• MESO: Mesoscale Discussion 0981

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, July 01, 2018 23:22:54
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    ACUS11 KWNS 012322
    SWOMCD
    SPC MCD 012322
    TXZ000-NMZ000-020115-

    Mesoscale Discussion 0981
    NWS Storm Prediction Center Norman OK
    0622 PM CDT Sun Jul 01 2018

    Areas affected...Portions of West/North Texas and far Southeast New
    Mexico

    Concerning...Severe potential...Watch unlikely

    Valid 012322Z - 020115Z

    Probability of Watch Issuance...5 percent

    SUMMARY...Storms are forming near a surface front as convective
    temperatures are being reached. Damaging winds are possible.

    DISCUSSION...Storms continue to develop near a surface front and
    along outflow boundaries across portions of West/North Texas as
    areas reach their convective temperatures. There are very weak
    flow/shear and higher heights/temperatures aloft along the western
    extent of the Bermuda High. A well-mixed boundary layer, steep
    low-level lapse rates (9+ C/km), high LCLs (~3 km AGL), and DCAPE of
    1000-1500 J/kg per RAP soundings/mesoanalysis indicate the potential
    for downbursts and strong wind gusts with hail also possible. Most
    updrafts will struggle to sustain themselves and organize given the
    weak shear/buoyancy (effective bulk shear < 20 knots; MLCAPE of
    400-800 J/kg) and dry-air at low and mid-levels. Convection should
    diminish after sunset, and the severe risk should remain isolated
    with a watch issuance unnecessary.

    ..Nauslar/Thompson.. 07/01/2018

    ...Please see www.spc.noaa.gov for graphic product...

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

    LAT...LON 34230357 34470281 34350221 33900175 33720114 33690057
    33719894 33719844 33689791 32909775 32439866 31929964
    31250058 30860104 30340167 30110199 30180253 31150249
    32130282 32480344 33710375 34230357



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