• MESO: Mesoscale Discussion 1224

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Jul 10 03:27:00 2021
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    ACUS11 KWNS 100326
    SWOMCD
    SPC MCD 100326=20
    ILZ000-MOZ000-100430-

    Mesoscale Discussion 1224
    NWS Storm Prediction Center Norman OK
    1026 PM CDT Fri Jul 09 2021

    Areas affected...Northeast and central Missouri

    Concerning...Tornado Watch 359...

    Valid 100326Z - 100430Z

    The severe weather threat for Tornado Watch 359 continues.

    SUMMARY...Potential for severe/significant winds is increase in
    parts of central/eastern Missouri as a broad mesocyclone continues
    to develop and move south/southeastward.

    DISCUSSION...A broad mesocyclone is evident on KLSX radar velocity
    imagery roughly centered in Ralls County, MO. As this feature
    continues southward into a moderate to strongly unstable
    environment, the potential for significant wind gusts will increase
    in portions of central/eastern Missouri. The 00Z SGF sounding
    sampled 8+ C/km lapse rates with MLCAPE around 3000 J/kg. Strong
    downdrafts will continue to be favored in this environment,
    particularly as effective shear remains at 35-40 kts. Though storm
    mode has become linear, KLSX VAD profile continues to show enough
    low-level veering to support a threat for QLCS circulations and
    brief tornadoes.

    ..Wendt.. 07/10/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!sYMp269Flklztw0TrJeK-PGYw77VMrj2i9b6GxqsrWyix0cflEEATliVKRo4A6u3rRl0lNTm$=
    for graphic product...

    ATTN...WFO...ILX...LSX...SGF...EAX...

    LAT...LON 40469325 40129236 39909145 40189083 40238984 39758944
    38688999 38309040 38009143 38319227 38669285 40469325=20



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