• MESO: Mesoscale Discussion 1875

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Fri Aug 9 20:52:04 2024
    ACUS11 KWNS 092051
    SWOMCD
    SPC MCD 092051=20
    WYZ000-IDZ000-UTZ000-092245-

    Mesoscale Discussion 1875
    NWS Storm Prediction Center Norman OK
    0351 PM CDT Fri Aug 09 2024

    Areas affected...Parts of southern/central WY into extreme northeast UT/southeast ID

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

    Valid 092051Z - 092245Z

    Probability of Watch Issuance...20 percent

    SUMMARY...Isolated strong to severe gusts will be possible from late
    afternoon into the early evening.

    DISCUSSION...Multiple areas of building cumulus are noted across
    parts of southern/central WY this afternoon, with a strong storm
    over far northern UT. While low-level moisture remains rather
    modest, a combination of diurnal heating and relatively steep lapse
    rates have resulted in modest destabilization, with MLCAPE
    increasing to near or above 500 J/kg across much of the region.
    Generally unidirectional wind profiles with moderate westerly
    midlevel flow are supporting effective shear of 30-40 kt, sufficient
    for modestly organized cells/clusters as storms mature.=20

    Initial storms could pose a nonzero hail threat, but one or more
    outflow-driven clusters may evolve with time, as storms move through
    a well-mixed environment. Steep low-level lapse rates will support
    potential for strong to locally severe gusts as convection spreads
    eastward from late afternoon into the early evening.

    ..Dean/Goss.. 08/09/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-Z08rk9A3pLN8Au8Kx877c1tGuQhbbwLvR53Btwq3zV8CFbbIEAe4otz6giPg2jJYcm3fvekk= zCejJCjAsKSDUKvwpE$ for graphic product...

    ATTN...WFO...CYS...RIW...SLC...PIH...

    LAT...LON 41150838 41141054 41291092 41591169 42151169 42971069
    43470985 43360752 43310709 42960589 42190559 41490554
    41120557 41070616 41170738 41150838=20


    =3D =3D =3D
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