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  • MESO: Mesoscale Discussion 0112

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Feb 8 16:49:07 2024
    ACUS11 KWNS 081649
    SWOMCD
    SPC MCD 081648=20
    AZZ000-081945-

    Mesoscale Discussion 0112
    NWS Storm Prediction Center Norman OK
    1048 AM CST Thu Feb 08 2024

    Areas affected...Northern Arizona

    Concerning...Heavy snow=20

    Valid 081648Z - 081945Z

    SUMMARY...Heavy snowfall with rates 1-2 inches per hour. Areas of
    blowing snow with poor visibility.

    DISCUSSION...A cold front currently located across western Arizona
    will advance eastward this morning. Ahead of this feature, upslope
    snow showers are ongoing with light to moderate snow being reported
    in Flagstaff and across the Prescott Valley. Temperatures below 6000
    feet are hovering just above freezing just south of the Mogollon
    Rim. Ahead of the front, steep low to mid-level lapse rates are in
    place around 7-8 C/km. As the front advances eastward, snowfall
    rates will increase as frontogenetic forcing increases along with
    strong upslope flow along the terrain. Given the lapse rate profile,
    some convective enhancement is likely, with heavy snowfall rates
    around 1-2 inches per hour at times. Lower elevation locations where
    dew points are below 32F may see quick snow levels lower with any
    heavier precipitation rates. Given the strong southerly flow gusting
    25-30 mph (locally as high as 40 mph), poor visibility is likely,
    especially along the cold frontal passage. These conditions will
    continue to shift eastward with the cold front, mainly along the
    high terrain of the Mogollon Rim, through the afternoon and evening.

    ..Thornton.. 02/08/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!4_vkqH8Up6sazD5-o0lD1C4JyOKAxLwiquvxnnNr2hcHagvXoHJDLg0WP2LoOXzpLWq4W2kN6= HL9ip4Y9IqYpVjLJxc$ for graphic product...

    ATTN...WFO...FGZ...

    LAT...LON 34611154 34831163 34921181 34921192 34671212 34401232
    34381256 34701283 35011276 35321268 35411266 35501246
    35501211 35461186 35361165 35161140 34981118 34921112
    34711102 34481111 34431128 34611154=20


    =3D =3D =3D
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