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  • MESO: Mesoscale Discussion 0287

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Mar 23 12:29:55 2024
    ACUS11 KWNS 231229
    SWOMCD
    SPC MCD 231229=20
    MEZ000-NHZ000-VTZ000-MAZ000-NYZ000-231630-

    Mesoscale Discussion 0287
    NWS Storm Prediction Center Norman OK
    0729 AM CDT Sat Mar 23 2024

    Areas affected...Parts of New England and east-central NY

    Concerning...Winter mixed precipitation=20

    Valid 231229Z - 231630Z

    SUMMARY...A mix of heavy snow, sleet, and freezing rain will
    gradually shift east-northeast from east-central New York across
    parts of New England into early afternoon. Snowfall rates of 1-2
    in/hr will persist within the heavy snow band, with
    liquid-equivalent rates of 0.05-0.15 in/hr common in mixed precip.

    DISCUSSION...A long-lived/well-developed swath of winter mixed
    precipitation is ongoing within a strong low-level warm theta-e
    advection regime across the Northeast. A band of heavy snow with
    rates likely near 2 in/hr is ongoing from roughly the Glens Falls,
    NY to Augusta, ME corridor per latest surface observations and radar
    imagery. This heavy snow band should pivot northeast in tandem with
    the shift in 850-mb frontogenesis through early afternoon. This will
    also yield a pivot from the ongoing west/east-orientation of the
    transition zone to sleet and freezing rain. As a result, southern
    portions of VT/NH/ME will transition to mixed precip by midday.
    Meanwhile, the heavy snow arc will shift more into northern parts of
    VT/NH to central ME.

    ..Grams.. 03/23/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5i3_sUYJQ73oA89I-CSnnM-WAY6LzJY66Fjh8ByB2kec9Ndng0Kxwbw0rfxBk-rMxW4tU9Fnf= 0P06Kpkl_FpaN_zeTA$ for graphic product...

    ATTN...WFO...CAR...GYX...BOX...BTV...ALY...

    LAT...LON 44027378 44377330 44987215 45297144 45517076 45737053
    45857031 45866979 45446915 44586925 43986966 43477055
    43157093 42997117 42757178 42687257 42707327 42767397
    43227425 44027378=20


    =3D =3D =3D
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