• MESO: Mesoscale Discussion 2007

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Dec 11 05:47:08 2021
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    ACUS11 KWNS 110547
    SWOMCD
    SPC MCD 110546=20
    MIZ000-110845-

    Mesoscale Discussion 2007
    NWS Storm Prediction Center Norman OK
    1146 PM CST Fri Dec 10 2021

    Areas affected...portions of the Upper Peninsula of Michigan

    Concerning...Heavy snow=20

    Valid 110546Z - 110845Z

    SUMMARY...Up to 1 inch/hr snowfall rates are expected across
    portions of the Upper Peninsula of Michigan for at least a few
    hours.

    DISCUSSION...A 992 mb surface low across northern IL is tracking
    northeast, with a warm conveyer belt of deep moisture wrapping
    around the low. Strong 700 mb frontogenesis has been noted across
    the Upper Michigan Peninsula at the nose of a WAA axis, contributing
    to rapid ascent of moisture into a deep dendritic growth zone. As
    such, up to 1 inch/hr snowfall rates may accompany the stronger
    snowfall bands for at least a few more hours.

    ..Squitieri/Grams.. 12/11/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!uCiWsuvqWf1YHGuK6buyZCw4Xefu4lSFLGsiHXlnRSwx1G5ZqyHh36pYJynWD6Wi-CsrmGJS$=
    for graphic product...

    ATTN...WFO...MQT...

    LAT...LON 46588921 46858830 46848753 46788604 46578573 46368602
    46128638 45988693 45998785 46238901 46588921=20



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