• MESO: Mesoscale Discussion 0620

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, June 02, 2018 02:03:19
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    ACUS11 KWNS 020203
    SWOMCD
    SPC MCD 020202
    SDZ000-020300-

    Mesoscale Discussion 0620
    NWS Storm Prediction Center Norman OK
    0902 PM CDT Fri Jun 01 2018

    Areas affected...Portions of central/eastern SD

    Concerning...Severe Thunderstorm Watch 145...

    Valid 020202Z - 020300Z

    The severe weather threat for Severe Thunderstorm Watch 145
    continues.

    SUMMARY...While an isolated damaging wind threat persists across WW
    145, the overall severe threat should continue to diminish this
    evening. WW 145 should be able to expire at 03Z as scheduled.

    DISCUSSION...Convective inhibition is rapidly increasing across
    central/eastern SD this evening with the loss of daytime heating.
    Several stations across this region have observed strong to severe
    wind gusts over the past hour or two given the well-mixed boundary
    layer. While an isolated hail and damaging wind risk may persist
    across WW 145 and vicinity over the next hour or so, the overall
    severe threat should continue to decrease as instability lessens.
    Therefore, WW 145 should be able to expire at 03Z as originally
    scheduled, with no additional Severe Thunderstorm Watch issuance
    expected across central/eastern SD tonight.

    ..Gleason.. 06/02/2018

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

    ATTN...WFO...FSD...ABR...

    LAT...LON 44300031 45900000 45889866 44599786 42889763 42939837
    44209886 44300031



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