971
ACUS11 KWNS 110500
SWOMCD
SPC MCD 110500
INZ000-ILZ000-110630-
MESOSCALE DISCUSSION 1081
NWS STORM PREDICTION CENTER NORMAN OK
1200 AM CDT THU JUN 11 2026
AREAS AFFECTED...PORTIONS OF CENTRAL AND EAST-CENTRAL ILLINOIS INTO
WESTERN INDIANA.
CONCERNING...SEVERE THUNDERSTORM WATCH 309...
VALID 110500Z - 110630Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 309
CONTINUES.
SUMMARY...ISOLATED DAMAGING WIND GUSTS WILL PERSIST FOR A FEW MORE
HOURS.
DISCUSSION...A LINE OF STORMS CONTINUES EAST ACROSS CENTRAL
ILLINOIS. THIS LINE OF STORMS HAS A HISTORY OF WIND DAMAGE AND SHOWS
STRONG OUTBOUND WINDS FROM KILX. EXPECT THIS LINE OF STORMS TO
PERSIST EASTWARD INTO A MODERATELY UNSTABLE AIRMASS (2000 TO 2500
J/KG MUCAPE PER SPC MESOANALYSIS) WITH A STRENGTHENING LOW-LEVEL JET
FEEDING THIS ACTIVITY FROM THE SOUTHWEST. THIS LINE OF STORMS WILL
LIKELY POSE A CONTINUED DAMAGING WIND THREAT FOR A FEW MORE HOURS
BEFORE EVENTUALLY WEAKENING. SEVERE THUNDERSTORM WATCH 309 HAS BEEN
EXPANDED EASTWARD/SOUTHEASTWARD TO COVER THIS CONTINUED THREAT.
..BENTLEY.. 06/11/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...IND...LOT...ILX...LSX...
LAT...LON 39589021 39919034 40048981 40288921 40618883 40678829
40538764 40118698 39698697 39038722 38948776 39088857
39308941 39589021
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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