• MESO: Mesoscale Discussion 0784

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Monday, May 16, 2022 16:49:10
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    ACUS11 KWNS 161649
    SWOMCD
    SPC MCD 161648=20
    MAZ000-NHZ000-CTZ000-VTZ000-NYZ000-161815-

    Mesoscale Discussion 0784
    NWS Storm Prediction Center Norman OK
    1148 AM CDT Mon May 16 2022

    Areas affected...Eastern NY...Much of VT...Southern
    NH...Western/Central MA...CT

    Concerning...Severe Thunderstorm Watch 227...

    Valid 161648Z - 161815Z

    The severe weather threat for Severe Thunderstorm Watch 227
    continues.

    SUMMARY...Thunderstorms capable of hail and damaging wind gusts
    remain possible across the region this afternoon.

    DISCUSSION...Temperatures have warmed into the mid 70s to lower 80s
    across the region, resulting in air mass destabilization. Recent
    mesoanalysis indicates little to no convective inhibition remains
    over the region. The cold front is currently well west of the
    region, but increasing large-scale forcing for ascent within the
    broad warm-air advection regime has been enough to initiate
    thunderstorms. Enough buoyancy and shear are in place to support
    supercells capable of damaging wind gusts and isolated hail, with
    hail most likely during initial/early updraft development.

    ..Mosier/Grams.. 05/16/2022

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!4jYG2dCZV82_AnrUgBuHYBLnijOTqPp4ag4i5Jy3DfCXjX0vlEEenjgEEThLrI2oxC0GlRY_1= rxwlnZfC-kVJTGLg1A$ for graphic product...

    ATTN...WFO...GYX...BOX...BTV...OKX...ALY...BGM...

    LAT...LON 42787485 44037465 44487360 44277259 43787202 42927180
    41747194 41167318 41407425 42787485=20



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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, May 13, 2023 06:03:06
    ACUS11 KWNS 130603
    SWOMCD
    SPC MCD 130602=20
    TXZ000-130700-

    Mesoscale Discussion 0784
    NWS Storm Prediction Center Norman OK
    0102 AM CDT Sat May 13 2023

    Areas affected...Portions of south-central to coastal TX

    Concerning...Severe Thunderstorm Watch 220...

    Valid 130602Z - 130700Z

    The severe weather threat for Severe Thunderstorm Watch 220
    continues.

    SUMMARY...An isolated threat for mainly strong to damaging winds
    should continue in the short term. Additional watch issuance is not anticipated.

    DISCUSSION...A loosely organized band of thunderstorms will continue
    to move across and east of the San Antonio metro area early this
    morning. While a moderately unstable airmass is present downstream
    of this ongoing activity, low/mid-level winds remain fairly weak per
    recent VWP estimates from KEWX. Some evidence of a rear-inflow jet
    is evident from recent radar velocity data, and strong/gusty winds
    around 50-60 mph may still occur on a localized basis. But, the
    potential for a more substantial severe wind threat to the east of
    Severe Thunderstorm Watch 220 appears limited at this time, and
    additional watch issuance is not expected this morning.

    ..Gleason/Hart.. 05/13/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5SEH0jy3M9duZh-0CEGBHTsg_isRmqyLhvtOJVp6sESVI7Qq0p0wlAJ-wFXY2ekYNWoJevru1= 1UsnMBrX0C8lEVTW2s$ for graphic product...

    ATTN...WFO...HGX...CRP...EWX...

    LAT...LON 28479829 28589869 29299882 30029864 30329816 30309660
    29669652 29199665 28589779 28479829=20


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