• MESO: Mesoscale Discussion 0709

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Monday, June 11, 2018 21:54:37
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    ACUS11 KWNS 112154
    SWOMCD
    SPC MCD 112153
    KYZ000-INZ000-ILZ000-MOZ000-120000-

    Mesoscale Discussion 0709
    NWS Storm Prediction Center Norman OK
    0453 PM CDT Mon Jun 11 2018

    Areas affected...Northeast and east-central
    Missouri...central/southern Illinois...far northwest Kentucky...far
    southwest Indiana

    Concerning...Severe potential...Watch unlikely

    Valid 112153Z - 120000Z

    Probability of Watch Issuance...5 percent

    SUMMARY...Isolated severe storms possible along a warm frontal
    boundary. No WW issuance is anticipated at this time.

    DISCUSSION...Isolated strong to potentially severe storms have
    initiated along a warm front from northeast of IRK to east of EVV.
    Modest low-level shear (0-3km SRH of up to 150 m2/s2) coinciding
    with 2500+ J/kg MLCAPE along the warm front suggest that the more
    intense updrafts may briefly acquire low-level rotation. As such,
    isolated marginal instances of severe gusty winds and large hail are
    possible and a very brief tornado cannot be out ruled.

    Given the very isolated and marginal extent of the severe threat, a
    WW issuance is not currently anticipated.

    ..Squitieri/Leitman.. 06/11/2018

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

    ATTN...WFO...LMK...IND...PAH...ILX...LSX...DVN...EAX...

    LAT...LON 40519339 40409229 40329147 40039014 39528866 38828756
    38178659 37548626 37228702 37298804 37778942 38199040
    38789152 39109211 39539287 40519339



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