ACUS11 KWNS 272148
SWOMCD
SPC MCD 272147=20
MIZ000-INZ000-ILZ000-WIZ000-IAZ000-272315-

Mesoscale Discussion 2017
NWS Storm Prediction Center Norman OK
0447 PM CDT Tue Aug 27 2024

Areas affected...Northern IL and vicinity

Concerning...Severe potential...Watch possible=20

Valid 272147Z - 272315Z

Probability of Watch Issuance...60 percent

SUMMARY...Strong to severe storms are possible into early evening.

DISCUSSION...Storm development appears to be underway near the IL/WI
border, with a very unstable (MLCAPE of 3000-4000 J/kg) environment.
Deep-layer shear is somewhat favorable for organized convection
given the favorable buoyancy, and at least isolated storms capable
of hail and damaging gusts may develop into early evening. Storm
coverage across the region is uncertain, but there will be some
potential for modest upscale growth if several storms can develop
within this regime, which would result in an increasing
damaging-wind threat. Watch issuance is possible in order to address
these hazards.

..Dean/Gleason.. 08/27/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_JnF1Vmvt2TIplRxD3ql1du_cT_Yef3bb_EWX7OxNwSGYgvBCls9MihMbplUiIz2M1RqIsssz= 7OHVGx1qOIs9-S7VJk$ for graphic product...

ATTN...WFO...IWX...LOT...ILX...MKX...DVN...

LAT...LON 41049145 42308962 42718896 42818852 42908807 42698765
42058671 41108659 40728938 40629083 40699160 41049145=20


=3D =3D =3D
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