• MESO: Mesoscale Discussion 1999

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Dec 11 03:49:07 2021
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    ACUS11 KWNS 110349
    SWOMCD
    SPC MCD 110348=20
    KYZ000-110445-

    Mesoscale Discussion 1999
    NWS Storm Prediction Center Norman OK
    0948 PM CST Fri Dec 10 2021

    Areas affected...Portions of western Kentucky

    Concerning...Tornado Watch 552...554...

    Valid 110348Z - 110445Z

    The severe weather threat for Tornado Watch 552, 554 continues.

    SUMMARY...A strong to potentially violent tornado is ongoing and
    expected to continue for at least another hour.

    DISCUSSION...A strong supercell with a history of a long-track
    tornado with intense to potentially violent damage has recently
    intensified once again across southwest Kentucky. Latest radar and environmental analysis give high confidence that an intense to
    potentially violent tornado has occurred across southwest Kentucky.
    The radar presentation of this storm continues to be extremely
    favorable for continued intense, long-lived tornadoes. Nearby
    convection has mostly dissipated which may allow a more steady-state
    to continue as it moves northeast. The downstream environment
    remains very favorable with upper 60s to low 70s dewpoints and
    backed surface winds with STP around 5 to 6. Eventually, expect
    storm activity to the west to catch this supercell, but until that
    happens, continued strong to potentially violent tornadic damage is
    expected to continue along its path.

    ..Bentley.. 12/11/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!vcSr_JdSi6heOmQCmXhlTz8c8v7NtPZ1LnSbwY0OwPkbU7QzG-g7xTIluVLBREed1P9-7Ykn$=
    for graphic product...

    ATTN...WFO...PAH...

    LAT...LON 36818874 37308804 37518752 37328727 37018769 36638861
    36648879 36688887 36818874=20



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