• MESO: Mesoscale Discussion 0737

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, June 14, 2018 23:42:17
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    ACUS11 KWNS 142342
    SWOMCD
    SPC MCD 142341
    NDZ000-MTZ000-150115-

    Mesoscale Discussion 0737
    NWS Storm Prediction Center Norman OK
    0641 PM CDT Thu Jun 14 2018

    Areas affected...Northwest ND

    Concerning...Tornado Watch 177...

    Valid 142341Z - 150115Z

    The severe weather threat for Tornado Watch 177 continues.

    SUMMARY...Tornado threat continues across northwest ND...especially
    near the international border.

    DISCUSSION...Strong low-level warm advection appears to be the
    primary forcing mechanism for deep convection along/just north of
    the international border. Several longer-lived supercells have
    progressed into southeast SK/southwest MB and this activity is
    expected to focus along the border region into the late evening
    hours. South of the warm front, higher-based convection has
    struggled to develop across western ND. Several attempts at
    sustained updrafts have failed and it's not entirely clear how
    convection will evolve over the next few hours; although, storms
    should eventually focus along the cold front as it surges into this
    part of the watch. Greatest tornado threat should focus along the
    Canadian border.

    ..Darrow.. 06/14/2018

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

    ATTN...WFO...FGF...BIS...GGW...

    LAT...LON 49030412 49800007 47539946 46760349 49030412



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