• MESO: Mesoscale Discussion 2014

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Dec 11 08:51:38 2021
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    ACUS11 KWNS 110851
    SWOMCD
    SPC MCD 110851=20
    KYZ000-110945-

    Mesoscale Discussion 2014
    NWS Storm Prediction Center Norman OK
    0251 AM CST Sat Dec 11 2021

    Areas affected...portions of east-central KY

    Concerning...Tornado Watch 561...

    Valid 110851Z - 110945Z

    The severe weather threat for Tornado Watch 561 continues.

    SUMMARY...Damaging wind gusts and a tornado or two remain possible
    across WW 561.

    DISCUSSION...A supercell over Marion County Kentucky has shown
    periods of strong rotation with a tornado debris signature noted
    over the past 15-30 minutes. Rotation associated with this storm has
    recently weakened as it continues northeast into eastern portions of
    the Louisville CWA. This is likely due to weaker low-level
    instability as surface dewpoints drop off rather quickly from the
    mid 60s to upper 50s/low 60s. While the cluster of storms over
    central KY may still produce strong, damaging gusts, the narrowing
    warm sector downstream may begin to limit stronger tornado potential
    over the next 1-2 hours.

    ..Leitman.. 12/11/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!ukfeCzKAyFiqxWrEtcJYXpgo5dY0WM6fpHljER41nqad_0Y7dlCokboY1FcLRjja70sXXmcl$=
    for graphic product...

    ATTN...WFO...JKL...LMK...

    LAT...LON 37758512 37978464 38088434 38128406 38038388 37898380
    37748387 37568399 37418441 37318484 37328503 37358519
    37478526 37758512=20



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