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  • MESO: Mesoscale Discussion 1276

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, August 12, 2018 03:19:05
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    ACUS11 KWNS 120319
    SWOMCD
    SPC MCD 120318
    AZZ000-NVZ000-CAZ000-120445-

    Mesoscale Discussion 1276
    NWS Storm Prediction Center Norman OK
    1018 PM CDT Sat Aug 11 2018

    Areas affected...Southern Nevada and Far Southeast California

    Concerning...Severe potential...Watch unlikely

    Valid 120318Z - 120445Z

    Probability of Watch Issuance...5 percent

    SUMMARY...A cluster of storms continues moving west-southwest into
    far southern Nevada/southeast California. Strong wind gusts are the
    main threat.

    DISCUSSION...A cluster of storms has accelerated over southern
    Nevada approaching from the northeast, and another cluster of storms
    is moving/developing westward across far southern Nevada/southeast
    California. Both clusters have produced strong/severe wind gusts and
    there have been reports of dust storms in northwest Arizona. There
    is some indication a cold pool has formed behind the northern storm
    cluster, which would increase the wind threat. Additionally, 40-50+
    F surface dewpoint depressions, steep low-level lapse rates, and
    DCAPE of 1500-2000 J/kg all support possible severe wind gusts.
    These storms should continue over the next 1-2 hours before
    weakening in a less buoyant/moist environment in southeast
    California/far southwest Nevada. Given the small spatial/temporal
    threat of severe weather, a watch issuance is unlikely.

    ..Nauslar/Grams.. 08/12/2018

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

    ATTN...WFO...VEF...

    LAT...LON 34901576 35571603 36791591 37081575 37161527 37231479
    37201455 36691452 35931455 35061446 34541458 34531519
    34901576



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