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  • MESO: Mesoscale Discussion 1635

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Jul 19 22:17:32 2023
    ACUS11 KWNS 192217
    SWOMCD
    SPC MCD 192217=20
    WIZ000-MNZ000-192345-

    Mesoscale Discussion 1635
    NWS Storm Prediction Center Norman OK
    0517 PM CDT Wed Jul 19 2023

    Areas affected...Northern into central Minnesota and northwest
    Wisconsin

    Concerning...Severe Thunderstorm Watch 518...520...

    Valid 192217Z - 192345Z

    The severe weather threat for Severe Thunderstorm Watch 518, 520
    continues.

    SUMMARY...Large hail will remain a threat for the remainder of the
    afternoon. Very large hail would be possible with the most organized supercells. Storm coverage is expected to increase in northwestern
    Wisconsin and parts of central Minnesota.

    DISCUSSION...Storm coverage and intensity has been greatest over
    northern Minnesota into the Duluth vicinity. Large-scale ascent with
    the trough has helped to sustain convection that has produced
    several large hail reports as well as a 2.5 inch report in Itasca
    county. Currently, the strongest storms are moving into northwest
    Wisconsin. MRMS MESH data suggest large hail is probable with these
    storms. Activity has been more isolated in parts of central
    Minnesota. This may be due in part to dry low levels and entrainment
    as well as veered surface winds and weak convergence. However, with
    mid-level ascent increasing in this area, intensification of this
    activity is possible as it tracks southeastward to near the Twin
    Cities. The eastward extent of the threat will probably remain
    limited to due to influences from cloud cover lasting into the
    afternoon. Stable billow clouds are still evident on visible
    satellite.

    ..Wendt.. 07/19/2023

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_gEcIFknEjBj1h155diiMceWhKmyYA8xYTySlcNT_MIGaBsRISg_A7jrXliZbj5oCtikxWgDv= 7esHYCJQ31qEWme6F4$ for graphic product...

    ATTN...WFO...DLH...ARX...MPX...FGF...

    LAT...LON 45079082 44479286 44349372 44379433 44549485 44779534
    44879542 45179564 45459547 45609534 45949471 46349393
    47039385 47399404 47879476 48419475 48629405 48569353
    48199272 46719097 46219039 45339064 45159079 45079082=20


    =3D =3D =3D
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