• MESO: Mesoscale Discussion 0571

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Mon Apr 29 09:12:32 2024
    ACUS11 KWNS 290912
    SWOMCD
    SPC MCD 290911=20
    LAZ000-TXZ000-291045-

    Mesoscale Discussion 0571
    NWS Storm Prediction Center Norman OK
    0411 AM CDT Mon Apr 29 2024

    Areas affected...far southeast TX into southwest LA

    Concerning...Severe Thunderstorm Watch 162...

    Valid 290911Z - 291045Z

    The severe weather threat for Severe Thunderstorm Watch 162
    continues.

    SUMMARY...The damaging wind risk will increase across far southeast
    Texas into southwest Louisiana over the next 1-2 hours. A tornado
    also may be possible with this activity.

    DISCUSSION...Some increase in intensity has been noted in radar
    imagery over southeast TX into southwest LA in the last 30 minutes
    or so. Reflectivity cores have deepened/intensified on 7 km CAPPI
    and some increase in velocity signatures are also noted. Convection
    will continue to move into an uncapped airmass close to the coast
    characterized by SBCAPE around 1500 J/kg. Furthermore, increasing
    low-level rotation has been noted in cells over southeast TX ahead
    of the convective line. Tornado potential may be somewhat increased
    as these more cellular elements merge with the line in the near
    term. HGX and LCH VWP data show favorable low-level hodographs
    supporting rotation and a brief tornado or two may occur in addition
    to damaging gusts associated with the southeastward surging bow into
    southwest LA.

    ..Leitman.. 04/29/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!81dB9hFEWaeP46MvInUhIjav0iH9mBB4HQKgnGn5QTcM-a-Ll_SVEt8wP6e2EjdzojsTQt71s= bvgnEASGZNOp9Jc4Gg$ for graphic product...

    ATTN...WFO...LCH...HGX...

    LAT...LON 30339468 30479402 30719319 30819228 30559200 29889211
    29639282 29489358 29589452 29779484 30059487 30339468=20


    =3D =3D =3D
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