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  • MESO: Mesoscale Discussion 0564

    From COD Weather Processor@1:2320/107 to wx-storm@lists.illinois.edu on Mon Apr 27 10:59:40 2026
    ACUS11 KWNS 271059
    SWOMCD
    SPC MCD 271059=20
    MOZ000-271230-

    Mesoscale Discussion 0564
    NWS Storm Prediction Center Norman OK
    0559 AM CDT Mon Apr 27 2026

    Areas affected...Northwest Missouri

    Concerning...Severe Thunderstorm Watch 156...

    Valid 271059Z - 271230Z

    The severe weather threat for Severe Thunderstorm Watch 156
    continues.

    SUMMARY...A more north-south segment of the line will pose a
    continued wind/hail threat, as well as isolated tornado threat, into
    areas immediately south and southeast of Kansas City.

    DISCUSSION...A second line segment immediately south of Kansas City
    is intersecting the trailing outflow from the first segment (now in
    north central MO). As 65-70 F surface temperatures, dewpoints in
    the mid-upper 60s and at least weak surface-based CAPE along the
    warm front approaches these storms from the south, the potential for
    storms rooted at the ground will likewise increase. The KEAX VWP
    shows very strong low-level shear and streamwise vorticity inflow
    into this portion of the line, this will be the preferred corridor
    for mesovortex formation and a local increase in tornado potential
    the next couple of hours. Otherwise, the potential for 65-75 mph
    gusts and 1-1.75 inch hail will continue.=20

    If the tornado threat continues to increase later this morning, a
    new tornado watch may become necessary near I-70.

    ..Thompson.. 04/27/2026

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_RrLfWoX5JQN3LuBi_Rsf7RLGqfWIRwPOhAZ-yl9vqxuMVLpAmPv7xNT6u_gfFZlrJYt-gtpn= jCTwuxJbl2vZLEQQB4$ for graphic product...

    ATTN...WFO...LSX...SGF...EAX...

    LAT...LON 38619266 38579326 38549403 38689456 39009435 39159370
    39149312 38979255 38619266=20

    MOST PROBABLE PEAK TORNADO INTENSITY...85-110 MPH
    MOST PROBABLE PEAK WIND GUST...65-80 MPH
    MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN


    =3D =3D =3D
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