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  • MESO: Mesoscale Discussion 0235

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Thu Mar 12 21:51:48 2026
    ACUS11 KWNS 122151
    SWOMCD
    SPC MCD 122150=20
    MIZ000-MNZ000-WIZ000-NDZ000-130145-

    Mesoscale Discussion 0235
    NWS Storm Prediction Center Norman OK
    0450 PM CDT Thu Mar 12 2026

    Areas affected...northeastern North Dakota...northern
    Minnesota...northern Wisconsin

    Concerning...Heavy snow=20

    Valid 122150Z - 130145Z

    SUMMARY...Heavy snow will overspread portions of northeastern North
    Dakota, northern Minnesota, and northern Wisconsin tonight with
    snowfall rates likely range 1-2 inches per hour at times.

    DISCUSSION...A deepening surface low will shift southeastward from
    North Dakota into southern Minnesota this afternoon into tonight.
    Strong low-level warm air advection within the 900-700 mb layer
    aided by DCVA ahead of a mid-level shortwave trough and favorable
    jet streak dynamics are expected to combine to promote strong ascent
    within the dendritic growth zone. This will support heavy snowfall
    along and north of the track of the surface low, with rates 1-2
    inches per hour at times.

    A strong surface pressure gradient on the northwestern periphery of
    the surface low will support the potential for sustained northerly
    winds at 30 mph, with the potential for wind gusts to 50+ mph. Given
    this, blowing snow is likely, with brief periods of blizzard
    conditions possible, especially across the northern Red River Valley
    late this evening.

    ..Thornton/Chalmers.. 03/12/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_ECoWcVHGnwFhtrTrhtu5b00NpHBQCxftw0c53Q-LByIoz5sAgk8ED1Qfp-y22e6UXQufLA0J= M7ZhZmf-ztMCPfSQJM$ for graphic product...

    ATTN...WFO...MQT...DLH...FGF...BIS...

    LAT...LON 48619289 47689105 46419028 46189041 46189167 46629310
    47429692 47949900 48269935 48559949 48759941 48999926
    49039919 49099585 49339506 49289481 48949470 48669442
    48559357 48619289=20


    =3D =3D =3D
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