• MESO: Mesoscale Discussion 1894

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Oct 24 23:24:38 2021
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    ACUS11 KWNS 242324
    SPC MCD 242323=20

    Mesoscale Discussion 1894
    NWS Storm Prediction Center Norman OK
    0623 PM CDT Sun Oct 24 2021

    Areas affected...Eastern OK...Northwest/West-Central AR...Far
    Northeast TX

    Concerning...Tornado Watch 532...

    Valid 242323Z - 250100Z

    The severe weather threat for Tornado Watch 532 continues.

    SUMMARY...Threat for severe thunderstorms capable of all severe
    hazards continues, particularly across northeast OK and northwest

    DISCUSSION...Regional radar imagery shows a broken line of
    thunderstorms extending from far southwest MO southwestward across
    eastern OK into north-central TX. Most updrafts have struggled to
    maintain strength thus far, but an overall strengthening/organizing
    trend is expected to begin as the line enters the slightly more
    moist and buoyant air mass across eastern OK/western AR. The early
    stage of this strengthening appears to be ongoing with the storms in
    northeast OK (from Delaware County to McIntosh County). The area
    downstream of these storms (into west-central AR) appears favorable
    for continued storm strengthening.

    Sporadic storm intensification is also possible south across
    southeast OK and adjacent far northeast TX, but low/mid-level
    temperatures are bit warmer here. These warmer temperatures could
    limit updraft strength, suggesting somewhat transient updrafts are
    more likely for the next hour or two.

    ..Mosier.. 10/24/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!saQ_Znyd5HefMCpYMC8mrbAnJgcMZBfnHwqtrG6_HNLeJhozGmw37k3LmYYGoobNfo2F-LgX$=
    for graphic product...


    LAT...LON 35749551 36479454 36609336 36409219 35579224 34289348
    33649452 33489684 35749551=20

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