493  
ACUS11 KWNS 061907  
SWOMCD  
SPC MCD 061906  
OHZ000-INZ000-ILZ000-062100-  
 
MESOSCALE DISCUSSION 1003  
NWS STORM PREDICTION CENTER NORMAN OK  
0206 PM CDT SAT JUN 06 2026  
 
AREAS AFFECTED...PORTIONS OF EASTERN ILLINOIS...NORTHERN  
INDIANA...EASTERN OHIO  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 061906Z - 062100Z  
 
PROBABILITY OF WATCH ISSUANCE...60 PERCENT  
 
SUMMARY...A FEW STRONG TO SEVERE STORMS POSSIBLE THIS AFTERNOON WITH  
POTENTIAL FOR INSTANCES OF LARGE HAIL AND STRONG TO SEVERE WINDS.  
 
DISCUSSION...SCATTERED THUNDERSTORMS HAVE DEVELOPED ACROSS NORTHERN  
INDIANA/EASTERN ILLINOIS THIS AFTERNOON IN THE WAKE OF MORNING  
CONVECTION SOUTH OF THE COLD FRONT NEAR REMNANT OUTFLOW. WHILE  
STRONGER FLOW ALOFT IS SHIFTING EASTWARD, THE AIR MASS REMAINS  
FAVORABLY UNSTABLE, WITH MLCAPE AROUND 1000-2000 J/KG. IN ADDITION,  
SHEAR PROFILES ARE SUFFICIENT TO SUPPORT POTENTIAL FOR LOOSELY  
ORGANIZED MULTI-CELLS AND TRANSIENT SUPERCELL STRUCTURES CAPABLE OF  
SEVERE HAIL.  
 
..THORNTON/THOMPSON.. 06/06/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...ILN...IWX...IND...LOT...ILX...  
 
LAT...LON 40738813 41208796 41558745 41608617 41688521 41348447  
40508431 40078464 39778646 39958773 40088804 40738813  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
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