Subj : MESO: Mesoscale Discussion 1598
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Jul 13 2024 20:58:09

ACUS11 KWNS 132058
SWOMCD
SPC MCD 132057=20
WIZ000-MNZ000-132200-

Mesoscale Discussion 1598
NWS Storm Prediction Center Norman OK
0357 PM CDT Sat Jul 13 2024

Areas affected...portions of central Wisconsin

Concerning...Severe Thunderstorm Watch 523...

Valid 132057Z - 132200Z

The severe weather threat for Severe Thunderstorm Watch 523
continues.

SUMMARY...A narrow corridor of focused damaging winds (perhaps
severe) may accompany a small bowing segment over the next couple of
hours. Longevity of this bowing complex however is uncertain.

DISCUSSION...MRMS mosaic radar imagery depicts a small bowing
complex that has recently materialized over portions of far western
WI in the past hour. KARX regional radar shows a rear-inflow jet
present, with inbound velocities approaching 80 kts about 1 km AGL.
Assuming efficient downward momentum transport, the ongoing complex
may be producing damaging, perhaps severe gusts in abundance. The
complex is currently traversing a buoyancy gradient, with MLCAPE
exceeding 2000 J/kg amid 30+ kts of effective bulk shear. However,
the ARX VAD profile suggests that vertical wind shear (including
low-level shear) is not particularly strong, so questions remain
regarding how long the bow echo complex will last. Nonetheless,
there is some potential for a continued narrow swath of focused
damaging winds (perhaps severe, with gusts peaking in the 65-80 mph
range) over the next couple of hours.

...Squitieri.. 07/13/2024

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!-t6O76uSIhNaOfhxd8QbvasmjVamT0V8kr6EIMYI0Rn5SUYQgCyNMTMsACbxav1wVtTkhh4lU=
EMyS57nscpk8_yDryc$  for graphic product...

ATTN...WFO...GRB...ARX...MPX...

LAT...LON   44629194 44639114 44299028 43948991 43679016 43629065
            43799132 44009181 44309226 44409229 44629194=20


=3D =3D =3D
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