• MESO: Mesoscale Discussion 0607

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu May 2 22:36:37 2024
    ACUS11 KWNS 022236
    SWOMCD
    SPC MCD 022235=20
    TXZ000-030000-

    Mesoscale Discussion 0607
    NWS Storm Prediction Center Norman OK
    0535 PM CDT Thu May 02 2024

    Areas affected...Northwest TX into Southwest TX into the TX Hill
    Country

    Concerning...Severe Thunderstorm Watch 177...

    Valid 022235Z - 030000Z

    The severe weather threat for Severe Thunderstorm Watch 177
    continues.

    SUMMARY...Supercells capable of very large hail up to 2-3" in
    diameter and gusts up to 75 mph remain possible. Additional
    development is possible over the Texas Hill Country and trends will
    be monitored for additional watch issuance.

    DISCUSSION...Regional radar imagery depicts two mature supercells,
    one in King County and the other farther south in Runnels County.
    Visible satellite imagery reveals several attempts at additional
    development between these two mature storms. Environmental
    conditions support supercells and the general expectation is for the
    newer development to mature. Primary severe risk with these storms
    is very large hail around 2" to 3" in diameter. A few damaging gusts
    up to 75 mph are possible as well.=20

    Farther south (from southwest TX into the TX Hill Country), cumulus
    has been gradually deepening, although convective
    initiation/lightning has not been realized. The mesoscale
    environment in this area will be influenced by a westward-moving
    outflow boundary, which could provide the additional lift needed for
    convective initiation. Large to very hail is possible with new
    updrafts. However, cooler temperatures behind the outflow could act
    as a deterrent for sustained development, and the overall
    longevity/severity of this newer development is uncertain. Some
    initiation is possible south of Severe Thunderstorm Watch 177, and
    convective trends will be monitored closely in this area for
    additional watch issuance.

    ..Mosier/Guyer.. 05/02/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-Rhigjwgki1d4B3xHJ-YBLSNVefkjIR51ljI8Oc7uKTKo5NlqNj-iQx-y1_VJ5KC8V_dC_yIW= 5uSInde3_zkhqRmZzY$ for graphic product...

    ATTN...WFO...FWD...OUN...EWX...SJT...LUB...

    LAT...LON 30330071 31780037 33900003 33529859 29369895 28799982
    29350051 30330071=20


    =3D =3D =3D
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