• MESO: Mesoscale Discussion 2258

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Oct 24 17:00:39 2023
    ACUS11 KWNS 241700
    SWOMCD
    SPC MCD 241700=20
    NMZ000-TXZ000-241900-

    Mesoscale Discussion 2258
    NWS Storm Prediction Center Norman OK
    1200 PM CDT Tue Oct 24 2023

    Areas affected...southwest New Mexico

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

    Valid 241700Z - 241900Z

    Probability of Watch Issuance...20 percent

    SUMMARY...Isolated strong/severe thunderstorms may develop over the
    next few hours across southeast New Mexico. Local small hail and
    gusty winds may accompany the strongest storms. The overall severe
    threat appears low, and a watch is not anticipated.

    DISCUSSION...Thunderstorm development continues near the center of a mid-/upper-level shortwave trough currently propagating eastward
    through southern Arizona, New Mexico, and northwestern Mexico.
    Colder temperatures aloft and diurnal heating are supporting updraft development along the higher terrain, with strong
    south-southwesterly flow driving subsequent storm motion
    northeastward. Mesoanalysis suggests eroding inhibition and
    gradually increasing MLCAPE across the area, perhaps up to around
    500 J/kg currently. MESH values around 1 inch have been observed
    recently with the strongest cores. Relatively moist low levels,
    gradually steepening lapse rates, and strengthening 0-6-km shear
    should support this activity continuing through the early afternoon.
    Localized small hail up to 1-1.5 inches and gusty winds should be
    the primary concerns across the area for the next few hours. A watch
    is not anticipated for this activity, but upscale growth and
    environmental evolution will continue to be monitored for possible
    downstream hazards later this afternoon.

    ..Flournoy/Guyer.. 10/24/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_yQ8gdIt816zopAyRdq1gomX7I5M2LTWOxfBfUiLw6Cn0yrYMuHi-K0Z8vL7Ole1z3_Hpe7Hz= 2eNXQPpQpfxA24V1Ng$ for graphic product...

    ATTN...WFO...ABQ...EPZ...

    LAT...LON 31920896 32510892 32980868 33280807 33410718 33430631
    33370603 33200580 32870560 32480566 31990605 31880657
    31860727 31870829 31390829 31410882 31920896=20


    =3D =3D =3D
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