• MESO: Mesoscale Discussion 1659

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, August 06, 2022 02:59:38
    ACUS11 KWNS 060259
    SWOMCD
    SPC MCD 060258=20
    MNZ000-SDZ000-NDZ000-060430-

    Mesoscale Discussion 1659
    NWS Storm Prediction Center Norman OK
    0958 PM CDT Fri Aug 05 2022

    Areas affected...Northern Plains

    Concerning...Severe Thunderstorm Watch 517...

    Valid 060258Z - 060430Z

    The severe weather threat for Severe Thunderstorm Watch 517
    continues.

    SUMMARY...Wind/hail threat continue with storms this evening.

    DISCUSSION...Thunderstorms continue to develop/focus along a
    corridor from south-central SD into north-central MN. Over the last
    hour or so MRMS data suggests hail cores have gradually waned with
    most storms producing less than 1 inch hail. However, instability
    has yet to be overturned along this zone, and with the LLJ focused
    into this region, it appears convection will likely continue well
    into the early morning hours. Most robust convection should remain
    confined to the instability axis. Marginally severe hail and locally
    severe wind gusts remain possible.

    ..Darrow.. 08/06/2022

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-OlkQ3-SxW00Gy1qZs2QyhRXvfJQje8O8_xHtW_YO0hImevgiX63lviQWoYynezJE-_kTZIwJ= gJiaYU1axlZPEtgbKc$ for graphic product...

    ATTN...WFO...DLH...FGF...FSD...ABR...BIS...UNR...

    LAT...LON 43230227 47099717 47119452 43229988 43230227=20


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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Friday, July 21, 2023 07:29:18
    ACUS11 KWNS 210729
    SWOMCD
    SPC MCD 210728=20
    OKZ000-KSZ000-TXZ000-COZ000-NMZ000-210900-

    Mesoscale Discussion 1659
    NWS Storm Prediction Center Norman OK
    0228 AM CDT Fri Jul 21 2023

    Areas affected...Northwest OK/OK Panhandle...Northern TX Panhandle...Southwest/South-Central KS...Far Southeast CO

    Concerning...Severe Thunderstorm Watch 531...

    Valid 210728Z - 210900Z

    The severe weather threat for Severe Thunderstorm Watch 531
    continues.

    SUMMARY...Threat for damaging gust continues across northwest OK and
    far south-central KS. Some isolated hail and/or damaging gusts
    possible across far southeast CO and adjacent portions of far
    northeast NM, far western OK Panhandle, and far southwest KS.

    DISCUSSION...Well-organized convective line continues to push
    southeastward into northwest OK and far south-central KS. Several
    severe gusts have been noted with this line over the past hour,
    including a 60 mph gust in Beaver County OK. Strong updrafts persist
    within this line, and the threat for damaging gusts is expected to
    continue for the next few hours as the line continues southeastward
    at around 45 mph.

    Strong outflow has pushed south into the central portions of the TX
    Panhandle, arcing back northwestward into far northeastern NM.
    Warm-air advection atop this outflow has fostered the development of
    new thunderstorms across far southeast CO. Some hail and damaging
    gusts are possible with this new development as well.

    ..Mosier.. 07/21/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5CEbu-wNG6ZaVgLdUPpAyZaI_c4LkMbVFdrAPOP9_WLYI_lGGGFX1rbGQZsFMGMrx5HQRazgj= qYLSmfhRzUDJGV9lhE$ for graphic product...

    ATTN...WFO...ICT...OUN...DDC...AMA...PUB...ABQ...

    LAT...LON 36810345 37560310 37349788 35669771 36040139 36810345=20


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