• MESO: Mesoscale Discussion 2257

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Dec 10 14:08:00 2025
    ACUS11 KWNS 101407
    SWOMCD
    SPC MCD 101407=20
    VTZ000-NYZ000-101800-

    Mesoscale Discussion 2257
    NWS Storm Prediction Center Norman OK
    0807 AM CST Wed Dec 10 2025

    Areas affected...portions of central into eastern New York

    Concerning...Heavy snow=20

    Valid 101407Z - 101800Z

    SUMMARY...Moderate to heavy snow is expected to persist into the
    late morning and perhaps early afternoon hours. A few localized
    instances of 1 inch/hour snowfall rates may occur.

    DISCUSSION...A primary band of moderate to heavy snow has become
    established over much of New York as a surface low approaches from
    the Great Lakes, resulting in increased low-level WAA over the
    Hudson Valley. At the terminus of the WAA resides strong 925-850 mb convergence, which may be providing enhanced lift within a
    saturated, sub-freezing troposphere. As such, efficient dendritic
    growth should result in widespread moderate to occasionally heavy
    snow through the morning hours, perhaps extending into early
    afternoon, before the aforementioned WAA axis shifts east, away from
    the Hudson Valley. Localized instances of 1 inch/hour snowfall rates
    are possible.

    ..Squitieri.. 12/10/2025

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8CWYn7xetkI8aXQ8koXfTyMM3wAOaLj0hkVz_iqr9j-RlAQNeqQSNiKmvdxZgdGQl_6lS_HtT= xatVC_8WfXTzlfHMzM$ for graphic product...

    ATTN...WFO...ALY...BGM...BUF...

    LAT...LON 42817652 43447630 43697517 43627428 43527373 43437354
    43127321 42597346 42327392 42237492 42327562 42527613
    42767646 42817652=20


    =3D =3D =3D
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