• MESO: Mesoscale Discussion 1635

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Aug 29 00:45:01 2021
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    ACUS11 KWNS 290044
    SWOMCD
    SPC MCD 290044=20
    MNZ000-IAZ000-SDZ000-290215-

    Mesoscale Discussion 1635
    NWS Storm Prediction Center Norman OK
    0744 PM CDT Sat Aug 28 2021

    Areas affected...Southwestern Minnesota...southeastern South Dakota

    Concerning...Tornado Watch 469...

    Valid 290044Z - 290215Z

    The severe weather threat for Tornado Watch 469 continues.

    SUMMARY...The threat for tornadoes has decreased in WW 469.
    Thermodynamic and wind shear profiles will still favor a few
    supercell structures capable of large hail and damaging winds.

    DISCUSSION...Storms that developed along the surface boundary have
    moved into cooler air from earlier convection. These storms will
    still be capable of large hail and perhaps damaging winds given the
    deep-layer shear and modestly steep mid-level lapse rates sampled by
    the 00Z ABR/OAX soundings. The tornado threat has decreased,
    however, due to storm interference and stable near-surface air.

    ..Wendt.. 08/29/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!sgayABY8-4aUdI76A6khG3_F6CDqTlIfANCrMCtrlmaNiTKRLHNS63QyaQ2dXkkLS9LDfXPN$=
    for graphic product...

    ATTN...WFO...MPX...DMX...FSD...ABR...

    LAT...LON 44189737 44199713 44559709 44549646 44629642 44639563
    44239558 44199512 44139508 44109487 43499483 43509644
    43849646 43859737 44189737=20



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