrow.. 06/08/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!uwxfX2N3_rD9DgqAKEUWOaDq4MASow7D8tef4IFmGNjPEG6-nEzuMF1sf6pakX0n0XFl9wYc$=
    for graphic product...

    ATTN...WFO...FGF...ABR...BIS...

    LAT...LON 45820037 46989891 47409817 47399685 46579723 46159830
    45510006 45820037=20



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