• MESO: Mesoscale Discussion 0636

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, June 03, 2018 21:56:26
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    ACUS11 KWNS 032156
    SWOMCD
    SPC MCD 032156
    TXZ000-NMZ000-032300-

    Mesoscale Discussion 0636
    NWS Storm Prediction Center Norman OK
    0456 PM CDT Sun Jun 03 2018

    Areas affected...Portions of New Mexico and far West Texas

    Concerning...Severe Thunderstorm Watch 153...

    Valid 032156Z - 032300Z

    The severe weather threat for Severe Thunderstorm Watch 153
    continues.

    SUMMARY...Strong to severe thunderstorms will continue to pose
    primarily a severe wind and large hail threat as they move eastward
    through WW #153 into the evening.

    DISCUSSION...Latest radar imagery shows several areas of strong to
    severe thunderstorms ongoing across portions of WW #153. The
    greatest concentration of stronger storms is currently located
    across portions of central New Mexico -- where mesoanalysis suggests
    500-1500 J/kg of MLCAPE coupled with effective bulk shear values in
    excess of 40 knots. This activity has remained relatively isolated
    from neighboring convection, which has lead to persistent
    supercellular structures. Once such supercell is currently located
    in Socorro/Valencia county New Mexico, and is exhibiting a bounded
    weak echo signature in radar, which is indicative of a very strong
    updraft. This is further supported by MRMS MESH, which suggests some
    potential for very large hail (e.g., in excess of 2 inches). While
    an isolated tornado can not be entirely ruled out, the primary
    threats with the strongest storms are severe wind gusts and large
    hail.

    To the south, thunderstorm mode becomes more linear with an
    eastward-moving cluster of thunderstorms that will soon enter
    portions of far West Texas from Mexico. While isolated severe hail
    is possible with this activity, the primary threat may transition to
    severe wind gusts as the cluster continues to grow upscale. This
    activity may congeal with the isolated supercells over New Mexico
    into a forward propagating MCS later this evening with a continued
    risk of strong/severe wind gusts.

    ..Elliott.. 06/03/2018

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

    ATTN...WFO...MAF...ABQ...EPZ...

    LAT...LON 35670766 35990723 35990617 35560517 34740445 30720312
    29330376 29330406 29640449 30380483 30930550 31630640
    31810726 33160780 34850812 35670766



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