ACUS11 KWNS 261638
SWOMCD
SPC MCD 261638=20
MIZ000-INZ000-261815-

Mesoscale Discussion 1724
NWS Storm Prediction Center Norman OK
1138 AM CDT Wed Jul 26 2023

Areas affected...Southwest Lower MI into extreme northern IN

Concerning...Severe Thunderstorm Watch 550...

Valid 261638Z - 261815Z

The severe weather threat for Severe Thunderstorm Watch 550
continues.

SUMMARY...The damaging-wind threat may still increase this
afternoon.

DISCUSSION...The earlier bowing segments that moved across Lake MI
into southwest lower MI have weakened as they moved into an
increasingly stable environment. However, storms have intensified
along the southwest flank of both of these clusters, and a modest
increase has recently been noted with convection along the gust
front across southwest lower MI.=20

While the strongest instability remains southwest of the ongoing
storms in this area, diurnal heating and moistening associated with
increasing southwesterly low-level flow (as noted on regional VWPs)
should allow for moderate destabilization with time this afternoon,
downstream of ongoing storms. Stronger deep-layer shear will also
overspread the region as storms move eastward, potentially resulting
in an increasingly organized damaging-wind threat across southern
Lower MI this afternoon.

..Dean.. 07/26/2023

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!4LVyR7Y4GbdHB7d5-brdx6FtE5dO002rJVzXwnLFqfx3A_fnLntfh4QCi0-kaDfTZe_c5QboQ= QH7yTPclh6QCmYkAJU$ for graphic product...

ATTN...WFO...IWX...GRR...

LAT...LON 41668547 41618666 41728686 42008673 42468594 42768592
43238598 43488588 43608533 43518468 42658457 42078464
41788493 41668547=20


=3D =3D =3D
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