• MESO: Mesoscale Discussion 0090

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Jan 25 10:49:17 2024
    ACUS11 KWNS 251049
    SWOMCD
    SPC MCD 251048=20
    LAZ000-TXZ000-251245-

    Mesoscale Discussion 0090
    NWS Storm Prediction Center Norman OK
    0448 AM CST Thu Jan 25 2024

    Areas affected...Central/Southwest LA

    Concerning...Severe potential...Watch unlikely=20

    Valid 251048Z - 251245Z

    Probability of Watch Issuance...5 percent

    SUMMARY...A few damaging gusts and/or isolated instances of small
    hail are possible across central and southwest LA over the next few
    hours.

    DISCUSSION...Regional radar imagery reveals a convective line
    extending from the central LA/TX border vicinity southward along the
    Sabine River into far southeast TX/TX Golden Triangle. This line has
    shown an increase in intensity over the past hour or so, likely
    resulting from increasing large-scale ascent attendant negatively
    tilted shortwave trough moving into the central portions of the
    southern Plains. Prevailing low-level stability and elevated
    character of this line has limited the severe potential thus far,
    although a gust of 40 kt was reported at GLS.=20

    Dewpoints are in the upper 50s to low 60s within the airmass
    preceding the line over central and southwest LA. This limited
    low-level moisture is expected to result in a prevalence of the
    low-stability, keeping the overall severe potential low. Best chance
    of a damaging gust will be across southwest/south-central LA where
    the best low-level moisture is located. Linear storm mode suggests
    the hail potential is low as well, but the combination of modest
    elevated buoyancy with strong shear could result in isolated
    instances of small hail.

    ..Mosier/Goss.. 01/25/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6hb1ezZ_iKM_VFXe4irS8IExcImZoxD205r3qL_lNLkJ_FXHf03AYQdSxetl15csLagTeti82= IQdq1UYXvkCuSqGj6M$ for graphic product...

    ATTN...WFO...JAN...LIX...LCH...SHV...

    LAT...LON 31269357 31599323 31749234 31329186 30349175 29729208
    29509250 29659324 29689392 31269357=20


    =3D =3D =3D
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