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  • MESO: Mesoscale Discussion 1232

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Jun 24 02:52:58 2023
    ACUS11 KWNS 240252
    SWOMCD
    SPC MCD 240252=20
    NEZ000-SDZ000-COZ000-240415-

    Mesoscale Discussion 1232
    NWS Storm Prediction Center Norman OK
    0952 PM CDT Fri Jun 23 2023

    Areas affected...portions of western Nebraska and far southern South
    Dakota

    Concerning...Tornado Watch 362...365...

    Valid 240252Z - 240415Z

    The severe weather threat for Tornado Watch 362, 365 continues.

    SUMMARY...Scattered severe storms will continue to pose a risk for
    large hail damaging winds and a tornado or two this evening. Greater
    wind damage potential may evolve as storms congeal tonight.

    DISCUSSION...As of 0245 UTC, scattered severe storms were ongoing
    across portions of western NE. Several supercells have been noted
    and should continue to pose a wind and hail risk within the
    favorable CAPE/shear parameter space tonight. Recent HRRR runs show
    additional storm development over northern CO may merge and grow
    upscale with the ongoing NE storms. Damaging wind potential should
    increase as outflow consolidates and surface cold pools strengthen.
    Area VADs have also shown an increase in low-level hodograph size
    this evening, likely in response to the low-level jet and increasing broad-scale ascent. 0-1km SRH of 150-200 m2/s2 may support a tornado
    or two, especially with the more discrete supercells. Though
    increasing storm interactions lend much lower confidence in the
    tornado potential with time.

    ..Lyons.. 06/24/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!46hbW69p6eYdUS0vjkeQs0KfKJWxC3EAf1Do9LC-Ud7joUQvZuGlOVWGBdd2uUQq6R6-ATRwl= geMKwZhnRN7qmyXZxE$ for graphic product...

    ATTN...WFO...LBF...UNR...BOU...CYS...

    LAT...LON 40930282 41150358 41670396 41960402 42300398 42530380
    42990294 43330162 43350052 43049979 41979976 41509988
    41110014 40750076 40690135 40690175 40790217 40880252
    40930282=20


    =3D =3D =3D
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