• MESO: Mesoscale Discussion 0568

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tuesday, May 29, 2018 20:55:34
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    ACUS11 KWNS 292055
    SWOMCD
    SPC MCD 292054
    MNZ000-IAZ000-WIZ000-292230-

    Mesoscale Discussion 0568
    NWS Storm Prediction Center Norman OK
    0354 PM CDT Tue May 29 2018

    Areas affected...Central and Southern Minnesota...Central Iowa

    Concerning...Severe Thunderstorm Watch 130...

    Valid 292054Z - 292230Z

    The severe weather threat for Severe Thunderstorm Watch 130
    continues.

    SUMMARY...Severe threat continues across WW 0130, and local spatial
    extensions may be necessary with time.

    DISCUSSION...Numerous strong to occasionally severe storms persist
    across the watch area and are expected to continue for at least a
    couple more hours. Multiple reports of hail up to 1-1.5 inches and
    measured severe gusts have been observed across the watch area
    within the last 2 hours.

    Continued deep layer ascent associated with broad low-level
    confluence within a moderately unstable (i.e 1000-2000 J/kg MLCAPE)
    and uncapped airmass amidst modest (generally less than 20 kts)
    unidirectional bulk shear suggest that severe potential may continue
    across the region for the rest of the afternoon, particularly in
    areas where no convective overturning of the atmosphere has
    occurred.

    ..Squitieri/Cook.. 05/29/2018

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

    ATTN...WFO...DVN...DLH...ARX...MPX...DMX...FGF...FSD...OAX...

    LAT...LON 47529573 47549456 47239392 46499324 45759247 45159235
    44159229 43439233 42479234 41609233 41259248 40929282
    40799354 40729434 40819478 41099517 41339533 41719560
    42469566 43299580 43899580 44489591 45059606 45919590
    46399579 47219596 47529573



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