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  • MESO: Mesoscale Discussion 0068

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tuesday, February 05, 2019 20:21:28
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 051921
    SWOMCD
    SPC MCD 051920
    WIZ000-MNZ000-IAZ000-060015-

    Mesoscale Discussion 0068
    NWS Storm Prediction Center Norman OK
    0120 PM CST Tue Feb 05 2019

    Areas affected...Southeast MN...Northern IA...Western WI

    Concerning...Heavy snow

    Valid 051920Z - 060015Z

    SUMMARY...Multiple bands of heavy snow will continue to develop and
    affect the discussion area this afternoon. Snowfall rates exceeding
    1 inch per hour are likely in localized areas.

    DISCUSSION...Recent radar loop shows a developing band of moderate
    to heavy snow developing from Brown/Nicollet counties of
    south-central MN to near Eau Clair WI. Several observation sites
    within this band, including parts of the Minneapolis metro area, are
    reporting moderate snow. The expanding precipitation shield is
    associated with a well-defined shortwave trough moving into NE, and strengthening low-level warm advection indicated by local VAD
    profiles.

    This band is expected to slowly lift northeastward through the next
    several hours, but will likely be replaced by an intensifying band
    of heavy snow that is developing along the IA/MN border. The result
    will be multiple episodes of locally significant snowfall through
    the afternoon across the discussion area. Convective augmentation
    of snowfall rates is likely, although lightning strikes are
    uncertain.

    ..Hart.. 02/05/2019

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

    ATTN...WFO...DLH...ARX...MPX...DMX...FSD...

    LAT...LON 45779151 45309050 44479069 43739247 43179428 43639526
    44939420 45779151



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