892
ACUS11 KWNS 102335
SWOMCD
SPC MCD 102335
INZ000-ILZ000-110030-
MESOSCALE DISCUSSION 1077
NWS STORM PREDICTION CENTER NORMAN OK
0635 PM CDT WED JUN 10 2026
AREAS AFFECTED...PORTIONS OF NORTHERN ILLINOIS
CONCERNING...SEVERE POTENTIAL...WATCH NEEDED SOON
VALID 102335Z - 110030Z
PROBABILITY OF WATCH ISSUANCE...95 PERCENT
SUMMARY...STORMS APPROACHING FROM THE WEST WILL LIKELY CONTINUE WITH
A RISK FOR DAMAGING GUSTS AND A TORNADO OR TWO THIS EVENING. A NEW
WW IS LIKELY NEEDED SHORTLY.
DISCUSSION...IN THE WAKE OF EARLIER CONVECTION, RAPID AIR MASS
RECOVERY IS ONGOING AHEAD OF A CONVECTIVE LINE ACROSS THE IA/IL
BORDER. THIS LINE REMAINS STRONG WITH A RECENT MEASURED SEVERE GUST
TO 60 KT AT DVN. WHILE BUOYANCY WILL BE MORE LIMITED (1000-2000
J/KG), IT SHOULD REMAIN SUFFICIENT FOR A DAMAGING WIND RISK THIS
EVENING. A QLCS TORNADO OR TWO IS ALSO POSSIBLE GIVEN THE STRONG
LOW-LEVEL SHEAR OVER MUCH OF NORTHERN IL. A NEW WW WILL BE NEEDED
SHORTLY FOR THE EXPECTED SEVERE THREAT.
..LYONS/SMITH.. 06/10/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...IND...LOT...ILX...LSX...DVN...
LAT...LON 41488998 41958963 41918901 41828882 41688855 40958777
40578750 40108754 39648790 39618846 39558950 39599016
39589047 39869053 39979051 40419039 41069002 41488998
MOST PROBABLE PEAK TORNADO INTENSITY...85-110 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN
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