• MESO: Mesoscale Discussion 1291

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wednesday, August 15, 2018 04:12:41
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    ACUS11 KWNS 150412
    SWOMCD
    SPC MCD 150412
    NMZ000-150515-

    Mesoscale Discussion 1291
    NWS Storm Prediction Center Norman OK
    1112 PM CDT Tue Aug 14 2018

    Areas affected...Parts of northeast New Mexico

    Concerning...Severe potential...Watch unlikely

    Valid 150412Z - 150515Z

    Probability of Watch Issuance...5 percent

    SUMMARY...Isolated damaging gusts and brief hail possible for an
    hour or two more this evening. A watch is not anticipated.

    DISCUSSION...A small linear/bowing cluster is moving east/southeast
    across Colfax Co, NM around 20 kt late this evening. Despite
    increasing surface-based inhibition, forced ascent along the leading
    edge of the system's cold pool has been sufficient for parcels to
    utilize weak elevated buoyancy. Additionally, an embedded bookend
    vortex south of Raton is likely enhancing rear inflow into the
    system. Combined with residual steep lapse rates above a thin,
    nocturnally cooled surface layer, this convective system evolution
    has been favorable for a few stronger gusts, with even a severe gust
    (50 kt) reported at KRTN at 0338Z. Isolated damaging gusts and brief
    hail may remain possible for another hour or two, before further
    nocturnal destabilization ends the threat.

    ..Picca/Grams.. 08/15/2018

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

    ATTN...WFO...ABQ...

    LAT...LON 36750494 36880436 36880374 36620341 36080319 35730341
    35700423 36140475 36750494



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