• MESO: Mesoscale Discussion 0233

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Mar 2 23:44:25 2023
    ACUS11 KWNS 022344
    SWOMCD
    SPC MCD 022343=20
    TXZ000-OKZ000-030145-

    Mesoscale Discussion 0233
    NWS Storm Prediction Center Norman OK
    0543 PM CST Thu Mar 02 2023

    Areas affected...central and north Texas

    Concerning...Tornado Watch 55...

    Valid 022343Z - 030145Z

    The severe weather threat for Tornado Watch 55 continues.

    SUMMARY...The risk for all severe hazards continues across Tornado
    Watch 55.

    DISCUSSION...A line of severe thunderstorms extended across North
    Texas from Gainesville to Weatherford to near San Saba at 2335z.=20
    Severe wind gusts and isolated large hail have been reported with
    this line, and intermittent areas of low-level rotation have also
    been noted since 2230z. The downstream environment remains strongly
    sheared and with moderate MLCAPE, thus the severe threat will
    continue as storms approach the I-35 corridor over the next 1-2
    hours. Additionally, low-level SRH should increase ahead of the
    line through early evening as a surface low consolidates and lifts
    northeast across central/northeast TX. This trend may contribute to
    an increased potential for QLCS circulations within bowing segments,
    with an enhanced risk for wind damage and a tornado.

    ..Bunting.. 03/02/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8mkfcQKYc_EeAgj6GGxCL7SvHXyts7unXGKTzAQfsEVzPGJ2-sp_tC6vxEGBX0pfXywcT58za= C0DiCCuTt2jmsRL-6g$ for graphic product...

    ATTN...WFO...FWD...OUN...SJT...

    LAT...LON 31349742 31109816 31419861 31779873 32219884 32659814
    33089794 33449756 33859712 33799653 33109625 32419624
    31849648 31349742=20


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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu Mar 14 18:35:21 2024
    ACUS11 KWNS 141835
    SWOMCD
    SPC MCD 141834=20
    KYZ000-OHZ000-INZ000-141930-

    Mesoscale Discussion 0233
    NWS Storm Prediction Center Norman OK
    0134 PM CDT Thu Mar 14 2024

    Areas affected...parts of far southeastern IN...southwest OH and
    northern KY

    Concerning...Severe Thunderstorm Watch 41...

    Valid 141834Z - 141930Z

    The severe weather threat for Severe Thunderstorm Watch 41
    continues.

    SUMMARY...An ongoing supercell may pose a locally higher risk for
    tornadoes, damaging winds and hail for another few hours before
    weakening.

    DISCUSSION...As of 1825 UTC, regional radar showed downscale growth
    of the previous squall line has resulted in a robust supercell over
    parts of Switzerland County IN and Gallatin county KY. A tornado has
    recently been reported with this storm and radar trends indicate a
    strong mesocyclone with VROTS approaching 50 kt. This supercell may
    persist and present a locally higher risk for tornadoes, damaging
    gusts and hail over the next couple of hours. Low-level shear also
    remains strong along the trialing outflow which will continue to
    favor a supercell mode. At the nose of an instability gradient, the
    storm will eventually outpace the warm sector and should begin to
    slowly weaken. Convective trends will continue to be monitored,
    though a locally higher risk for severe weather is likely over parts
    of southwest OH and northern KY until the storm weakens. A further
    local extension of WW41 may need to be coordinated.

    ..Lyons.. 03/14/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9ifSNev1YxZCUBvdGeGwew3VgLPE-pR1rvu4VXFfcj_gUJ5TFFOkIqjRsbJlYoNgj0P3OgpBB= vfVDBAwWCt3QWVHvF0$ for graphic product...

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

    LAT...LON 38358403 38408445 38438468 38548511 38608520 38648527
    38798525 38868519 38928508 38958487 38978443 38928412
    38908399 38858387 38768378 38698374 38548380 38428393
    38358403=20


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