241  
ACUS11 KWNS 091624  
SWOMCD  
SPC MCD 091624  
MIZ000-INZ000-091800-  
 
MESOSCALE DISCUSSION 1878  
NWS STORM PREDICTION CENTER NORMAN OK  
1124 AM CDT SUN AUG 09 2026  
 
AREAS AFFECTED...SOUTHWESTERN LOWER MICHIGAN INTO FAR NORTHERN  
INDIANA  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 091624Z - 091800Z  
 
PROBABILITY OF WATCH ISSUANCE...60 PERCENT  
 
SUMMARY...RISK FOR DAMAGING WINDS WILL INCREASE IN NORTHERN INDIANA  
AND SOUTHERN LOWER MICHIGAN AS A BOWING SEGMENT MOVES  
SOUTH-SOUTHEAST INTO THE AFTERNOON. A WATCH IS POSSIBLE FOR PORTIONS  
OF THESE AREAS.  
 
DISCUSSION...DEWPOINTS CONTINUE TO INCREASE AHEAD OF A SMALL BOWING  
CLUSTER CURRENTLY NEAR MILWAUKEE. BY THE TIME THIS CLUSTER CROSSES  
SOUTHERN LAKE MICHIGAN, TEMPERATURES IN SOUTHEASTERN LOWER  
MICHIGAN/FAR NORTHERN INDIANA WILL BE IN THE 80S F. SUFFICIENT SHEAR  
AND MODEST LIFT FROM A CONVECTIVELY ENHANCED PERTURBATION SHOULD  
ALLOW THIS ACTIVITY TO MOVE ALONG THE LIFTING THETA-E GRADIENT. SOME  
RISK FOR DAMAGING WINDS WILL LIKELY ACCOMPANY THIS BOWING SEGMENT  
INTO THE AFTERNOON. A WATCH IS POSSIBLE FOR PORTIONS OF LOWER  
MICHIGAN AND NORTHERN INDIANA.  
 
..WENDT/HART.. 08/09/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...IWX...GRR...LOT...  
 
LAT...LON 42278777 42948765 43318744 43008613 42678541 42138528  
41648549 41448619 41678702 42278777  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
 
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