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  • MESO: Mesoscale Discussion 0862

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, June 24, 2018 21:19:29
    This is a multi-part message in MIME format...

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    ACUS11 KWNS 242119
    SWOMCD
    SPC MCD 242118
    ARZ000-TXZ000-OKZ000-242315-

    Mesoscale Discussion 0862
    NWS Storm Prediction Center Norman OK
    0418 PM CDT Sun Jun 24 2018

    Areas affected...+Southeastern Oklahoma...parts of southwestern Arkansas...portion of northeast Texas

    Concerning...Severe Thunderstorm Watch 212...

    Valid 242118Z - 242315Z

    The severe weather threat for Severe Thunderstorm Watch 212
    continues.

    SUMMARY...Storms have intensified across southeast Oklahoma over the
    past few hours. At least a narrow area of favorable shear and
    instability overlap exists over parts of southwestern Arkansas. An
    additional WW is likely in the next hour.

    DISCUSSION...Areas of southeast Oklahoma have been able to
    destabilize over the course of the day and storms that have moved
    into the area have increased in intensity over the last few hours.
    Areas downstream of these storms remain moderately unstable with
    MLCAPE from 2000-2500 J/kg. KSRX VAD profiles indicate 35-40 kts of
    0-6 km shear, however shear decreases with southward extent. With at
    least a corridor of favorable overlap between shear and instability
    in southwestern Arkansas, a continued threat for severe wind gusts
    will remain possible for the next few hours. An additional WW is
    likely in the next hour.

    ..Wendt.. 06/24/2018

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

    ATTN...WFO...LZK...SHV...TSA...FWD...OUN...

    LAT...LON 35439395 35189293 34629278 33929350 33439414 33149515
    33139628 33439692 34289622 34799523 35439395



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