ACUS11 KWNS 112346
SWOMCD
SPC MCD 112345=20
WIZ000-ILZ000-IAZ000-120115-

Mesoscale Discussion 1257
NWS Storm Prediction Center Norman OK
0645 PM CDT Wed Jun 11 2025

Areas affected...portions of eastern Iowa into extreme southwest
Wisconsin

Concerning...Severe Thunderstorm Watch 408...

Valid 112345Z - 120115Z

The severe weather threat for Severe Thunderstorm Watch 408
continues.

SUMMARY...Severe gusts will remain likely over at least the next
couple of hours, though an instance of hail still cannot be ruled
out.

DISCUSSION...Storms have been growing upscale into a loosely
organized convective cluster/possible MCS, with a history of
continued severe gusts. These storms continue to progress eastward
along a baroclinic boundary amid weak buoyancy. It is unclear how
much longer robust severe-gust potential will persist with this
storm cluster. However, severe gusts remain possible in the
near-term given steep low-level lapse rates.

..Squitieri.. 06/11/2025

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9bC15EDneI6xYRK6TbRqET630dwM_C9JaK4RBKBoWrEP5t-jcM-dtUwEI_-IWOaG_1xuFat_L= tvuNZik_FlHjUk8p8I$ for graphic product...

ATTN...WFO...MKX...DVN...ARX...DMX...

LAT...LON 42469374 42969305 43299175 43239037 42929009 42549012
42319040 42269105 42259264 42289330 42469374=20

MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


=3D =3D =3D
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