• MESO: Mesoscale Discussion 1955

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Dec 4 20:47:23 2021
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    ACUS11 KWNS 042047
    SWOMCD
    SPC MCD 042046=20
    MTZ000-042315-

    Mesoscale Discussion 1955
    NWS Storm Prediction Center Norman OK
    0246 PM CST Sat Dec 04 2021

    Areas affected...Northeast Montana

    Concerning...Heavy snow=20

    Valid 042046Z - 042315Z

    SUMMARY...A snow band will lift across northeast Montana over the
    next 2 hours bringing snowfall rates in excess of 1.5 inches per
    hour within the heaviest band.

    DISCUSSION...A band of heavy snow has developed in a region of
    moderate isentropic ascent across northeast Montana, on the western
    extent of strengthening low to mid-level frontogenesis. This band
    will continue to lift northeast through the afternoon. The transient
    nature of the band may limit higher accumulations in any one
    location, but snowfall rates of 1.5+ inches per hour will be
    possible for an hour or two as the band passes.

    ..Bentley.. 12/04/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!tWGycDFo24y4OyQp_LFxg9cV5V_4PsWFAw59z3FIL_95rXDB0_NOXePuyCjZ9ux3fZ6iAvHc$=
    for graphic product...

    ATTN...WFO...GGW...TFX...

    LAT...LON 48670815 48740667 48490516 48020408 47340408 47150518
    47480652 47780789 47950881 48170900 48340873 48670815=20



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