ACUS11 KWNS 290110
SWOMCD
SPC MCD 290109=20
ILZ000-IAZ000-290215-

Mesoscale Discussion 1763
NWS Storm Prediction Center Norman OK
0809 PM CDT Fri Jul 28 2023

Areas affected...Eastern Iowa into far northwest Illinois

Concerning...Severe Thunderstorm Watch 560...562...

Valid 290109Z - 290215Z

The severe weather threat for Severe Thunderstorm Watch 560, 562
continues.

SUMMARY...Developing significant (80+ mph) wind threat.

DISCUSSION...A cluster of supercells across north-central Iowa has
congealed into a bowing segment near Cedar Rapids. A 81 knot wind
gust was measured in Marshalltown, Iowa, on the western edge of this
cluster. However, a more organized bowing segment on the eastern
periphery of this cluster will likely pose the greatest significant
wind threat for the next few hours. A 85-90 knot rear inflow jet is
being sampled by the KDVN VWP at around 5500-6000 feet west of Cedar
Rapids.=20

Expect surface wind gusts of 80+ mph across eastern Iowa over the
next 1 to 2 hours as this linear segment accelerates eastward.

..Bentley.. 07/29/2023

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5C27FRdlkIbT01iC2to2ng1zLg3J6oDykr7HsXc65qAhVcVhaVti0WJ14WW4iAy1J5UupNL87= sh_W2O6FGn2k3Tbrjk$ for graphic product...

ATTN...WFO...DVN...DMX...

LAT...LON 42389195 42269091 41809007 41279028 41579160 42059234
42389195=20


=3D =3D =3D
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