• MESO: Mesoscale Discussion 0092

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Jan 24 08:36:16 2023
    ACUS11 KWNS 240836
    SWOMCD
    SPC MCD 240835=20
    TXZ000-NMZ000-241100-

    Mesoscale Discussion 0092
    NWS Storm Prediction Center Norman OK
    0235 AM CST Tue Jan 24 2023

    Areas affected...a small portion of east-central New Mexico and into
    an adjacent portion of the Texas South Plains

    Concerning...Heavy snow=20

    Valid 240835Z - 241100Z

    SUMMARY...Snowfall rates in excess of 1" per hour are expected over
    the next couple of hours in few-county area surrounding Clovis New
    Mexico, straddling the New Mexico/Texas border.

    DISCUSSION...Latest water-vapor loop shows the primary upper center
    of circulation entering far southwestern New Mexico at this time,
    and moving very slowly eastward. Meanwhile, a smaller/more subtle
    vort max is evident just southwest of the discussion area, moving
    slowly northeastward. This is contributing to the area of maximized ascent/precipitation that extends from east-central New Mexico,
    across the Texas South Plains and southern parts of the Panhandle.

    While much of this precipitation east of the Caprock is falling as
    rain, due to surface temperatures in the upper 30s to low 40s, snow
    is observed westward across the Lubbock and Plainview areas and into
    the Clovis vicinity.

    A roughly east-to-west band of heavier precipitation is generally
    advancing northward toward the Texas Panhandle. As such, heavier
    snowfall rates are generally occurring for only a limited amount of
    time over any one area. However, the band has remained
    quasi-stationary within the discussion area over the past hour or so
    -- which seems to be due to some easterly/locally east-northeasterly
    upslope flow. As the aforementioned vort max translates only slowly northeastward, this area of enhanced snowfall rates appears likely
    to continue across the discussion area over the next couple of
    hours.

    ..Goss.. 01/24/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!7EeC0pV1zoVuogEWWwoQYX0NyG47F-_64PKKSv7gON_zLoFiqg8y8pOCjTLqEDaI3sCHECeKO= f3hL90PBP3O7gH0ftY$ for graphic product...

    ATTN...WFO...LUB...AMA...ABQ...

    LAT...LON 34730254 34710227 34520242 34230268 34080322 34070371
    34440383 34800326 34730254=20


    =3D =3D =3D
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