923  
WUCN11 CWTO 182259  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
ISSUED BY ENVIRONMENT CANADA  
AT 6:59 P.M. EDT MONDAY 18 MAY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
=NEW= BURK'S FALLS - BAYFIELD INLET.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 8:57 P.M. EDT.  
 
AT 6:58 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WIND  
GUSTS AND UP TO QUARTER SIZE HAIL.  
 
LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT  
SHELTERS OR TREES IS LIKELY. TAKE IMMEDIATE COVER IF A THUNDERSTORM  
APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND  
HAIL. SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR  
OCCURRING THUNDERSTORMS ARE EXPECTED TO PRODUCE DAMAGING HAIL, WIND  
OR RAIN.  
 
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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