• MESO: Mesoscale Discussion 0065

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Jan 14 21:09:10 2024
    ACUS11 KWNS 142109
    SWOMCD
    SPC MCD 142108=20
    MEZ000-NHZ000-150115-

    Mesoscale Discussion 0065
    NWS Storm Prediction Center Norman OK
    0308 PM CST Sun Jan 14 2024

    Areas affected...Southern Maine

    Concerning...Snow Squall=20

    Valid 142108Z - 150115Z

    SUMMARY...Snow squalls potential should begin to gradually decline
    through the evening hours amid the onset of nocturnal cooling.
    However, impactful snow squalls should continue in the near-term
    (next 1-2 hours) across southern Maine.

    DISCUSSION...Snow squalls continue to spread east across the New
    England region with several reports of significant visibility
    reductions and rapid snow accumulations (upwards of 1-2 in/hour snow
    rates). This trend should continue for the near term (next 1-2
    hours) as the broken line of convective showers along the front
    pushes into southern Maine. However, downstream temperatures have
    fallen slightly over the past 30-60 minutes due to the onset of
    nocturnal cooling. Further temperature reductions are likely given
    scattered cloud cover ahead of the approaching cold front. Recent
    forecast soundings suggest that buoyancy and low-level lapse rates
    will diminish as temperatures fall into the upper 20s, which should
    modulate the convective intensity of the snow squalls. Consequently,
    a gradual weakening trend is anticipated beyond the next 2-3 hours
    as temperatures fall from the mid 30s into the upper 20s ahead of
    the front.

    ..Moore.. 01/14/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!4E7y9bdu144NtvMvPfgCmnqMp7IIHvAcThvO3fV58_51QFDLHKPvpchiEROBTo_TXdmJ-4_TU= feho0UNGYmn5f8cWvw$ for graphic product...

    ATTN...WFO...CAR...GYX...

    LAT...LON 43557133 44737119 44947097 45107059 45496876 45456832
    45006786 44686798 44376861 44096950 43707022 43407062
    43287086 43317117 43557133=20


    =3D =3D =3D
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