• MESO: Mesoscale Discussion 0308

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Tue Mar 31 19:27:04 2026
    ACUS11 KWNS 311927
    SWOMCD
    SPC MCD 311926=20
    OKZ000-TXZ000-312200-

    Mesoscale Discussion 0308
    NWS Storm Prediction Center Norman OK
    0226 PM CDT Tue Mar 31 2026

    Areas affected...parts of the eastern Texas Panhandle and northwest
    Texas into sothwest Oklahoma

    Concerning...Severe potential...Watch likely=20

    Valid 311926Z - 312200Z

    Probability of Watch Issuance...80 percent

    SUMMARY...Storms are expected to form after 21Z, with large hail and
    locally damaging gusts possible through early evening. A brief
    tornado cannot be ruled out.

    DISCUSSION...Surface analysis shows a cold front moving south across
    western OK and the TX Panhandle, with a dryline extending south from
    the surface low west of KCDS. Temperatures have warmed into the mid
    80s F across the warm sector, with dewpoints holding in the 50s F.
    Given cool midlevel temperatures, this is resulting in a deep layer
    of steep lapse rates. MLCAPE will continue to rise perhaps into the
    1500-2000 J/kg range. Satellite imagery shows CU already beginning
    to form beneath the cirrus as of 1930Z.

    Storms will likely form near the surface low and sporadically
    southward along the dryline into parts of the South Plains after
    21Z. These may be initially high based, but backing and
    strengthening low-level winds will maintain or increase dewpoints
    into the well-mixed boundary layer. The air mass should remain
    sufficiently uncapped into southwest OK and northwest TX to
    sustained any ongoing cells, although capping will become a factor
    after sunset and with eastward extent into the cooler/more moist air
    mass.

    At least for a few hours, slow-moving cells may produce large hail,
    and perhaps a tornado especially near the low or as storms
    potentially propagate east along the sinking cold front. The warm
    air mass and deep mixed layer suggest severe gust potential as well.

    ..Jewell/Hart.. 03/31/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-wobU4dMYHZf3sY-TR6SC1jkXpMVam1SD6nOMzFX_9ebNCtu3yLSKxaeROkYMHhnbmmwh_OTq= RJCtZA3W_VNhXXHLyM$ for graphic product...

    ATTN...WFO...OUN...LUB...AMA...

    LAT...LON 33540111 35030087 35130052 35419990 35829935 36009891
    35889829 35449828 34309894 33749942 33499988 33330050
    33540111=20

    MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
    MOST PROBABLE PEAK WIND GUST...55-70 MPH
    MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN


    =3D =3D =3D
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