• MESO: Mesoscale Discussion 1054

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, July 14, 2018 20:18:49
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    ACUS11 KWNS 142018
    SWOMCD
    SPC MCD 142018
    NDZ000-SDZ000-142215-

    Mesoscale Discussion 1054
    NWS Storm Prediction Center Norman OK
    0318 PM CDT Sat Jul 14 2018

    Areas affected...Dakotas

    Concerning...Severe potential...Watch possible

    Valid 142018Z - 142215Z

    Probability of Watch Issuance...40 percent

    SUMMARY...Scattered thunderstorms, some possibly severe, are
    expected to develop along a frontal zone as it moves across North
    Dakota.

    DISCUSSION...Strong boundary-layer heating is contributing to
    substantial buoyancy across the pre-frontal Dakotas where surface
    temperatures have warmed into the 90s. Low-level parcels are nearing
    their convective temperatures as evident by an expanding cumulus
    field along the frontal zone as it surges southeast into the western Dakotas/northeast WY. It appears scattered thunderstorms will evolve
    along the wind shift within the next 1-2 hours as the front
    encounters increasingly moist/unstable air mass. Latest CAMs
    guidance supports this scenario with at least a broken line of
    storms evident in most solutions along the boundary as it spreads
    into central ND. Locally severe wind gusts and perhaps some hail are
    possible with this activity.

    ..Darrow/Guyer.. 07/14/2018

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

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

    LAT...LON 45800314 47430208 48950085 48919889 46950013 45630178
    45800314



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