• MESO: Mesoscale Discussion 1416

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Monday, September 03, 2018 00:29:22
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    ACUS11 KWNS 030029
    SWOMCD
    SPC MCD 030028
    AZZ000-030200-

    Mesoscale Discussion 1416
    NWS Storm Prediction Center Norman OK
    0728 PM CDT Sun Sep 02 2018

    Areas affected...South-central Arizona

    Concerning...Severe potential...Watch unlikely

    Valid 030028Z - 030200Z

    Probability of Watch Issuance...5 percent

    SUMMARY...A marginal hail and wind damage threat will be possible
    over the next hour or two across south-central Arizona. Weather
    watch issuance is not expected this evening.

    DISCUSSION...The latest radar imagery shows a cluster of strong
    thunderstorms across south-central Arizona where some of the cells
    could be near severe levels. The RAP has a pocket of moderate
    instability across southeast Arizona where MLCAPE is in the 1000 to
    2000 J/kg range. In addition, RAP forecast soundings to the
    southeast of Phoenix have 0-6 km near 30 kt. This combined with very
    steep low-level lapse rates may support an isolated severe threat
    for a couple more hours this evening. A few strong wind gusts and
    hail will be possible. However, the threats are expected to remain
    marginal and weather watch issuance is not expected.

    ..Broyles/Thompson.. 09/03/2018

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

    ATTN...WFO...TWC...FGZ...PSR...

    LAT...LON 31531026 31701110 32071173 32691204 33521188 33911173
    34011153 34031139 33961107 33631077 32361020 31851004
    31531026



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