• MESO: Mesoscale Discussion 0332

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, March 24, 2022 03:01:40
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    ACUS11 KWNS 240301
    SWOMCD
    SPC MCD 240301=20
    VAZ000-NCZ000-SCZ000-240400-

    Mesoscale Discussion 0332
    NWS Storm Prediction Center Norman OK
    1001 PM CDT Wed Mar 23 2022

    Areas affected...western NC into parts of VA

    Concerning...Tornado Watch 69...

    Valid 240301Z - 240400Z

    The severe weather threat for Tornado Watch 69 continues.

    SUMMARY...A tornado and/or isolated strong wind gusts remain
    possible for another hour or so across Tornado Watch 69.

    DISCUSSION...A couple of supercells continue to track northeast
    within a modestly unstable, strongly sheared environment across
    western NC this evening. Regional VWP data indicates 0-1 km SRH
    around 250 m2/s2 with enlarged low-level hodographs, suggesting
    rotation may continue in the short term. However, more favorable
    low-level shear is expected to diminish/lift northeast over the next
    1-2 hours. Additionally, recent lightning trends have decreased
    across the region and other convection in the area has weakened,
    indicating modest ascent is in fact starting to shift away from the
    region. The overall expectation is that storms will gradually weaken
    over the next hour and the severe threat should diminish by around
    04z. A new watch/local extensions are not currently expected.

    ..Leitman.. 03/24/2022

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!qnXZwdFep6ns4UlLOUb4_rBAewwKlJfOgNQwc467U-HeD-PXeD8pvaRPd02NmGHePvkqwvrz$=
    for graphic product...

    ATTN...WFO...RAH...RNK...GSP...

    LAT...LON 37077965 35588091 35198145 35188237 35398235 36158143
    36808058 37158002 37177977 37077965=20



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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, March 25, 2023 02:27:35
    ACUS11 KWNS 250227
    SWOMCD
    SPC MCD 250227=20
    MSZ000-250330-

    Mesoscale Discussion 0332
    NWS Storm Prediction Center Norman OK
    0927 PM CDT Fri Mar 24 2023

    Areas affected...Parts of north-central into northeastern MS

    Concerning...Tornado Watch 76...

    Valid 250227Z - 250330Z

    The severe weather threat for Tornado Watch 76 continues.

    SUMMARY...Strong to intense (EF2-EF3) tornado threat should continue northeastward across parts of north-central and northeastern MS in a
    favorable environment.

    DISCUSSION...An intense northeastward-moving tornadic supercell is
    ongoing across Carroll County MS, with recent VROTs around 70 kt and deep/well-defined TDS. This storm still has plenty of residence time
    in the open warm sector as boundary-layer moisture surges north into north-central into northeastern MS -- characterized by middle/upper
    60s surface dewpoints. This favorable boundary-layer moisture,
    coupled with large looping hodographs (around 400 m2/s2 0-1 km SRH)
    sampled by the GWX VWP should support a continued threat of a strong
    to intense tornado during the next 30-60 min.

    ..Weinman.. 03/25/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6P8PJ_gFoMvQkRPTPfAVFsO-5Yk1w-uPI38PsGQJ7QDctokUgZusZak9wT1ZlMqCZmsR_yFvj= KbRy8paEEsqmWB42QI$ for graphic product...

    ATTN...WFO...MEG...JAN...

    LAT...LON 33598997 33828970 34078903 34118863 34028847 33778847
    33468916 33328949 33228993 33409007 33598997=20


    =3D =3D =3D
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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tuesday, April 02, 2024 01:03:26
    ACUS11 KWNS 020103
    SWOMCD
    SPC MCD 020102=20
    MOZ000-ARZ000-OKZ000-KSZ000-020230-

    Mesoscale Discussion 0332
    NWS Storm Prediction Center Norman OK
    0802 PM CDT Mon Apr 01 2024

    Areas affected...northeast Oklahoma...far southeast
    Kansas...southwest Missouri...and far northwest Arkansas.

    Concerning...Tornado Watch 65...67...

    Valid 020102Z - 020230Z

    The severe weather threat for Tornado Watch 65, 67 continues.

    SUMMARY...The tornado threat is increasing across northeast Oklahoma
    into southwest Missouri.

    DISCUSSION...A line of storms with embedded supercells has developed
    from southeast Kansas into northeast Oklahoma. Low-level shear has
    increased substantially since 00Z with 0-1 SRH increasing from 150
    m2/s2 to 250 m2/s2 on the INX VWP. Low-level shear will increase
    further as the low-level jet strengthens to near 50 knots later this
    evening. Therefore, expect the tornado threat to increase as these
    supercells move northeast.

    ..Bentley.. 04/02/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5HFXvjsFp7mvY22yiuPML5zG_WKGy9bt8SFdnu76uzc0Y3iXiET0chMnNfTIWYUAdCGbPFm8G= hvtyFSQh0pcUvlKp58$ for graphic product...

    ATTN...WFO...LZK...SGF...TSA...ICT...

    LAT...LON 35909507 36209655 37309575 37979400 37939269 36869264
    35999365 35869444 35909507=20


    =3D =3D =3D
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