523  
WWCN11 CWTO 240220  
SEVERE THUNDERSTORM WATCH  
FOR SOUTHERN ONTARIO  
ENDED BY ENVIRONMENT CANADA  
AT 10:20 P.M. EDT SATURDAY 23 AUGUST 2025.  
---------------------------------------------------------------------  
SEVERE THUNDERSTORM WATCH ENDED FOR:  
SARNIA - LAMBTON.  
 
---------------------------------------------------------------------  
==DISCUSSION==  
 
CONDITIONS ARE NO LONGER FAVOURABLE FOR THE DEVELOPMENT OF SEVERE  
THUNDERSTORMS.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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