Subj : MESO: Mesoscale Discussion 1745
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jul 28 2023 02:30:41

ACUS11 KWNS 280230
SWOMCD
SPC MCD 280230=20
MIZ000-WIZ000-280400-

Mesoscale Discussion 1745
NWS Storm Prediction Center Norman OK
0930 PM CDT Thu Jul 27 2023

Areas affected...Portions of northern/central WI and the U.P. of MI

Concerning...Severe Thunderstorm Watch 556...

Valid 280230Z - 280400Z

The severe weather threat for Severe Thunderstorm Watch 556
continues.

SUMMARY...Isolated severe threat should continue to slowly diminish
this evening.

DISCUSSION...Outflow from multiple thunderstorm clusters has pushed
well south of ongoing convection across northern/central WI.
Multiple recent observations across this area show sub-severe wind
gusts up to around 40 kt occurring. While the 00Z GRB sounding
showed around 2000 J/kg of MLCAPE present, modifying this sounding
for current surface observations suggests that MLCIN has
strengthened somewhat. Tendency should be for these clusters to
gradually become more elevated above the slowly stabilizing boundary
layer this evening. While isolated strong to damaging winds will
remain possible in the short term, the overall severe threat should
continue to wane towards 04Z/11 PM CDT, which is the scheduled
expiration of Severe Thunderstorm Watch 556.

...Gleason.. 07/28/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!4KovJee0w_5whD4k8OGbuxZPca5_vnYUPh13E5RMsRjahY8BkrHkZroGYdEHJU7mqaXXdwu0R=
ylXpywOYT46MSagk30$  for graphic product...

ATTN...WFO...MQT...GRB...ARX...

LAT...LON   44759085 44829001 45138973 45128784 45538757 45948751
            46098699 45858648 45308681 44288749 44258953 44449068
            44759085=20


=3D =3D =3D
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