268  
WUCN11 CWTO 192226  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 6:26 P.M. EDT TUESDAY 19 MAY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
=NEW= INNISFIL - NEW TECUMSETH - ANGUS  
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY  
BARRIE - COLLINGWOOD - HILLSDALE.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
HANOVER - DUNDALK - SOUTHERN GREY COUNTY  
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 8:24 P.M. EDT.  
 
AT 6:25 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS.  
 
THUNDERSTORM LOCATION:  
CREEMORE  
HORNING'S MILLS  
 
MOTION: MOVING NORTHEAST AT 65 KM/H  
 
HAZARDS:  
WIND: STRONG (90 KM/H)  
 
LOCATIONS IN THE PATH:  
STAYNER  
WASAGA BEACH  
EVERETT  
ANGUS  
 
LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT  
SHELTERS OR TREES IS LIKELY.  
 
EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER  
IMMEDIATELY IF THREATENING WEATHER APPROACHES.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA.  
 
TO REPORT SEVERE WEATHER IN ONTARIO, SEND AN EMAIL TO  
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.  
 
FOR MORE INFORMATION:  
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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