996
ACUS11 KWNS 220443
SWOMCD
SPC MCD 220443
ILZ000-220615-
MESOSCALE DISCUSSION 2080
NWS STORM PREDICTION CENTER NORMAN OK
1143 PM CDT FRI AUG 21 2026
AREAS AFFECTED...PARTS OF CENTRAL IL
CONCERNING...SEVERE THUNDERSTORM WATCH 610...
VALID 220443Z - 220615Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 610
CONTINUES.
SUMMARY...A LOCALIZED SEVERE THREAT MAY CONTINUE INTO THE EARLY
OVERNIGHT HOURS.
DISCUSSION...A PERSISTENT STORM CLUSTER IS MOVING
SOUTH-SOUTHEASTWARD ACROSS CENTRAL IL LATE THIS EVENING. WHILE THIS
CLUSTER HAS STRUGGLED TO MAINTAIN SEVERE INTENSITY, MLCAPE OF
NEAR/ABOVE 2000 J/KG AND RELATIVELY ENLARGED LOW-LEVEL HODOGRAPHS
(WITH EFFECTIVE SRH OF 150-200 M2/S2) MAY CONTINUE TO SUPPORT MODEST
STORM ORGANIZATION AND TRANSIENT ROTATION INTO THE EARLY OVERNIGHT
HOURS. THIS COULD SUPPORT POTENTIAL FOR LOCALIZED WIND DAMAGE FOR AS
LONG AS THIS CLUSTER REMAINS VIGOROUS, THOUGH A GRADUAL WEAKENING
TREND IS EVENTUALLY EXPECTED WITH TIME.
..DEAN.. 08/22/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...LOT...ILX...
LAT...LON 40099044 40368942 40608855 40488828 40128805 39738858
39568993 39819034 40099044
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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