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  • MESO: Mesoscale Discussion 0757

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, June 16, 2018 23:21:53
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 162321
    SWOMCD
    SPC MCD 162321
    MNZ000-SDZ000-NDZ000-170115-

    Mesoscale Discussion 0757
    NWS Storm Prediction Center Norman OK
    0621 PM CDT Sat Jun 16 2018

    Areas affected...northeast South Dakota...southeast North
    Dakota...and west-central Minnesota

    Concerning...Tornado Watch 180...

    Valid 162321Z - 170115Z

    The severe weather threat for Tornado Watch 180 continues.

    SUMMARY...Severe weather risk -- including potential for a tornado
    or two -- continues across the watch area.

    DISCUSSION...Thunderstorms have been slow to develop across the WW
    area, with most development ongoing farther to the southwest, within
    WW 181. However, with a warm front bisecting the watch and warm
    advection to continue increasing as a south-southwesterly low-level
    jet develops, expect storms to develop/increase over the next few
    hours.

    With backed low-level flow near and north of the front providing
    enhanced low-level shear, a tornado or two may become possible with
    initial convective development. With time however, upscale growth
    into more banded/linear convection is expected. As this occurs, and
    as diurnal cooling of the boundary layer results in gradually
    increased low-level stability, risk will likely trend toward hail,
    and possibly isolated gusty winds.

    ..Goss.. 06/16/2018

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

    ATTN...WFO...DLH...MPX...FGF...FSD...ABR...BIS...

    LAT...LON 44119838 45369893 45809861 46569687 46829461 45859385
    45189408 44339688 44119838



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