• MESO: Mesoscale Discussion 0366

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, March 31, 2022 01:33:54
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    ACUS11 KWNS 310133
    SWOMCD
    SPC MCD 310133=20
    ALZ000-MSZ000-310230-

    Mesoscale Discussion 0366
    NWS Storm Prediction Center Norman OK
    0833 PM CDT Wed Mar 30 2022

    Areas affected...Far eastern Mississippi and far western Alabama.

    Concerning...Tornado Watch 80...

    Valid 310133Z - 310230Z

    The severe weather threat for Tornado Watch 80 continues.

    SUMMARY...Locally higher tornado threat over the next 1 to 2 hours.

    DISCUSSION...A supercell has developed strong low-level rotation in
    far northwest Greene County, Alabama. This cell will be absorbed by
    the main squall line in the next 15 minutes or so when it becomes
    less clear how the evolution will continue. At a minimum, an
    increased threat for significant wind is possible in the vicinity of
    this storm merger.

    Farther south, a line embedded supercell is moving from Lauderdale
    county Mississippi into Sumter county, Alabama. This storm has had
    the tallest echo tops for awhile, and has had a few TDS observed
    across Lauderdale county. The environment ahead of this storm
    remains favorable for tornadoes. In fact, low-level flow has
    recently backed in this region which further increases low-level
    streamwise vorticity. Therefore, this storm will continue to pose a
    tornado threat, and potentially a strong tornado threat over the
    next 1 to 2 hours.

    ..Bentley.. 03/31/2022

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!oMkHOgZuWfPJHjvaXQygYYD-MroH0Ndn3h9n2nMjXpcx3w2BzHCDlEMpoyp5TeVkOLxtmStl$=
    for graphic product...

    ATTN...WFO...BMX...MOB...JAN...

    LAT...LON 33208854 33498820 33498776 33058765 32408779 32128815
    32098851 32138868 32308874 32768859 33208854=20



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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Monday, March 27, 2023 01:31:26
    ACUS11 KWNS 270131
    SWOMCD
    SPC MCD 270130=20
    GAZ000-270230-

    Mesoscale Discussion 0366
    NWS Storm Prediction Center Norman OK
    0830 PM CDT Sun Mar 26 2023

    Areas affected...Parts of northern and central Georgia

    Concerning...Severe Thunderstorm Watch 90...

    Valid 270130Z - 270230Z

    The severe weather threat for Severe Thunderstorm Watch 90
    continues.

    SUMMARY...Threat of large hail continues across portions of
    north-central Georgia (in Severe Thunderstorms Watch 90) this
    evening.

    DISCUSSION...Latest KFFC radar data shows ongoing left-mover
    supercells tracking northeastward across north-central GA -- some of
    which are approaching the Atlanta metro area this evening. The FFC
    00Z observed sounding and FFC VWP indicate long/mostly straight
    hodographs for slightly elevated storms, which remains favorable for
    large hail (1-1.5 inches/locally 2 inches) given the modest buoyancy
    over the area.

    ..Weinman.. 03/27/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-44BUP2b-aoVExby-ypUBJSMJSciNgpBLwjpqONCXMoKsdgwEBtxTVACwy9RP6BDzG5sz-l_z= ARuq-9uWMzfinzRoJQ$ for graphic product...

    ATTN...WFO...FFC...

    LAT...LON 33038385 33138419 33188451 33228487 33248523 33498530
    33908508 34068473 34118436 34058381 33948309 33738293
    33518331 33168358 33038385=20


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