ACUS11 KWNS 300907
SWOMCD
SPC MCD 300907=20
ILZ000-IAZ000-MOZ000-301030-

Mesoscale Discussion 1739
NWS Storm Prediction Center Norman OK
0407 AM CDT Tue Jul 30 2024

Areas affected...southeast IA...far northeast MO...and far
west-central IL

Concerning...Severe Thunderstorm Watch 566...

Valid 300907Z - 301030Z

The severe weather threat for Severe Thunderstorm Watch 566
continues.

SUMMARY...A long-lived cluster moving into southeast Iowa and
adjacent portions of Missouri/Illinois may continue to produce
strong to localized severe gusts into mid-morning. A downstream
severe thunderstorm watch was recently coordinated with WFO DVN.

DISCUSSION...An organized cluster/short-line segment has
sporadically produced severe wind gusts to around 65 mph in the Des
Moines and Chariton areas over the past couple hours. While cloud
tops have warmed and the northern portion of the cluster has
diminished, its evolution along the MLCAPE gradient has likely aided
in maintaining its organized character. Time-series of DMX VWP data
indicate a sustained 50-55 kt rear-inflow jet on the backside of the
cluster. A general east-southeastward movement is anticipated over
the next few hours across southeast IA into far west-central IL and
far northeast MO.

..Grams.. 07/30/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9so8GIhAzk7EEdW0ZSSLxlWqVs41ym8itmfKPXpiit0M26wFTUo8rtHBo4rtxYCt5CVkSBAHW= kMvzkXIA4e_2qQhKwE$ for graphic product...

ATTN...WFO...ILX...LSX...DVN...DMX...EAX...

LAT...LON 41619271 41199106 40889056 40499041 40179060 40089102
40069159 40269207 40419263 40699321 40919328 41619271=20


=3D =3D =3D
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