• MESO: Mesoscale Discussion 0544

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, May 27, 2018 22:30:54
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    ACUS11 KWNS 272230
    SWOMCD
    SPC MCD 272230
    TXZ000-OKZ000-KSZ000-NEZ000-COZ000-NMZ000-280030-

    Mesoscale Discussion 0544
    NWS Storm Prediction Center Norman OK
    0530 PM CDT Sun May 27 2018

    Areas affected...Eastern Colorado...Western Kansas...Southwest Nebraska...Oklahoma Panhandle...Northern Texas Panhandle

    Concerning...Severe Thunderstorm Watch 124...

    Valid 272230Z - 280030Z

    The severe weather threat for Severe Thunderstorm Watch 124
    continues.

    SUMMARY...A threat for severe wind gusts and hail will continue for
    portions of WW 124, particularly the northern portions. Storms are
    expected to grow upscale within the next few hours.

    DISCUSSION...Ongoing storms within WW 124 have shown sustained MRMS
    MESH values at or above an inch over the last hour or two. An
    approaching mid-level wave and associated speed max have contributed
    to ample 0-6 km shear values of 40-50 kts -- per KCYS and KFTG VAD
    profiles -- allowing storms to remain organized in northeast
    Colorado. Current expectations are for these storms to continue and
    eventually grow upscale with the onset of a modestly strengthening southeasterly LLJ. Large hail and damaging winds will continue to be
    the main threats.

    Further south into southeast Colorado, dewpoints have fallen into
    the 30s and 40s over the past few hours, and further development of
    convection is unlikely. Into southwestern Kansas and the Texas and
    Oklahoma Panhandles, some convection is ongoing, but exists within
    an environment of only 30-35 kts of 0-6 km shear. Any storms that
    continue may congeal into a loosely organized line within the next
    few hours and may pose an isolated hail/wind threat.

    ..Wendt/Gleason.. 05/27/2018

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...LBF...DDC...GLD...AMA...PUB...BOU...ABQ...

    LAT...LON 35240024 35090068 35030152 35110215 35400249 36930309
    37690336 38730430 39260468 39900544 40180572 40750584
    40970561 40930223 40610175 39980154 38000084 36240030
    35590004 35240024



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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sunday, May 05, 2019 20:54:31
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    ACUS11 KWNS 052054
    SWOMCD
    SPC MCD 052054
    KSZ000-052300-

    Mesoscale Discussion 0544
    NWS Storm Prediction Center Norman OK
    0354 PM CDT Sun May 05 2019

    Areas affected...West-central KS

    Concerning...Severe potential...Watch possible

    Valid 052054Z - 052300Z

    Probability of Watch Issuance...60 percent

    SUMMARY...Thunderstorm initiation is possible across west-central KS
    by 21-22Z. A conditional supercell threat exists if a storm forms.
    Watch issuance is possible later this afternoon.

    DISCUSSION...Towering cumulus has recently been noted across
    west-central KS, to the north of Great Bend. The potential for
    initiation in the short term remains uncertain, given only weak
    surface confluence noted in recent surface obs, but continued
    heating should mostly remove any remaining MLCINH, so at least
    isolated thunderstorm development is possible across this region
    prior to 23Z. With moderate-to-strong instability (MLCAPE of
    2000-2500 J/kg) and effective shear of 35-45 kt, a conditional
    supercell threat will exist should any storms initiate. Very large
    hail would be the primary threat, given steep midlevel lapse rates
    and relatively cold midlevel temperatures.

    Watch issuance is possible across this region, due to the potential
    for initiation in the short-term, and also for the potential for
    severe thunderstorms to develop upstream and move into this area
    toward evening.

    ..Dean/Guyer.. 05/05/2019

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...ICT...GID...DDC...

    LAT...LON 38369920 38729910 39119896 39139868 39189823 38089823
    37699845 37579868 37489894 37469927 37589956 37749945
    37939936 38369920



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