• MESO: Mesoscale Discussion 0716

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thu May 9 00:29:21 2024
    ACUS11 KWNS 090029
    SWOMCD
    SPC MCD 090029=20
    TNZ000-ALZ000-KYZ000-MSZ000-MOZ000-ARZ000-090130-

    Mesoscale Discussion 0716
    NWS Storm Prediction Center Norman OK
    0729 PM CDT Wed May 08 2024

    Areas affected...central and northern Arkansas...and western/Middle
    Tennessee

    Concerning...Severe potential...Tornado Watch likely=20

    Valid 090029Z - 090130Z

    Probability of Watch Issuance...95 percent

    SUMMARY...A band of severe/rotating storms from the Ozarks to far
    eastern Oklahoma, and developing convection across the western
    Tennessee area in soon-to-expire WW 209, will require new Tornado
    Watch issuance.

    DISCUSSION...Latest Springfield, MO (KSGF) radar loop shows a band
    of severe/supercell storms moving across south-central Missouri and northwestern Arkansas. Meanwhile, convection is gradually
    increasing farther east, across western Tennessee.=20=20

    The airmass across this region remains very unstable, with
    mixed-layer CAPE in the 3000 to 4000 J/kg range. This should be
    more than sufficient to sustain vigorous updrafts, support CAM runs
    which increase convective coverage over the next several hours.=20
    Strong deep-layer winds will support organized convection, with an
    all-hazards severe risk likely to continue through the evening and
    into the overnight hours -- warranting new tornado watch issuance
    across this region.

    ..Goss/Hart.. 05/09/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_14xWNkY3u8ffF1MxKi-jhEgdZwK2XuKseqMT1Qu9xuzCCny7p2MAPAOIEUqDVeF-0Cpz2LoF= ziJT8N023i3CC98PBM$ for graphic product...

    ATTN...WFO...MRX...OHX...HUN...PAH...MEG...LZK...SGF...SHV...

    LAT...LON 36399273 36599029 36568440 35438492 34898810 34779015
    33939349 34739361 36399273=20


    =3D =3D =3D
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