• MESO: Mesoscale Discussion 0024

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Jan 9 05:58:46 2024
    ACUS11 KWNS 090558
    SWOMCD
    SPC MCD 090557=20
    ALZ000-FLZ000-MSZ000-LAZ000-090730-

    Mesoscale Discussion 0024
    NWS Storm Prediction Center Norman OK
    1157 PM CST Mon Jan 08 2024

    Areas affected...southeast LA...southern MS/AL and far western FL
    Panhandle

    Concerning...Tornado Watch 3...

    Valid 090557Z - 090730Z

    The severe weather threat for Tornado Watch 3 continues.

    SUMMARY...The tornado risk will continue into the overnight hours
    across the central Gulf Coast vicinity.

    DISCUSSION...A surface warm front extends from south-central MS
    southeast toward Mobile Bay as of 0545z. The narrow warm sector
    south of the the warm front and ahead of an eastward-advancing cold
    front will continue to spread east along the central Gulf Coast
    through the overnight and early morning hours. A modified 03z RAOB
    from LIX indicated even with upper 60s F surface dewpoints, some
    surface inhibition is still present. Nevertheless, intense vertical
    shear, evident in regional VWP data will remain favorable for
    rotating storms within the moderately unstable warm sector.

    Some increase in convection across the inland warm sector, as well
    as just offshore has been noted over the past hour or so. If any of
    these cells can become established at the surface, or via
    interactions with the eastward-advancing line of convection, tornado
    potential may increase over the next few hours, especially across
    southern AL/western FL Panhandle. Otherwise, linear/bowing segments
    north of the warm front may continue to pose a risk of strong gusts
    and/or hail.

    ..Leitman.. 01/09/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9NWAXMmaFZwyLCC1xdMvvhAvwP5Ri0VjIQq5GMcIjdbjwgxQprsfSgpa6apSNthMIleJxBx_l= s5cbT6s93K377BzHt8$ for graphic product...

    ATTN...WFO...MOB...JAN...LIX...LCH...

    LAT...LON 31828958 31968811 31318719 30378713 28978824 28608974
    28839120 29859143 30649087 31748992 31828958=20


    =3D =3D =3D
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