• MESO: Mesoscale Discussion 1135

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sun Jun 2 22:01:11 2024
    ACUS11 KWNS 022201
    SWOMCD
    SPC MCD 022200=20
    NEZ000-COZ000-030000-

    Mesoscale Discussion 1135
    NWS Storm Prediction Center Norman OK
    0500 PM CDT Sun Jun 02 2024

    Areas affected...Far Northeast Colorado...Western and Central
    Nebraska

    Concerning...Severe Thunderstorm Watch 375...

    Valid 022200Z - 030000Z

    The severe weather threat for Severe Thunderstorm Watch 375
    continues.

    SUMMARY...A severe threat is likely to continue for several more
    hours from far northeast Colorado into western and central Nebraska.
    Large hail and severe wind gusts will be the primary threats.

    DISCUSSION...The latest hi-resolution radar imagery from North
    Platte shows a cluster of strong to severe thunderstorms in far
    northeast Colorado and western Nebraska, where at least two
    supercells are ongoing. The storms are located along the western
    edge of a moist airmass. Surface dewpoints within this airmass are
    in the lower 60s F and the RAP is analyzing MLCAPE in the 2000 to
    3000 J/kg range. As the storms move eastward into more instability
    over the next few hours, the overall intensity of the cluster is
    expected to be maintained. The 20Z special sounding at North Platte,
    NE and RAP forecast soundings into early evening in same area have
    0-6 km shear of 40 to 45 knots with 700-500 mb lapse rates around
    8.5 C/km. This will support supercell development, with a potential
    for isolated large hail and severe wind gusts. The threat for severe
    gusts may increase if a cold pool can organize across western and
    central Nebraska.

    ..Broyles.. 06/02/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8b3g2TxFK6oez8huofVKnt6CzmqR1wmlzmfoj_RNxlh4A9A6rjiqRU0J8SCDRKpTQAICA-Z_W= _NBXtar2scH6BBDUjE$ for graphic product...

    ATTN...WFO...GID...LBF...BOU...CYS...

    LAT...LON 40610033 40430136 40500246 40590293 40840330 41240312
    41720260 42200250 42490238 42680185 42720086 42620001
    42299960 41759953 41029979 40610033=20


    =3D =3D =3D
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